INDEX TO VOLUME XLV. - JULY TO DECEMBER, 1931.
A dam an d W estw ood— Precious M etals in T ran sv aa l
P latin u m Ores—D i g e s t ... 53
Aerial R opew ays fo r D um ping Mine Refuse (G. B r il lo ) .... 280
A frican Geological M a p ... 324
African an d E u ro p e an In v estm en t Co ... 160
Air, T esting Mine— P a t e n t ... 191
Akylas, V. J .— M agnesite D eposits of M ytileni ... 18
A lderm ac M i n e ... 33
Allen, R. F.— An Arc W elded Pipeline for H ydraulic Mining 322, 329 A llen, W .— R ock-B urst Effects in S outh Africa— D igest . 250 A lum inium Alloys— P a te n t ... 256
A lu m in u m , Secondary (Anderson)— R e v ie w ... 347
A m algam ated Zinc (De B av a y ’s) A m algam ation a t Porcupine (Vary)—D igest^ Am erican M etal Co. A misk Gold Syndicate A m ulet Mines, L t d .. A nderson— Secondary A lu m in u m — F A ndrew s D e-Slim er ... A nglo A m erican C o rp o ratio n . A nglo-Eastern T in A nglo-O riental M ining C orporation A nkerite M in e ... 7T7T7... 293
A ntim ony.— an d Arsenic, T he E stim atio n of (J. E . Clennell), 151, 211 ; O xide— P a t e n t ... 319
A ppollonia Gold F ie ld s... 327
Arm strong, F. W ., on Models of Mines and O re-B odies 323 A rsenic.—an d A ntim ony, T he E stim atio n of (J. E. Clennell), 151, 211 ; R ecovery from Gases— P a te n t ... 381
A sbestos.— Mines Closing in S. Rhodesia, 28 ; U ses 126 A sh an ti G o ld fie ld s 7, 71, 159 A shley Gold M ining C o... 294
A sphalt in Cuba ... 126
Association of Scientific an d Technical I n s titu tio n s ... 345
A urum , L td ... 320
A ustralian.— Gold B o u n ty , 66, 220 ; Gold M ining, A ssistance for, 350 ; Gold O u tp u t, 34, 220 ; Labour an d H olidays, 67 ; Oil Prospects ... 158, 351 A yer H ita m T in ... 263
B.C. N ickel Mines, L td ... B ain, H . F o ster, Resigns fro m A m erican In s titu te , B a lla rat Goldfield ... B an g rin T in ... B anka T in Mines, G overnm ent ... B arrier S o u th ... . . . 355
. . . 298
. . . 35
. . . 63
...
200. . . 136
B arry-H ollinger ... 33, 100, 165, 229, 293, 357 B auxite.— in Brazil, 380 ; in V ic to r ia ... 255
Bawdwin Mine, Ore R eserve C alculations a t th e (A. B. Colquhoun) ... 23
B eatrice Mine, Selibin (E. S. W illboum ) ... 338
Belgian Fog D e a t h s ... 261
B endigo G o ld fie ld 35, 98 B enguela R ailw ay 2, 70 B eringer— Sim ple Determinative M ineralogy— Review . . 194, 286 B eryl M ining C o... 161
B eryl in th e O berpfalz ... 62
B eryllium .—D iscovery in th e T ransvaal, 102 ; M etallurgy— P a te n t, 319 ; in O n ta r io ... 101
Bickford C e n te n a r y ... 5, 322., Bidgood ... 100, 165, 293, 356 B irm ingham U n iv ersity , New O re-D ressing L ab o rato ry (W. W . V arvill) ... 341
Bisichi Tin ... 192
P A G E B ism uth in T asm ania ... 35
B lackw ater Mines ... 192
B orax E x tra ctio n — P a t e n t ... 191
B ore-H ole.—D eflecting a Slanting— P a te n t, 319 ; P revention of D eviation of— P a te n t, 62 ; P um ps, N otes on Use of, for Mine D rainage, L. C. S tuckey on, 259 a n d D ig e s t 187 Botsford, R . S.—C onditions in Mexico ... 145
B oulder P erseverance ... 71
B radley— Q uicksilver R ecovery a t C learlake—D i g e s t ... 61
B ralco D evelopm ent an d In v estm en t Co... 225
B ralorne Mines, L td ... 30, 99, 225, 297 Bridge R iver Consolidated Mines, L td 30, 99, 162, 225, 355 Bridge R iv e r E x p lo ratio n , L td ... 298
Brillo, G.— D um ping Mine Refuse ... 280
B ritan n ia M i n e ... 297
British-A m erican T in C orporation ... 8
B ritish A ssociation C e n te n a r y 131, 195 B ritish A u stralian Syndicate ... 97
B ritish B urm ah P e tr o le u m ... 328
B ritish Columbia.— M ineral Zones in N o rth ern (K err)— D igest, 183 ; M ining in 1930, 29, 66 ; P lac er Gold i n 260 B ritish Engineering S tan d ard s A ssociation... 323
B ritish M etal C orporation ... 208
B ritish N on-Ferrous M etals R esearch A ssociation... 3
B ritish S o u th Africa Co... 7, 71 B ritish S tan d a rd s I n s tit u tio n ... 323
B roken H ill.—B last-Furnace P ractice a t, O. H . W oodw ard on, 259 an d D igest, 47, 255, 308 ; M illin g ... 255
B roken H ill P ro p rietary Block 14 Co... 71, 98 B roken H ill P ro p rietary Co... 71, 159, 199, 291 Broken Hill S o u t h 97, 292 Bulolo Gold-Dredging, L td ... 351
B urm a C orporation ... 382
Bw ana M’Kubwa Copper M ining Co... 327
Caddick, A. J . — G eneration of Power from P y r i t e s ... 276
Cadm ium . Copper Separation, 190 ; M etallurgy— P a te n t 319 C alcination P la n t Im provem ents— P a t e n t ... 256
California, Geology of G rass V alley ... 62
Cam and M otor Gold M ining Co... 263
Camp B ird 8, 383 Campbell, C. M.— G ranby-T ype Mine C ars... 92
Campbell, S.— H all-In tersta te , L ost Pilgrim Mines—D ig est. 115 Canada, M in in g Law s o f ... 62
C anadian Copper Refiners, L td ... 101, 208 Canoona Goldfield ... 350
C an u sa... 32, 100, 164, 229, 293, 356 Cardox B lastin g... 38
Caving M ethods in Mining ... 255
C entral A u stralian Gold E x p lo ratio n Co... 221
Ceramic T ests in Shale C o r r e la tio n ... 61
Chemical.— In d u stry , Ju b ilee of S o ciety of, 69 ; P la n t E x h ib itio n ... 69, 104 Chemistry, A Comprehensive Treatise on Inorganic and Theoretical, Vol. X I (M ellor)... 62
C hem or R iv e r T in Co... 222
C hlorination of Sulphide Ores— P a te n t ... 62
Chosen C o r p o r a tio n ... 72, 264 Chrome Ore, T estin g of (W einberg)—D i g e s t ... 118
C hrom ite.— in M ontana, 255 ; P ro d u ctio n a n d Resources of th e W orld, 62 ; in S ierra Leone (J. D. P o llett), 349 and (W. H. W ils o n ) ... 201, 349 Chromium-N ickel D eterm in atio n ... 190
C hute G ates U nderground ... 319 C ity D eep ... 289, 326
u jt.
T H E M IN IN G MAGAZINE
73
348 128 127 380 9 253 23 63 Clarke an d Moore— T re a tm e n t of W iluna C o n cen trates—
D igest ... 248
Clennell, J . E .—T he E stim atio n of A n tim o n y an d A rsenic 151, 211 Cleveland D istrict and Ohio, Geology o f... 381
Climax D rill S h a r p e n e r ... 362
C loncurry C opper ... 220, 291 Clunes ... 64
Clones Gold fields (1931) 128 ' Coal.— In d u s try of Q ueensland, 97 ; Low -T em perature D istillation of, 381 ; Mine V entilation, 319 ; M ining in B ritish Colum bia, 355 ; O xidizibility of, an d C om position, 190 ; P re p aratio n , 255 ; T h e R u h u h u Fields, T an g an y ik a T e rrito ry (G. M. S tockley an d F . O ates) ... Coal D istilla tio n ... 320
Coal M in in g Students, Electricity fo r (Stevenson an d Miller)— R e v ie w ... C oal-M ining Wages ... Coalfield, The W asatch Plateau, U t a h ... C obalt D eterm in atio n ... Coley Process (B. W . H olm an) ... Colloids ... Colquhoun, A. B.— Ore R eserve C alculations a t th e Baw dw in M i n e ... C ompagnie A r a m a y o ... Complex Ores R ecovery Co... 255
Compressed Air, 255 ; M o to rs... 61
C oncentration.—a t th e H ow ey Gold Mine (Goodwin)— D igest, 315 ; a n d M etal Prices, 319 ; a t M orenci (Crow foot)—D igest, 318 ; a n d R ecovery, F orm ulae fo r R atio of (E. A. K napp) ... 15
Concentration, T h e Scientific Fundam entals o f Gravity (Finkey)— R eview ... 218
C oncrete A n a ly s is ... 380
Coniagas M in e s ... 165
C o n ia u m m ... 100, 164, 229, 293, 356 C onsolidated African Selection T r u s t... 327
C onsolidated D iam ond Mines of S.W . A frica ... 6
C onsolidated Gold F i e l d s ... 27, 134, 160, 326 C onsolidated Main R eef Mines an d E s ta te ... 134
C onsolidated M ining an d S m elting Co. 29, 31, 98(2), 99, 162, 163, 294, 297, 298, 354, 357 C onsolidated P latin u m s ... 264, 320 C onsolidated T in Mines of B u r m a ... 263
C onsolidated T in S m elters ... 72
Cooper, W . G. C.— T he D u ty of a Mine M an ag em en t... 26
Copper. C adm ium S eparation, 190; C oncentrating P ractice a t U tah (M artin)— D igest, 379 ; Econom ic Position of, 1 9 7 ; E lectro ly tic, 1 2 6 ; E lectro ly tic— P a te n t, 3 8 1 ; F lo ta tio n of N ativ e, 126 ; F ren ch Congo, 126 ; M etallurgy—T., P a te n t, 256 ; Milling in A rizona (F o rrester an d Cram er)— D igest, 1 8 9 ; -N ickel M etallurgy— P a te n t, 191 ; Ore, Leaching O xidized, 126 ; P ro d u ctio n Costs in U.S.A., 255 ; Refinery, N ovel F eatu res of a New (W . M. Goodwin), 208 ; Refining— P a te n t, 319 ; Refining in C anada, 190 ; T r e a t m e n t of S ulphate Ores— P a t e n t ... 62
Cornwall, Mine D evelopm ent in ... 36
Costs of Copper P roduction in U.S.A ... 255
C otton — M in in g Electrical Engineering— R e v ie w ... 348
C ram er an d F o rrester—C opper Milling in A rizona— D ig e s t.. 189
Cross— S u lta n a Gold Mine, O ntario— D igest ... 51
Crowfoot—C oncentration a t Morenci—D ig e s t... 318
C rozier Process in A ustralia ... 351
C yanidation.— Efficiency of W orking Solutions, 61 ; Low- G rade Ore *... 190
C yanide. Gold B ullion Sam pling (Thom as)—D igest, 124 ; R ecovery— P a te n t... 191
C yprus A sbestos Co... 72
C yprus and G eneral A sbestos Co... 72
D aggafontein M in e s ... De B eers... D iam ond C orporation ... D iam onds.— B razilian, 190 ; African O u tp u t ... 28, 70, 198, 262, i F ine, for D rill B its, 167 ; S outh 6, 70 263 134 D ice—T h e T re a tm e n t of D rilling Mud— D igest ... 375
D ickson— M ining a t th e V erde C entral C opper Mine— D ig est 189 Dickson a n d S m ith—F lo ta tio n a t V erde C entral— D ig est. . 318
D iesel-Electric T ra ctio n 196, 322 D iskon G ear, T h e ... 233
D olan—-Testing T h ree-P h a se W inders—D ig est ... 177
D om e Mines ... 32, 100, 134, 164, 228, 292, 356 D om inion E xplorers, L td . *... 294
D redge fo r D eep W o rk ... 380
D rilling.— C arriages fo r M achine, 126 ; M ud, th e T re a tm e n t of (Dice)—D igest, 375 ; R ec o rd s... 130, 194, 258 D rilling, Deep W ell ... 256
D rive C u r v e s ... 380
D u rb an R o o d ep o o rt D eep ... 6
E a s t A frican P o l i c y ... 258
E a st G eduld M ines ... 134, 198, 263 E a s t Pool an d A g a r ... 35
E dge an d L ab y — The Principles and Practice o f Geophysiczl Prospecting— R e v ie w ... 2, 156 E d ie Creek Goldfield ... 351
E l Oro M ining an d R ailw ay Co. . ... 200
Electric F uses ... 191
Electrical Engineering, M in in g (Cotton)— R eview ... 348
Electricity fo r Coal M in in g Students (S tevenson and Miller)— R e v i e w ... 348
E le c tric ity C om m issioners’ R e p o r t... 322
E lectro ly tic C opper C o rp o ratio n ... 320
E lu tria tio n Im p ro v em en ts— P a te n t ... 191
E m erald s in th e T r a n s v a a l ... 161
E nglish P etro leu m s ... 128
Erzmikroskopie, Lehrbuch der (Schneiderhôhn an d R am dohr)— R e v i e w ... 95
E sp eran za C opper a n d S u l p h u r ... 64
Estonian Oil Shale C h e m is tr y ... 382
E x -L an d s N igeria ... 128
E x c av atin g a n d H a n d lin g ... 61
E x c av a to rs in M a l a y a ... 222
E xplosives F irm ’s C e n t e n a r y ... 5
F alcon M ines ... 7
F alconbridge ... 31, 164, 294, 357 F a ra d a y C e n t e n a r y ... 131, 194, 255 F arn h am — Determination o f Opaque M inerals— Review ___ 157 Felixburg Goldfield (Ferguson)— D i g e s t... 314
Felsp ar M ining an d Milling ... 126
Ferguson— F elix b u rg Goldfield— D i g e s t ... 314
F erreira E s t a t e ... 262
F erro A lloy Co. of S outh A frica (P ty .), L t d ... 289
Fersm ann— Geochemische M igration der Elemente— R eview . . 218
Filani (N ig e ria )... 382
F ines, Process for th e Flocculation of— P a te n t... 381
F inkey — T he Scientific F undam entals o f G ravity Con centration— Review ... 218
F iredam p Explosions and their Prevention (P ay m an an d S ta th a m )— R e v ie w ... 348
F lin F lon, 101, 166 ; S crap er M ucking a t (R oche)—D ig e s t.. 58
F lo ta tio n .—w ith A rsenic C om pound in P ulp— P a te n t, 126 ; B ulk, of G old (G rant)— D igest, 61 ; of G rap h ite— P a te n t, 319 ; Lead-Zinc, a t M idvale (P allanch)— D igest, 254 ; of N ativ e C opper, 126 ; T e sts, G raphical A nalysis of, 380 ; a t V erde C entral ( D ickson a n d S m ith)— D ig est ... 318
F o rrester and C ram er— C opper Milling in A rizona—D ig est . . 189
Fort W illia m M a p -A rea ... 320
François C em entation Co... 200 258 F reem an, C. C.— Mill R etu rn V alues—D i g e s t ' 119 F reem an, H .— F lash R o astin g of S ulphide Ores—D ig est ! ! ! ! 55 Freise—T he M igration of Gold— D i g e s t ... 50
F ren ch Creek D evelopm ent C o... 226
F ro n tin o G o l d ’ gg^ F u rn aces, C ontrol of O p en -H earth ... Gas, U se of N atu ral, in Zinc P ro d u ctio n D ig est ... 380
G ases fro m S m e lter C him neys... 281 G eduld P ro p rie ta ry Mines ...
G e e v o r 35, 64
G em M ining ... gg^
P A G E
Geochemische M igration der Elemente (Fersm ann)— Review . . 218
Geological.— Congress, In te rn atio n a l, 6 6,258 ; Map of C entral A frica, 3 2 4 ; S urvey of G reat B ritain , R ep o rt for 1930 . . 66
Geological Structures, Patterns fo r Eight S im p le R e lie f Models Illustrating (Smithson)— R eview ... 96
Geology, Elements of Engineering (Ries an d W atson)— R eview 27 Geology, Field (Lahee)— Review ... 26
Geophysical Prospecting, The Principles and Practice of, Edge a n d L aby— Review ... 2, 156 Geophysics.— Electrical Prospecting, 190, 3 1 9 ; Electrical R esistiv ity and Ind u ctio n M easurem ents in (P otter)— D igest, 255 ; b y th e Geological Survey of G reat B ritain , 66, 258 ; M odern M ethods of P rospecting, 380 ; R e p o rt of Im perial Geophysical E xp erim en tal Survey, 2 ; W a tts V ariom eter i n ... 106
Georgia R iv er Gold Mines, L td ... 355
Gilm an, M ining a n d Milling a t ... 380
G lobe an d P h o e n ix ... 135
G lynn’s Lydenburg, L td ... 262
G old.— A ntim onial, E x tractio n — P a te n t, 62 ; B o u n ty Suggested fo r R hodesia, 102.; B ulk F lo ta tio n of (G rant)— D igest, 61 ; Bullion, Sam pling C yanide (Thomas)— D igest, 124 ; Canadian O u tp u t in 1930, 66 ; Discoveries in Rhodesia, 102 ; Finds in Q ueensland an d Central A u stralia, 158, 1 5 9 ; Genesis in th e R and B anket, 380 ; M etallurgy in C anada (Parsons)—D igest, 113 ; M igration of (Freise)— D igest, 5 6 ; Mine, T he S u ltan a, (Cross)—D igest, 51 ; M ining in Russia, 255 ; in N o rth ern B.C., 319 ; Ore- D ressing Problem s—Digest, 369 ; P lacer in B.C ., 260, 295 ; in Quebec, 255 ; S ta n d a r d ... 68
G old Fields Rhodesian D evelopm ent....Co... 263
Gold Mines of A ustralia, L td ... 97, 136, 291 Golden H orse Shoe (N e w )... 327
Goodsprings Quadrangle, Geology o f... 382
G oodwin, W . M.— H ow ey Gold Mine Milling P ractice— D igest, 315 ; N ovel F e atu res of a New Copper R efinery 208 G oonvean and R ostow rack China C lay ... 192
G overnm ent A reas ....■.■... 262, 326 G ranada Gold Mines, L td 101, 165, 230, 294, 357 G ran ad a R ouyn ... 33, 101 G ran b y Consolidated Mining, Sm elting, and Power Co. 29, 98, 163 G ranby-T ype Mine Cars (C. M. C a m p b e ll)... 92
G ran t— B ulk F lo ta tio n of Gold—D igest ... 61
G rantham , D . R.— L u p a R iv er G o ld fie ld ... 265
G raton, L. C., on R an d Gold O r ig in ... 67
G reat B ear Lake M inerals ... 319
G reat B oulder P r o p r ie t a r y ... 63
G ro o tfo n tein ... 198
G rootvlei P ro p rietary Mines 134, 160, 262 G ypsum in M a n ito b a ... 255
H . E . P ro p rietary (New) ... 326
H all-In te rstate, L ost Pilgrim Mines (Campbell)—D igest . . . . 115
H ardinge Mill, L argest ... . 359
H arris— Kalgoorlie Mining P ractice—D igest ... 252
H arrison, F. A.—A ncient M ining A ctivities in Portugal . . . . 137
H ecla M ining Co... 355
H edley Gold M ining Co... 162, 227 H enderson’s T ran sv aal E s ta te s ... 6
H isto ry of Science an d Technology, In te rn atio n a l Congress of 2 H o llin g e r ... 32, 99, 164, 228, 292, 356 H olm an, B. W .—T re atm e n t of Oxidized Zinc T a ilin g s ... 9
H olm an Bros.—D rill S harpener, 362 ; D rilling R ecord, 194 ; R ock-D rills F irst in S outh Africa, 299 ; Scraper H a u la g e s.. 40
H om estake Mining Co... 319
H owe Sound Co... 98, 163 H ow ey Gold Mine, 101, 165, 230, 357 ; Milling P ractice a t (Goodwin)— D igest ... 315
H u d so n B ay M ining an d Sm elting Co... 101, 294 H u ronian M ining an d F inance Co... 136
H y d rau lic Mining, A rc W elded Pipeline for (R. F. A llen). . . 322, 329 H ydraulicking on O tte r C r e e k ... 380
Im perial Sm elting Co... 328
In d ian Copper C orporation ... 126,199 In s titu te of M etals A nnual M eeting ... 2
In stitu tio n , F o rm atio n of Local A ssociation of th e, in S outhern R h o d e s ia ... 194, 224 In stitu tio n of Mining E ngineers A nnual M e e tin g 22, 66 In te rn a tio n a l Congress of Mines, M etallurgy, a n d G e o lo g y .. 322
In te rn a tio n a l N ickel Co... 31, 164, 228, 293 In te rn atio n a l R adium and Resources, L td ... 294
In te rn a tio n a l Tin C o m m itte e ... 72
Ip o h T in ... 128
Iron.— C arbonyl— P a te n t, 319 ; Ore C hlorination Process— P a te n t ... 319
Iron and Steel, Chemical A n a lysis o f ... 381
Iro n and Steel, S tainless... 319
Jam es, Mr. Alfred.—D eath of, 130 ; an d Gold M etallurgy . . 70
J a n ta r N igeria Co... 327
Joh an n esb u rg C onsolidated In v estm en t Co... 134, 262 Ju g a V alley T in A reas ... 71
K ad u n a Prospectors ... 63
K ad u n a S y n d ic a te ... 63
K algoorlie M ining P ractice (H arris)—D ig e s t... 252
K am p a r M alaya T in D redging ... 264
K am ra Tin ... 383
K aolin M inerals, The ... 127
Katanga, Carte Géologique du ... 256
K atanga, Geology of th e (Robert)—D igest ... 241
K eeley Silver M in e s ... 136
K en t (F.M.S.) T in ... 128
K epong T i n ... 383
K err—Mineral Zones in N o rth ern B ritish C olum bia—D ig e s t.. 183
K illinghall T in, L td ... 380
King— R and M etallurgy—D igest ... 373
K in ta Kellas T in D redging ... 264
K irkland Lake ... 3 2 ,3 3 ,1 0 0 ,2 2 9 ,2 9 3 ,3 5 6 K napp, E . A .— R atio of C oncentration an d R ecovery F o r m u la e ... 15
K ram at P u la i... 128
K ru p p ’s Shaking S c r e e n ... 234
L ab y and E dge— The Principles and Practice o f Geophysical Prospecting— R e v i e w 2, 156 Lace P ro p rietary Mines, L td ... 160
L a h at Mines ... 63
Lahee— F ield Geology— R eview ... 26
Lake Shore ... 32, 100, 165, 229, 293, 356 L ake View and S t a r ... 382
Lakeland Gold Mines, L td ... 33
Lawrence— Use of Ore Scrapers—D i g e s t... 246
Lead.— B last-Furnace O peration, O. H . W oodw ard on, 259 and D igest, 47, 255, 30S ; M etallurgy— P a te n t, 319 ; Refining, 126 ; -Zinc F lo ta tio n a t M idvale (Pallanch)— D igest ... 254
Libiola Copper ... 64
Loangwa Concessions ... 70
Lobnitz D redge ... 37
London N igerian Pow er Co... 135
Lom e Gold Mines, L t d ... 30, 225 Los Angeles County, Geology o f ... 382
Low G rade Ore Commission 70, 352 Luff, B G.. on Mica in B ihar, In d ia, 323 and D ig est... 243
L uipaards V l e i 288, 326 L uiri Gold A reas ... 7, 102, 135 L upa R iv er Goldfield (D. R. G rantham ) ... 265
L ydenburg E s ta te s ... 6
L ydenburg P latin u m A reas ... 382
M cIntyre P o rc u p in e ... 32, 10 0 ,1 6 4 , 228, 293 M acassa ... 33, 229, 293 M ackenzie, D eath of G. C... 166
Macmillan R ep o rt on B anking ... 68
M agnesite D eposits of M ytileni (V. J . A k y las)... 18
Magnesium.—M etallurgy— P ate n ts, 191(3), 381 ; -R ich Alloys, P revention of Corrosion— P a te n t ... 256
M alaya, The Geology o f (Scrivenor)— R ev iew ... 346
M alayan.— G overnm ent an d T in M ining, 353 ; M ining during 1930... 66
T H E M INING MAGAZINE
P A G E
M alayan T in D redging ... 328
M alaysiam T in ... 71
M am re Gold M ining Co... 351
M anganese C o rp o ra tio n ... 161, 353 M anganese D ete rm in atio n ... 380
M anitoba ; Its Resources and Development ... 192
M arch M in e ... 100
M arievale Nigel Gold M in e s ... 70, 160, 326 M artin— U tah C opper C on ce n tratin g P ractice—D ig est 379 M awchi M in e s ... 8
M ayfair Gold M ining Co... 135
M echanical L o a d in g ... 126
Mellor, E . T ., on R an d Gold Origin ... 67
M ercury D e te rm in a tio n ... 380
M etallics ... 2
M etallographic A brasives ... 255
M etallurgy.— A m erican, 126 ; and Chemical Engineering, 69 ; an d F arad ay , 194, 255 ; Gas G en erato rs in, 255 ; New D efinition in, 2 ; R esearch, 3 ; R esearches a t W estern A u stralia School of M in e s ... 192
M etals, Secondary, in th e U n ite d S tates ... 132
M etropolitan-V ickers W inding E ngines . ... 169
Mexican C o rp o ratio n ... 383
Mexico, C onditions in (R. S. B otsford) ... 145
M eyer a n d C h a r l to n ... 326
Mica in B ihar, In d ia , B. G. Luff o n , 323 an d D i g e s t ... 243
Microscopic D etermination o f the Ore M inerals (Short)— R e v ie w ... 347
Mill R etu rn V alues (Freem an)— D igest ... 119
Miller an d S tevenson— Electricity fo r Coal M in in g Students— R e v ie w ... 348
Mine.— Cars, G ranby-T ype (C. M. Campbell), 9 2 ; D rainage, N otes on Use of Bore-H ole P um ps for, L. C. S tuckey on, 259 an d D igest, 187 ; M anagem ent, T he D u ty of a (W. G. C. Cooper), 26 ; Models, 190, and F . W . A rm stro n g on, 323 ; Refuse, D u m ping (G. Brillo), 280 ; T im b er P reserv atio n (Vaughan an d P rettie)— D igest ... ‘. . . 312
M in e Dusts, Inflam m ability o f (G odbert) ... 62
M ineral Oils E x tractio n , L t d ... 351
M ineral P a ra g e n e s is ... 380
Mineralogy (H atch), 6th E d ... 62
M ineralogy, Sim ple Determinative (Beringer)— Review . . 194, 286 M inerals, Age R elatio n s o f ... 255
M inerals, Determination o f the Opaque (F am h am )— R eview . . 157
M inerals S eparation, L td ... 135
Mines d ’Or d u Canada, Cie. F rançaise d e s ... 162
M in e s Handbook, The, Vol. 1 8 ... 66
Mining.—M ethods and Costs, 190 ; O p en -P it (Thom e)— D igest, 6 0 ; P ractice a t K algoorlie (H arris)—D i g e s t . . . . 252
M ining C orporation of Canada ... 29, 32, 294 M in in g Electrical Engineering (Cotton)— R e v ie w ... 348
M ining T r u s t ... 328
M odderfontein E a s t ... 192
Models of Mines an d Ore-Efodies, F . W . A rm strong o n ... 323
M offat-H all ... 1 0 0 ,1 6 5 ,2 2 9 ,3 5 7 M oore, B. H ., an d W . G. C larke—T re a tm e n t of W iluna C oncentrates—D igest ... 248
M oore, M.—T he S lack-Line R opew ay—D ig est... 121
M orenci, C oncentration a t (Crowfoot)—D i g e s t ... 318
M ount Coolon ... 97, 136, 291 M ount E llio tt Co... 220, 350 M ount I s a ... 7, 33, 9 6 ,1 5 7 , 219, 290, 349 M ount M organ ... 34
M ount O xide 220, 350 M ount S to rm o n t, L td ... 35
M ucking Costs ... 380
M urdoch C opper Process ... 291
M urex, L td ... 200
M ysore Gold Mining C o... 7 1 ,2 0 0 ,3 2 7 M ytileni, M agnesite D eposits of (V. J . A kylas)... 18
N am aq u a Copper C o... 7
N arag u ta D urum i A r e a s ... 263
N arag u ta ( K o r o t) ... 382
N arag u ta (N ig e ria )... 382
N ew C onsolidated Gold Fields ... 199, 288, 326 New Guinea Gold P ro sp ects ... 159, 351 N ew M odderfontein G old M ining Co... 198
N ew S ta te A reas ... 262
N ew S tey n E s ta te ... 28
New Zealand Gold R e v iv al ... 199
N ew foundland, Geology of B u c h a n s ... 61
N ichols C opper C o... 208
N ickel.--- C hrom ium D ete rm in atio n , 190 ; -Copper M etallurgy — P a te n t, 191 ; E x tra c tio n — P a te n t ... 62
N igerian E lectric ity S u p p ly C orp... 71
N igerian Mines D e p a rtm e n t R e p o r t ... 322
N itra te , P ro d u ctio n an d U ses of C h il e a n ... 255
N ’K an a Mine Views ... 154
N o ran d a ... 33, 1 0 1 ,1 6 5 , 208, 229, 294, 357 N o rth B roken H i l l ... '... 97, 292 N o rth ern P la tin u m E x p lo ra tio n ... 198
N ourse Mines ... 192
N u n d y d ro o g Mines 8, 71 O ates, F ., and S tockley, G. M.— T h e R u h u h u Coalfields, T a n g an y ik a T e rrito ry ... 73
Oil.— in A u stralia, 158 ; fro m Coal, 194 ; C o n su m p tio n of L ubricating, 191 ; E ngines fo r R a ilw a y s ... 196
Oil in A u stra lia ... 320
O ntario Refining C o... 228
O nverw acht P la t i n u m ... 134
O range F ree S tate P rospecting ... 27
O ranjeville G oldfields... 289
Ore.— D eposits an d F olded R ocks, 61 ; -D ressing L a b o rato ry a t B irm ingham (W. W . V arv ill), 341 ; -G enesis a n d P etrology, 195 ; -L eaching (Sullivan a n d O strea)— D igest, 125 ; R eserve C alculations a t th e B aw dw in M ine (A. B. C olquhoun) ... 23
Ore M inerals, Microscopic D eterm ination o f the (S hort)— R e v i e w ... 347
O strea an d S ullivan— O re-Leaching— D i g e s t ... 125
O ta v i M ines ... 128
Oxidized Ores, L eaching Process for— P a t e n t ... 126
P A G E
264,
72, P ah an g C onsolidated ...
P allanch— L ead-Zinc F lo ta tio n a t M idvale— D igest P alm er R iv e r Gold C o...
P an am a C o r p o r a tio n ...
P ari T i n ...
Parsons—Gold M etallurgy in C anada— D ig est ...
P ay m an and S ta th a m — Firedam p E xplosions and their Prevention— R eview ...
P eñ a C o p p er...
P erak R iver H y d ro -E lec tric Co...
P e ta r—Thallium —D i g e s t ...
Petroleum Engineering H a n d b o o k ...
Petroleum Reserve, U .S. N a va l N o. 3, Geologic C o n d itio n s...
Petroleum in the United States and Possessions...
P etro lo g y an d O re -G e n e s is ...
P h o sp h ate.—in M orocco, 190 ; R ock Process— P a t e n t ...
P ioneer G old Mines (B.C.) L t d 30, 99,
Pipeline fo r H y d rau lic M ining, A rc W elded (R . F . Alien) 322, P it Props, Tests in T im b er...
Placer Gold M ining in B ritish C olum bia ...
P latin u m .—E x tra c tio n — P a te n t, 62 ; Ores, P recio u s M etals in T ra n sv aa l (A dam an d W estw ood)— D ig e s t...
P oderosa ...
P ollett, J . D., C hrom ite in S ierra Leone ...
Pongola V alley Gold ...
Port A rth u r M a p -A rea ...
P o rtu g al, A ncient M ining A ctiv ities in (F. A. H a r r is o n ) ...
P o tg ie te rsru st P l a t i n u m s ... 103, 134, P o tte r—E lectrical R esistiv ity a n d In d u ctio n M easurem ents
— D igest ...
Pow er G eneration from P y rite s (A. J . C a d d ic k ) ...
P rem ier D iam ond C o ...
P rem ier Gold M ining C o... 30, 162, 297, P rem ier (Transvaal) D iam ond M ining C o...
Pretoria D istrict, Geology o f N o r th -E a s te rn ...
P re ttie an d V aughan— Mine T im b er P reserv atio n — D igest . . Prospecting fo r Gold (Idriess)— R e v ie w ...
383 254 221 136 383 113 34S 128 328 253 320 382 381 195 381 162 329 256 226
53 64 349 28 320 137 198 255 276 70 355 6 320 312 287
P A G E
P ublic W orks, R oads, and T ra n sp o rt E x h i b iti o n ... 359
P ulsom eter P u m p s ... 39
P y rite R o astin g ... 61
P y rite s, G eneration of Power from (A. J . C a d d ic k ) ... 276
P y ritic O re Sm elting— P a te n ts ... 126, 191 Q u ic k silv e r ... 62
Q uicksilver R ecovery a t Clearlake (Bradley)— D i g e s t 61 R . G. M. S yndicate ... 64
R ad iu m .— 319 ; in C an a d a... 354
R am d o h r an d Schneiderhdhn— Lehrbuch der Erzmikroskopie— R e v ie w ... 95
R a n d .— B an k e t, Genesis of Gold in, 380 ; D ividends, 6 ; F a r E a st, D evelopm ents, 160 ; Gold Origin, 67 ; M etallurgy (K ing)—D igest, 373 ; O u tp u t R ec o rd ... 262
R an d M ines ... 160, 288 R an d Selection C orporation ... 262
R an d fo n tein E s ta te s ... 6, 28, 70, 288 R ap u n g a C om pany ... 64
R au b A u stralian Gold M ining Co... 136, 222 R efracto ries (Thom pson)— D i g e s t... 305
R eno Gold Mines ... 30, 98, 162, 226 R enong T in D redging Co... 200
R hodesia.— C apital of N o rth ern , 130 i Closing Asbestos Mines in S o u th ern , 28 ; Felixburg Goldfield in S outhern (Ferguson)—D igest, 314 ; F o rm atio n of Local Association of th e I.M.M. in S o u th ern , 194, 224 ; Gold Discoveries in, 102, 223, 289 ; Gold Y ield of N o rth ern , 2 8 9 ; G overn m e n t L a b o rato ry , 289 ; R ailw ay D evelopm ent in, 2, 194 ; Suggested Gold B o u n ty fo r ... 120
R hodesia B roken H ill ... 128
Rhodesia : Geology o f Country around Sham va ... 320
R h o d esia-K atan g a Co... 70
R hodesia M inerals Concession, L td ... 102
R hodesian Anglo A m erican ... 7, 71 R hodesian C o rp o ratio n ... 135
R hodesian Selection T ru s t ... 135
R h o k an a C orporation 7, 135, 154, 199, 327 R h o ran d B an k e t M ining A reas ... 28
R ibon V alley (Nigeria) T in f ie ld s ... 199
R ies and W atso n — Elem ents o f Engineering Geology— Review 27 R ietk u il M ine R e-O pened... 160
R io T in to ... 72
R oan A ntelope C opper Mines ... 7, 71, 135, 263, 326 R o astin g F u rn ace Im provem ents— P a te n t ... 126
R o b ert— Geology of th e K atan g a— D igest ... 241
R obertson—T im bering S h afts in Loose G round—D igest . . . . 317
R obinson D e e p ... 250
R oche— S craper M ucking a t Flin F lon—D igest ... 58
R o ck -B u rst Effects in S o u th A frica (Allen)—D igest ... 250
R om a O il C o... 35, 158 R oof S u p p o rt ... 255
R ooiberg M inerals D evelopm ent Co... 262
R opew ay, T he Slack-Line (Moore)— D igest ... 121
R oss V ib ratin g S c r e e n ... 169
Rouyn-Harricanaw Region Geology ... 320
R o y al M int R e p o rt ... 322
R u k u b a T in Mines ... 199
R u sten b u rg P latin u m Mines ... 384
R uston-B ucyrus N o. 4 E x c a v a to r ... 105
R uston Diesel Locomotives ... 361
Safety in Mines, In te rn atio n a l C o n feren c e... 66
S alm an-Essuaw ah (Gold Coast) A lluvial Gold A r e a s ... 128
S a lt Lakes o f Northern R ift Zone, Tanganyika Territory 127 S alt in S outh-W est A frica ... 126
S am pling Polished Sections ... 61
San F in x T in Mines 64, 264 San Francisco Mines of Mexico ... 264
S a n ta G e rtru d is 8, 384 S chneiderhbhn and R am d o h r— Lehrbuch der Erzmikroskopie — R e v i e w ... 95
Scraper.— M ucking a t Flin Flon (Roche)—Digest, 5 8 ; Use of Ore (Lawrence)— D igest ... 246
Scrivenor— The Geology o f M alaya— R e v ie w ... 346
Selukwe Gold M ining and F inance Co... 30
Shafts Tim bering in Loose G round (R obertson)—D igest ___ 317 Shale Oil D evelopm ent Com m ittee, L td ... 291, 351 S h erritt-G o rd o n ... 101, 228 Sherw ood S ta rr Gold M ining Co... 198
S h o rt— Microscopic Determination o f the Ore M inerals— R eview 347 Siam ese T in ... 63
Siam ese V e n tu r e ... 384
S ierra Leone, C hrom ite in (W. H . W ilson) ... 201
Silica, Process fo r O btaining P ure— P a te n t ... 381
Silver.— Conference of China A ssociation, 130, 1 9 4 ; S tabilization, 68, 258, 322 ; -Tin, D eposits of O ru ro 190 S ip u t T i n ... 72
Siscoe Gold Mine ... 33, 101, 165, 230, 294, 357 Slaaihoek Mines, L td ... 351
Sm ith and Dickson— F lo ta tio n a t V erde C entral—D igest . . . 318
Sm ithson— Patterns fo r E ight Sim p le R e lie f M odels I llu s trating Geological Structures— R e v ie w ... 96
S odium S u lp h ate in C a n a d a ... 380
S ons of Gwalia ... 159
S outh Africa, A Bibliography o f G eology... 320
S o u th African Iro n and Steel Ind u strial C o rp o ra tio n ... 161
S o u th A m erican C opper ... 384
S o u th C rofty ... 35, 200 S outh Kalgurli Consolidated ... 8
S outh-W est A frica Co... 382
Southern M alayan T in D re d g in g ... 328
So u th ern P e rak D r e d g in g ... 328
S outhern R hodesia Base M etals C orporation ... 7, 135 S ou th ern T ronoh ... 8
Spanish Mine, C a lif o r n ia ... 319
S p r in g s ... 160
S ta n n ite Ore, Tasm anian (Stillwell)—D ig e s t... 123
S ta th a m and P aym an— Firedamp Explosions and their Prevention— R e v ie w ... 348
Stevenson an d Miller— Electricity fo r Coal M in in g Students— R e v ie w ... 348
Stillwell—T asm anian S ta n n ite Ore—D igest ... 123
Stockley, G. M., an d O ate s, F .—The R uhuhu Coalfields, T anganyika T e rrito ry ... 73
S tru b en , D eath of Frederick ... 130
S tuckey, L. C., on Use of B ore-H ole P um ps fo r Mine D rainage, 259 an d D igest ... 187
S ub Nigel ... 160, 198 Sullivan D rill C a rria g e s ... 167
Sullivan and O strea— Ore-Leaching—D ig est ... 125
Sulphide Ores.— Flash R oasting (Freem an)—D igest, 55 ; R o astin g of— P a te n ts ... 126, 127 Sulphur.— R ecovery from Gases— P ate n ts (2), 381 ; from SO2— P a t e n t ... 127
S u lta n a Gold Mine, O ntario (Cross)—D ig e s t... 51
Sungei Besi Mines ... 8
S y lv a n ite ... 33, 165, 229, 293, 357 T alerng T i n ... 63
T anganyika Concessions... 70
Tanganyika T errito ry . — L upa R iv er Goldfield (D. R. G rantham ), 265 ; T he R u h u h u Coalfields (G. M. Stockley an d F. O ates)... 73
T aq u ah and A bosso ... 7, 199 Tarcoola, Geology o f the Region N orth and N orth-W est o f 127 T asm anian S tan n ite Ore (Stillwell)—D igest ... 123
Tasm anite Shale Oil Co., L td ... 351
T a v o y Tin D redging ... 200
T e c k -H u g h e s 33, 100, 165, 229, 293, 356 Teja M alaya Tin D r e d g in g ... 72
T e k k a ... 383
T e m e n g o r T in ... 264
Tem oh Tin D r e d g in g ... 264
T etiuhe M ining C o rp o ra tio n ... 136
Thallium (P etar)—D ig est... 253
Thom as, C. O. A.— Sam pling Cyanide-Gold B ullion—D igest 124 Thom as, D eath of W illia m ... 166
Thom pson— R efractories—D i g e s t ... 305
T H E M INING M A G A ZIN E *1
P A G E
T h o m e— O pen-P it Mining— D i g e s t ... 60
Thunder Cape M a p -A rea ... 320
Tigon M ining an d F in an c e . . . ... 72, 200 T in.—C ontrol, 72, 133,264, 292 ; C ontrol in M alaya, 159, 160, 221, 354 ; F lo ta tio n — P a te n t, 255 ; M etallurgy— P a te n t, 127 ; Q uota fo r S o u th A frica, 102 ; -Silver D eposits of O ruro, 190 ; Slim e, Gold and Silver R ecovery from ... 380
T in Fields of N igeria, L td ... 199
T in P ro p erties ... 128
T o k a te a T ru s t ... 64
T o rb a n ite in S o u th A frica ... 255
T o ro n to (Rhodesia) S y n d ic a te ... 199
Tow agm ac E x p lo ra tio n Co... 32
T ran sv aal E m erald s ... 161
T ran sv aal E x p lo rin g L an d a n d M inerals... 262
T ra n sv aa l Gold M ining E s t a t e s ... 63, 198 Treadw ell Y u k o n ... 164
T repca Mines ... 136, 264, 328 T rin id ad Leaseholds ... 328
T ro n o h Mines ... 8
Tro p ical H ygiene Courses ... 2
T u n g sten M etallurgy— P a te n t... 256
T unnel C onstruction ... 190
T unnelling R e c o r d s ... 130, 194, 258 U.S. B ureau of Mines R e p o r t ... 325
U lu K lang T in ... 136
U nion C orporation 70, 160, 262 U nion M in iè re ... 70
U ta h C opper C on cen tratin g P ractice (M artin)—D ig e s t 379 Vaal R and Gold Mining D ev elo p m e n t... 64
Valedon, New Mexico, M ining P ractice a t (Y outz)—D igest . . 189
Van R y n D e e p ... 262
Van R y n Gold Mines E s ta te ... 382
V anadinite in th e T ra n sv aa l ... 161
V anadium M etallurgy— P a te n t ... 256
V arvill, W . W .—A New O re-D ressing L a b o rato ry a t B irm ingham ... 341
V ary—A m algam ation a t Porcupine—D igest ... 190
V aughan and P re ttie — Mine T im b er P reserv atio n — D igest . . 312
V entilation ... 01
V erde C entral.— F lo ta tio n (Dickson a n d Sm ith)— Digest, 3 1 8 ; M ining C opper a t th e (Dickson)—D ig e st... 189
V ib o rita Gold Mines ... 329
V ictoria Prospecting Co... 27
V ip o n d ... 32, 100, 229, 293, 356 V lakfontein ... 70
W aelz Process (B. W . H o lm a n ) ... 9
W aihi Gold M ining Co... 71
W aihi G rand J u n c tio n ... 63
W aite-M ontgom ery, 1 6 5 ; Geology of th e O re-D ep o sit 255 W ankie C olliery... 326
W aterb erg Gold F i n d s ... 223
W ate rv al (R u ste n b jrg ) P latin u m M ining Co 103, 134 W atson, H . A., an d Co. (Liverpool an d L o n d o n ) ... 320
W atson and Ries— Elements o f Engineering Geology— R ev iew . 27 W a tts V ario m eter ... 106
W einberg—T e stin g of Chrom e Ore— D igest ... 118
W eirdale Lead ... 384
W elded Pipeline fo r H y d rau lic M ining (R. F . A lle n ) 322, 329 W est R an d C onsolidated 6, 28 W estern A reas, L td ... 288
W estern R and E sta te s, L td ... 288
W esterw ald, O re-D eposits ... 126
W estw ood an d A dam — Precious M etals in T ran sv aal P latin u m Ores— D i g e s t... 53
W heal K itty T i n ... 8, 36 W illbourn, E . S.— B ea trice Mine, S elib in ... 338
W ilson, W . H .—C hrom ite in S ierra L e o n e 201, 349 W iluna, 8, 34, 71, 135, 159, 199, 263, 327 ; C o n cen trates, T re a tm e n t of (Clarke an d M oore)— D igest ... 248
W inders, T esting T h re e-P h ase (Dolan)—D igest ... 177
W itb an k Colliery ... 262
W o lh u ter Gold Mines ... 70
W oodw ard, O. H ., on Lead B last-F u rn a ce O p eratio n , 259 an d D igest ... 308
W rig h t-H arg reav es 33, 100, 165, 229, 293, 356 Y arde K erri G roup T in M ines... 263
Y outz— Mining P ractice a t V aledon, New Mexico— D igest . . 189
Zam besia E x p lo ratio n Co , y. ■... 70
P A G E Zinc.— in B ritish Colum bia, 126 ; -Lead F lo ta tio n a t M idvale (Pallanch)— D igest, 254 ; M etallurgy— P a te n ts , 62, 126, 191(2), 381 ; P ro d u ctio n of Oxide an d C arbonate— P a te n t, 62 ; P ro d u ctio n , Use of N a tu ra l Gas in — D igest, 380 ; Sulphide R ecovery— P a te n t, 62 ; T ailings, T re a tm e n t of Oxidized (B. W . H olm an), 9 ; W h ite P ig m en t— P a t e n t . . 256
Zinc C orporation ... 7, 71, 97, 136, 292 Zirconium E x tractio n — P a te n t ... 127
