2. Le n d z ion K. - Eokambr i kambr. zachodnie-go obrzeZenia platformy prekambryjskiej Europy w8chodndej. Ibidem. .
3. M i In e r F. G. - Pietrografija osadooznych po-rod. Izd. ,,Niedra", t. 1, Moskwa, 1968. . 4. 0 r ~ 0 w ski S. - Kambr obnizenia podlaskieg-.:>.
Acta, geoL, pol. 1973, nr 23/2. . . 5. P 01 a n ski A. - . Geochemia. Wyd. GeoL,
War-szawa, 1970. . , ..
6. R Y k a W. - 0 budowie i stratygrafii ~stalini ku p6lnocno-wschodniej Polskli. Kwart. geot. 19~,
nr 1.
SUMMARY
The tpaper discusses ore mineralizatian of the Cambrdan and Precambrian rodks of the soUJth' part of the PodIlasie sync line (N PdIa.nd) on the· basis of the material o1Jtalned in ;borclloles Polald, Zembry, Bdala PodlaSlka 2 and Terespol 1. Ore. mineralization
was noted only 'in boreho1es Edala Pddlaska2 and Po'lski. The ,lll8It'casite mineralization was found dn
lborehole Edala Podlaslk:a 2, in a c. 40 a;n. sequel1lCe of sands:bQnes of Itb.e Middle C8mbrian, in whdah &Z:l abundant (20-300/0) maroasi'te miWtru:,
mast
probably diagenetic was prE'S-eM (PI. I, Figs. 1-2). In borehole Polalsli ore mllneralization 'W8Is foUllld at three basic leveis o.f Cam'lmian sand9tanes. Themn;t
level (the ProtolenUlS horizon) is metanized with a~en'flite, na-tive sllver, pyrite, lidmeni.te, limonite and getyte. The ~ntration of argeDlllite.1i.n . the form of veiJns (pI. 1,ngs.
3-4;
PI. 2, F:Ig. 1) OOIliIlected 'Wfith mdgratinn· of silver sulphalte· and 1i1s rprecipitation in the mediUm of acidic reaction in ,the presence of ferrite bitter. The second level (the Holmda hortizon) conltains pyrite,marcasite (pL 2, Fig6. 2-(3) and - from non-metallic
mineralWitian - siderite and ;bi1;l.l'mines. This metalli-zation owes :i:fls final form to the 'Pl'ocess-es of meta-morphic differeotJlWioo which created the front of minera1izatiOlll strongly .transforming the rock. The third level (the BuIb-Holmia hortizon) is eharacter.ized by the OCCURence of pytite concretions {pI. 2, Fig. 4), mast pro'bflIbly of hYJPE!I"genic origin.
7. R y k a W. - Budowa i sklad petrografii krys-taliniku w rejonie Bialowieiy - Bialegostoku. Biul. Inst. Geol., nr 207, 1967.
8. S m i r now S. S. - strefa utlenienia zl6i
siarcz-kowyoh. Wyd. GeoL, Warszawa, 1956.
9. Win 0 g r ado w W. - Chimijaziemdei. Izd. AN
ZSRR, Moskwa, 1963.
10. Wo I y n ski S. I. - Mikroskopowe oznaczanie mineral6w kruszcowych. Wyd. GeoL, Warszawa,
1958.
11. Z nos k 0 J. - Sinian i kambr p6lnocno-wschod-niej Polski. Kwart. geoL, 19611, nr 3.
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