Upper Devonian deposits at Górno in the Holy Cross Mts

.: .... ;':

aCla':"

geologlca polonica

Vot 31. No. 3-4 . :; ...

KRlZYBZTOF MALKOWSKJ

Upper Devonian deposits at . G6rno In the Holy Cross M ts

..

^,'

'1·' . -.. .. '. ; .. ~ ~:, ...

AlBS'IlRA.OT: The lith010gy af the Upper lDevionian>oarobona'te deposits of the·

-e:nvlTons off Gor.no, alo.ni· wiih .thed.r oonc.doni Stratigra,phy ga.ve a ibaSis ror reco- gniti'On af the Sedimen'ta'i!ion and pa:leogeography ·of the lI'egtcm

wJ.1ftun .

\the Upper'.

Dev.onian ibasiJll of the Holy OrQSS Mts. The tecto.ni<: gaPs reoognized between 1he' Givetian and FrasnJi.an. as well as !between the Devonian and Cal1borllil£erous depo- sits, led ,t.o the .corredti,OiIl.s in the r~to.nalJ. tectonics.. Three S'pedi.es .()f oonodoms, viz. Polygnathus ancyrognathotde1LS Zieg1er, Schmidtognatnu.s aff. pietzneri Ziegler and Spath,ognathodu.s sannemanrrr;i treptv.s lZiegler, s·o far unknown Ifrom the De-

vQ.IlJian 'Of the lHoIJ.y Oross Mts. halVe 'been described.

:.:, ",.,

iNrnoDuCTION

.'.. ', .. :

...

^{~ ,}

. .;": ^' ... ~.: ..

.. . ' .

~ne!a!l

stra!ti.:gxaphicframework, based on the COI1J9Clonts, . was . pr-e-

.

sent~ Jor the Upper Devonlian d€lposits of the Holy croSs ^,Mts by g.Z'Ui~

czewsJ9.:(19711).The si coipe Olf the pre£'ent ' contrllbu1li.oJ:?.

is

to , ^{apply . 'the}

~noqon't

straltigraphy to a more

detailletd

recognition of !the

p.rach~n~·, t~~lill.e.

·.of yar.nlo, lhaviingacomplex tectonic sb-uCi1nlre' an

ith~

centx-aLpart

~ .t}},~,Holy Gross.iM'ts. I(se~ r r~-1i;g. 1;

and IMallkowski

19U); ,Mosl; : ~SO

far ,avaia.ab)re~ dataon Ithe strat~phy a~fac1;€S deV1el~t , Of~ Itll:e

:P,~N1OIl4aIl

deposiltsin

~

larea . come

from~IOOlalIwOTks .oov'~ring ^-e2d;ep.-. si~'e ;~I:~ ~pf

-tp.eWy

Cr()Ss~ts

(Sienuradzki 1887;

_Cza;rn~

19,;3,8, .

1~;,

WolSka 19!67;

Szurlcz~~i 19171), ,wh~

rthe CarlbomferouS de,po-

sH~:':W)eTe ip.f\Iles~i:g~t:ed

!by: Zakowa

(196i2), ' ,'" , ' " ,

Ac-knawledgeme1l;ts. Warm thanks are due

toPr~s.s:or ·

M.·

SZUlC2:e-ir~ki

for hi'$ guidance and help durdn.g the author's W!Ork fol' ,the M. Sc. :iegree (MalkowsiJd 1971r~oniJpIetEidu'nder ^his '~up~r!Visio:ri.

Tha'nks

aTe alaa'

due

^to PrO!fessor A <Rad- wanski Ifor his greart hel'P wtth' the edditDrlalpart of tihe~ : ' ~

K. MALKOWSKI

~, 1]]]]2

Fig. 1. GeoLogical slkekh rnaJp

.w

^{:the 'central .}part <Jf the Holy Cross Mts,

to

shcrw situati-an of the ilW~·igated area at GOrno (ajte.T SzuJ.czew.i§ki 1971, Fiig, 1: ;for .the detai!led map see TeX't4ig. 4)

1 Cambrian, Ordovician and· Sllurian, 2 Lower and Middle Devonian, S Frasnian (fr) and Famenni&n (fa), 4 Lower Carboniferous (Culm facies), S post-Variscan cover (Zecbstein and Mesozoic)

DESc.RrrIPIrroN OF 'CONODONTS

Ai oout li2Q oonodont saaIllPles hav, e

boon

taken from the profil€S at

interv~

<if 1 to 2 m. The

conodon~

were foun'd

only in

51 samples, whtte the

l'~g

samples

yaellded

negative results

1. The

conodonlts were well preserved and :fJrequently

lhad

a basal plate. lPartli!CUlar samples 'COIIliaine<imostil.y from a

few to

a d07Jen or so oonodonts and less

!fre-

quently several sooXes

of

them. Samples

.in

which specimens

/Were most

albundant came

from

the Frasnian detrital! JJmestones.

A:ll

pIa't£omn. oono- don'ts and thSose df the remaini:ng ones which are

of

stratigralphi.c im-

portance

.

have been ident'i!fiioo. 'Dhe material ·cdllecteid contains about 700

spec:ilmens, among

which nine genera and 36 species or sUlbspecies haV'e 'been dtistiLn!guished {TaJMe 1). Three forms, Polygrw.:thus ancyrogna- thoideus Zi.1egler, Schmidtognathus aff. pietzneri Ziegler a!nId Spathogna- thodus sannemanni treptus lZiegleor il!l:US!t:rated here (PJ.s

1-2),

have not

so far been

lmww.n from 'the

DevOIllian

of 1;, he HOlly

Cross

Mts

(cf. Szui1- .

czewSki 19'7l). The present

~lthar's vliiew:

on

·

taXOIlOJ:ItiC /POSition of the species identii<Lil€d are

^;in

confol"Inity with

~ose

expessed by

Zi~e:'

(1958) and

~uJ1crzewski

(1971).

1 Some samp1e.<; IOOntained .bolothurian sderites of tl1e genus Eocaudina Ma:r1ILn described \by (Matyja, lMa.tyja & Szulczewski.' (1973).

ACTA GEOLOGICA POLONICA, VOL. 31 K. MAl.KOWSK1, FTC:-. 2

l:S .!Q~

~ ^~c:::.

U

¹⁸

~ ^~~ _"t;§

e:-§

L

¹⁷

""'I:::.

~ ^~&..

""

--& Po/moto/epis rhomboidea 16.

.!:2 U ¹⁵

~ .&-~

M

¹⁴

~ <::, ...

.g ti~

.§l5

~

L

¹³

"c ... _c;, U ¹²

.~.~

);1.

-K _~. ~~

M

11

~~

~ I:::.t:l')

J%.~

L

¹⁰

~~

"0

UM

9

h..j "l

{5 _.~ ^I:::.

Q,

.!::?

U

.8

~

-..;:::

---

^~ I:::.

-s L

7

~ AnC!/rogna~ ~

~ fhus trian- b'

g%~~ris .,!"

~ _~ ^~ ~ U 5

r -

_~ ~

.t:.::i":! I~ 4.

~ ~.~

I:::.

L

b ~ 3

h..j ~ ^~

..g _~

lM

SclJmidtogpo thus herma- U

-nni I - - -

Polygnafhus _crista/us

L,

Correlation of the investigated profiles at G6rno Northern

pqrf

No. 1 : No II No III No IV

- - ____ 1. _ .. __ ;.:.. - - - -

.!..- -.-=r=:r:=:r:

,// // r ---=- -::. -=----:.. .:. = = ::. -:: -:. ^{-=- -=- -= :::}

^i,\.'

^~

^H7

\ I I

/ \ -I - I

/ IJ \ ~

_../ 4m [

~

\ _I _ 1 _ [

2m \ \ ] -1 - 1-

/ r :

I : I ;

=

7/1 \ \ . - i - I - H_{S/ 6}

Om / \ \_1_1_

/ rv15m \

_1_/_

// J/bftft~tlt3/1 \ ±~

/ / rv3m

~~

\

-1-/-1

/

110 -- - ---

1 --.- ,' ... : \ ^1-1-1-

...J .-_-_-_M 1-1-1-1'

- - - - \ 1-1- 1-

~

-1-1-/

,I----

^X\

;~~ III'I \ ^.~

I .:.:~.:;.::.::.:::.:.:: .. ; {j r---'~ - - I \ -I - 1-] H2

- f 0 0 \ --:::::: ______ I f I

';':;;.;;':'::;·,~P5

... : .... :,.:.::: ... x4

\

\

li"'iO

.' ... . ... [ ^{:r::::: \} \ =FC_:::;:::-,=l ..-.t..= I

= ~J~

^{t.:-rI. Ut}

,~r;~ "":ii~ ~2: l..-;l,-I~

f.~.~::;'::::<" %

- - - "'4m

T~88

" _ _ .-v_m..-=

"

,,~'f ^-

-_

^{- ~}

?

@f 1:1014 ht 1. r-15

8

f.iarbalko Hill

No VII

4m[

2m Om

o 0 C:7

ZJ l{

Southern part

Przylesna 'Hill

No VI

o 0 41

/ f I I I I I

... ---

^S3 I

~j I

Ei2S3'0

Xl ... } H, ... If 3/U/f ...

11, 12 ...

1- VII

¹²

Jdzefko Hill

No V

~ [3\

e [2\

fil

19\

I 181

jSll

\1 11\ \

I L I I 5 I _\ L

9

8 .

7

/j

1 .cOC'inodd 1imest,onelS', 2 mi,criltic 'limes'ton,ea" 3 Ica:lcare:nite,s" 4 illl'traformat.iolfHll hrerccias .. 5 marly llime,st,o:ne,s, 6 marl,y Isha,1es, 1 wavy~bedrded

micil'i:tic lime,s'tornes, 8 k,nolbby 'limest,o,nes, 9 f,o:ssHilfer,ous limelstones (hrachiopods and c,o'r,als), 10 do'lomi'tes, 11 c-cmdont samplei (symbols the s,a:mea:s ii11 Talble 1), 12 Inumibe!I',s '0([ Ithe :ilnvelstilgat,ed 'p.rolfiles «for their ,loca1tlLolll see Text-fig, 4)

UPPER DEVON'lAN AT GORNO

Genus POLYGNATHUS Hind-e, 1879

Type species: Polygnathus robusticostatus Biscthoff & Ziegler, 1957 Polygnathus ancyrognathoideus Z1eg;ler, 1958

(PI.

1, Figs &-6, 8 and Pl. 2, Figs 1---.2, 4)

'

191i8. PotYI1nathus ancyrol1nathotdea n. sp.; Ziegler, p. 69, PI. 9, Figs 8, 11, 16-20; and Text-fig. '1 • .

1968. PolYI1nathu8 ancyrol1nathotdea Ziegler; Glentster & Klapper, p. 82'1, PI. 8'1, Figs 14-15.

1967. PotYI1nathu8 ancyrol1nathotdeu8 Ziegler; Milller & Cark, p. 915, PI. 115, Fig. 9.

Descrr,jrpti'OO. - The .specimen wiiOOut a free 'blade;platf<lrm sy.mmet.r.iJc or with a developed lateral 100be 'protV.iided with a seoondary carina; OIU1i!na stTaig,ht, ,com- posed O!f several! nodulaT teeth; keel a.IlId SIIIlall ba'sal ,cavity occur on the lower

sUlflflU!e of platfDrm.

RemaTlks. - 'The specimen lilllustrated has a part of ,platform ,!;>roken-off and the margin ejf the lateral 100be distdnetly ro~d.

Ocourrence. - Givetian through the Lower .Palmatolepis gigas Zone (Ziegler 1971). The s'peCimen under study oomes ilrom sample 5/2.

Genus SCHMIDTOGNATHUS

Ziegler, 1965

Type

species: Schmidtognathus hermanni Ziegler, 1965

Schmidtognathus pie:tzneri Zi-egler, 1965

-19GB. Schmtdtol1ftOthus ptetznert sp. n.;Ziegler, 1965, p. 8fl6, PI. 2, Figs 11-25.

Occurrence. - Upper hermarmi-eristatu5 Zone through :lowermost Poiygnathus a,sym'llletri-cus Zone {Ziegler 1965).

~hmidtognathusaff.

pietzneri Zieg1er, 1965

I (IPI. 1, 'Fjgs 1-2, 9 anld !PI. 2, Fig. 3)

De8Cript4on. - The sJ)e!CiIIlen has an asymmetrdc and Iflat platform, :the widest an the ceI%tTa1 lPwrt; f·ree Iblade

strai'ibt,

'co;nsi'stLng ,0If fused teeth;ca'l"lina straight;

basal oovity very large, asymrnetr:i'cally delVe'loped; swollen part of ,basal carvity

'COiI"fI\el$ponds It.o the wider, antenna'l part df p'laltform.

,

Remarks. - The s:peci1men deso:rlibed ,being a juvendle forID, d~lays a distind similarity

t.o

itJhalf; ilbustrated ,by 'Ziegler {,1965, !PI. 2, F~g. 20) considered by him as a trans11monal to· Sch1'l'lddtognathus hermaTllni, froan which it, hiowever, ddMers in a atronger asyttnmetry oIf plaihfarm and basa'l -cavity and in the la-ck of. a distinct

ornamenta1iion. I

Occurrence. - The specimen under study :comes from sample DJ.

GenulS

SPATHOGNATHODUS

Br8!IlSOIl &Mehl, 1'941 a Ty!pe

speci€S:

Spathognathodus primus i(Branson

&

Mehl, 1933)

Spathognathodus sannemanni treptus ' Ziegler, 1958 (Al. 1, Figs 3-4, 7)

19118. Spathol1nathodus sannemanni treptus &p. n.; Ziegler, p. '12, PI. 13, Figs 1-3.

Desc1'l£pUo:n. - The specimen has a rliLstdJrict basal cavity in the 'Central part O'f ,blade; marg,inscxf ba$l -catVity wi1lhout -ornamen.ta,tiLon; deIlJtide.s ,0If ,1Jlade fused, and of equal 'ooigh't; antedor part of blade laterally bent at an angle of about 8{lo

I In 't'he mul'tdele:ment !taxOaJ.<JIDY af conodonts th1s fOO'llTl is a $athDgiIlathoddan (P.) element df \the Ozarkodina (Br8OlS>O!n & Meh.l, 1933) apparatus (cl. K18lp,per 1973).

226:· K .. M.Al.KOWSKI .

OCCIlL1'rence. - Upper P-olygnathus oa,symmetri'C!ijs Zon~ .. throug;h lower part of the AJIlcyrognathus triangu'laris Zone I(,ziegler 19'58). The 'specimen under study 00- mes

fr.Om

.sample 3,

.' STRA",rIGRA:PHY

Most oonodont assemlblages

collected· Lram

pa.rliouJ.ar samples (Taible l)·allowed

to

determine . t!heir :age with an laccuracy t· o one or two · sub- zones. Th'islPl"ov'ilied an adequate

basisfOl"

presentingastra1ligraphi:c:

diVision d.f

tbe

area (T'ex:t;.figs 2..:....4). T,h'e

range

()If 1ihe pTdf:hl,esdesC.ri~

il),C'ludes the members from the Lowemnost Polygna,thus'

as~.etr.icils

Zone

to

the undiiViided Patrn.a~epis rhWnboideaZQne. :that is, ~ . c~a.:

Norlllern port

^. Southern pad' .

.... .... ^{

Palroatolepis

rhomboidea Zone (16)

&

Upper Palmatolepis crepida Zone (15)

.•

^---~-

^--:- -:---"- ^--- ---

L~per Pa1matolepis gigas Zone (8,9)

Lower

Palmato1epis gigas

'Zone" (7) .

.' ,&

. Ancyrogn<:t:!;:/j\is ,tr:iq.p~u.l~ri.s~·.:

. Zo~e (6)

.l'Ildd1e f. Upper

. Pblygnathus 1!Isymmetrlbus'" ..

"'Zone .(4,5)'.' .

Lowermost & LowerPolygnathus asymmetricus Zone (3)

no ~xpos.ures

. " ... ,'.: .• ;:, •. :;':;J.;- ...

""'"",·r--..--.=I~

'1:;·::.1': :

:::~:::

-g:1"'g-.~

.. :'.:.:.:;.[,:;.::.;:/f.

" .. :::.,:1'} ... '±

~.l

-1-

( ( ... oe.

't ' ,+, If

o

c

8

A

I-T--'---,..~..,;,. ... ' . .' .. ^{I : .}

. ... 1.(.'" \, ,..,r"o,J" .

. J . ....

^{.j''' .... ' ..} :.d.· '.:

. J J ..

"':\-'1 . .:::.,

. :;.:

: '11-1 - 1-'

-1-"1 ~J .; .. ". 1 ~ J' ... '

,I!!II·~ • . " .'

., "

. f

4."t~(.'" .., ("

~I" <-L~ I cl ~)

_VI ^t \f'

Ox

" 1

s-r-a..r-;..ioi'_wt'"_"":l'- - - -- -- -- ---

. . ! l l ':.1.

ES3:J

^{l .}

esI3

²

l-lTtl

⁸

·E7 : ·

I'~W(,H3

^{:'..~. ;' ~~ ':}

. . . , . . r s - r n. r )

I;

l'f~J"

.

^.'

~ol"'I.g.,

<;>6

.

.. ..... .

.,~ ~5 .. :.

Fi!g~' 3.

Generaliied iPT.aflles

~or nortbern and' southern areas of'

ihe

investiiat~

re~On a.t G6r.n.o .

• 1 : : .:':'. . ,.'. . .• ~ .. ' . .• -: .. : . ' . , . ' " : , -L. ' '" "

1 micritic lI,inestones, 2' dolomites, i calcarenttes, 4 intraformational brec'cias, [; wavy'-bedcled micii"ltic limeStones; qC,mady llmestones; 7 . 'marly: .shaies, '8 'fosslliferous limeStones (bra'cliio-' 110ds and corals), 9 crinoid llmestones, 10 knobby llmestones

ACTA GEOLOGICA POLONJ)CA, VOL. 31 K. MALKOWSKI, TABLE 1

Distribution and frequency of conodonts In the environs of Gorno

Place .of samlplh1Jg in the profiles and numerdcalsY'mbols .of ,oonodorrt z.one.s shown in Text·if,ig. 2

UPPER DEVONIAN· AT GORNO

tion Wlith cephalopod zones,. from

dol

110 do Il. Due to the lack of the outcrops of certain

parts

of the profile and not always precise dating of sampdes wirth a low conodont frequency, the author did notsucoeed t'O

s~arte

all ,oonOdonl1; horirons ocaurring in this nnt-ervaJ. In the environs

of

G6rno,

it

w, as impossible

to

separate the beds belonging

to

the her- manni-cr:istatus ZOnes, but

.iit

is l' ikely that these beds are situated jo4St under the sUJrlfaoe in the G6rno brachyanftioline.

On·

the other hand, . thQ LoweI1IIlost Polygnathus

asymmetr~ciUS

Zone

of

Ziegler .(1971), an age equ1.va'lenlt

df

'the Norith Almericari Poilygnathus detngleri Zone of K, la1p-

,par

& Johnson

~1i9t80;

cf. J'ohinson, Klappe:r &

Trojan

1980); has been

!re-

oognized fur the first tiime in the Holy . Cross Mts. . In the environs of G6rno, the Upper Devonian deposits form two bellts sepalratetlby the

CaI~niferoU:s

ones; in the northern ar'ea, within the Gamo braiClwanrticiine, they are ex;posed in quarries I,

Ha, llb, III

and

IV

(s'ee

Text~ig.

4)

,in

which tlheoonodontzon:es have

been

distin- guished from the LoW1eImost Pal)'lgnath'llS asymmetrious to the undivid-

ed

Pa[mato1epis rhomboidea, whi1e

,in

the southern ar, ea the zones from the LowaI'1IIld9t Pdlygmathus :iisylmmetiri.cus

to :the

Upper Palma'tolepis gi-

gas iha'v.e !been. ~erl ID

ouibcrops

V, VI

amrl.

VII

(see, TeXt-fig. 4).

Due to the stxatigra'phic division

[t

was possihle to COl'.reJ.ate deposits of diXf'8l'ent

alge

fonmed

:iJn

these two a:reas, and four sets

in

oommon !for both treg.ions were distringutiShed

~eX!t-6gs

2-3), Mong with the fifth, the deposits

of which

occur only in the northern regilO'Il.

Particular sets, oorresp<mding to successive oonodont zones, are matr- ked by a varyd'n\g llithologicall development.

In ~hle

northeTn area

(cf.

Tahle 1

andText-:f~gs

2---J3.) these are as fu]Jows: .

A - ·Lower most '!lOO Lower IPolygnathus asym.metr.icus Zone: marly limes'to- mis, 'OOritairu'llg poor benth!i.'c fauna; colo:nialcorals Disphyllum arid brachioO-poos f'roducteUa; in.tercalations of detrita1 11mesto.nes a~aT in the higher pa,rt of

<the prodli!le;strongly .bituminous ,deposit; thi:dkness c. 6 m.

B - Middle and UpperBoly~nathusasymffietrious Zo.ne: detrit.al limestone.s with poor fauna ,0If brachLopods and frat:mentary crinoid ossicle.;;; mtraf.ormational brecciaappee.r; thi'ckness c. 3 ffi.

C . - AncY'rognathus triangU'lar:is and Lower Palma.tolepis g-igas Zones: I 'detri- . tal limestones, tUT!bidity and in'tr~QI"ma·tional ibreccia (cf. Szulczewski 19(8), in- tercalated by <a peliti'c, marly limes'bone; thickness c. 12 m.

8 Deposits from quarry Ha, ;regarded iby s.z.ukzews'kli. (1971) as to rill, have been included in 'bhe Pa1matolepis gigas Zone. In a.ddition to .the Frasnlian con- donts, Szulczews'kIL .:found Famermian spedes in these beds. However, 'the presence of FamennJ.an forms has nor been ,ooniiJrmed by the present stU/dies ,and, in addi- tion, the positilOn .of this profile among Frasni·an bedsgi.ves evidence for ,j·ts heing a 'Prurt of this .stage. N.o tedtonic diiJs1ocations which might lead to the position of the Famen.nian beds among the outcrops of the Frasnian have been found.

Ukew:ise, the litho:logkal dev·elopment .of these beds is typlcal 'olf tl1e PalmatQle- pis l1)igas Zone ,in the a'rea under :.tudy .

..

•

K. MALKOWSKI

D - Upper PalmatoJ.epis gagas Zcme: wavy-4bedlded mairly limestOOles, ,,?ver],a,iI!l wiith thin-lbedded marly limestone,s; detr.ital limestones Of!' .intrai{)rmaitonal brec-cia appear s:PoracUcally; ,biltuminoIUS deposit deVlolid .of maar<J!fauna; thLdkness c. 20 m .

. E .-: Utp'per Palmatolep1.s crepida and Palmatolepis rhomboidea ,Zones 4: marly,

slightly biiuminous limestones, i.nterca~a,ted ,by marly shales; thickness c. 25 m.

In 't!he southern area

(cf.

Tahlle 1, PI. ' 2, Figs 1-2, and TeXlt-figs 2-3)

'the

foUowmg setts axe

distinguished:

A - LowermQlSt and Lower P{)lygnathus a,symmetricusZone: thi1l'bedded, slig- htly ma.rly llimestones c{),l];taining oommOOlly the colonial corals PeneckieUa szuZ- czeW$kii .R6Zkow.ska and Pterorrh,iza beTdensts (Soshkina) descrd!bed 'by iR6rikowska (1979); ,bxachiopods .,- atrypiids, pugnaxids, penltameridrs, da,lmanellids, as we'll as the endemdc species PhZogoiderhynchus poZoniC'lJ;s(Roemer) revised by Biernat &

S1JulczewSk'i (1975); ga,s!1;llqpods, ,e.ntnolds, ostJraoodes (Olempska 197.9), aJIlid the re.cep- taculitids G; th!k'kness c. 5 m.

B ,- IMliddle alIlid Up.per ,p.QIy~UiS asymmetr<k1llS Zone: malL'ly limestoraes w~th f,evj iitter,calatiJons ofcrinodd ~ones, the· de~ee 0If the marly character Qf this series increases up to the appearance of the JJntercalaW,ons of marly shales in the upper part of ,tlhe profile; thickness C. 15 m.

C - Ancyrognathu.s trLangulaTJi,s to Lower or Upper' Pfllmato!1e,pis gLgas Zones:

s1J.ghtly 'bituminous, peli'tk limestones W7i/th a ,vary.i.t!g degree of the marly cha- rader; kn~bby limestones and less !fu"equen'tly detrital limestones, ipotraiormatio- nal ;bre'Cdia ^.0C'CUirS locally; thickness c. 8 m. .,

D - tipper Palmatolepis gigag· Zone: ,thin-lbedded marly 1imes1xmes' w!ith inter-.. cala.tiion;S oontaining very numerous sp.hiferid.s ,and crinoi;d O'Ssicles. The follow'fug goiniatliies have als.o been· repurted (nowg,ial~ 1969)~n outcrop VII ~oon:odontsa·m­

pies Zl, Z,; see rI'a1ble 1) on the Gaoc<batka HdU (cf. Text-fig. 4): Manticoceras adoT- tense Wedekind, GephYToceras CIf.· tuberc'UZatum Holzapfel, G. cf. unduZos'Um We- de:ltindand

q.

geroZ$tei~nse Steininger; thiclmessc. 10 m.

ThJe dated

'depoSllis 00£ the

lower tparl

of

the Frasnian belong to the LoweiL'1InOst Polygnalthus aSymiinetrlcus Zone ill the both

8il",OO8.

However, int he noxlbhetm area, 'they OCcur ' Qv·er '!black mar'lyJ.iJmeStones, whereas

in 'the ·sowthern OrlJe they

dixec1l1y.'6v~lie

the Middle De\11Ollian dolomi-

tes

(cf.

Tex't-4iig. 3) . . Consequerutll.y, in the northern area we can expect

. ' T,he g,oniatite Sporadoceras biferum Philltips, ,found in a waste along Ibhe western slope <lIf t'he .J6zetka Hill (cf. Texi4ig. 4), is indkatiive of a possible mgher hordzoIl!S ·,of the Famenniian d~ lying under the Quaternary cover.

~ Re~culilbids have been reglil'ded as stlratigraphically important in the' Fra'Snia,n {Lecompte 1958), whdch is ·.cOIl!firine.d dn the Holy Cros,g Mt5 by their occ'lln"ence din allla[~~s !POsdUOOl also to the ,Wiet.r.zntaII pr:afile '(cf. Szulczew:Ski 1971, p. 71).

.BLATE 1

1-2,9 - Schmidtognathu8 afif. tpietzneri Ziegler: 1 upper" 2 9 {8.EM X 150) ·lo'Wer·

. view Qf l:lypotyjpe t(ZP AIL/G.!) :Wam G6.rtno (sample Pl)'

3~4, 7 -:-Srpathoonath'Od'ILS sa-nnf;lll'nammitrept'ILS ;Ziegletr; 3 upper, 4 lower, 7 lateral

. ~EjM X 80) view of hypotYlPe ~ZA:PL/G.2) from Garno (.sample 3) . . 5-6,8 - PoZygnathus ancyrognathoideu,s Zie;gler: 5 ~SEM X 100) upper, 6 ']:OIWer

. vieW Of ibytp,olbyrpe (2WAJ.JG.3) lfirom G6rno tfjStaIm.Ple 5/'2)

Phciltos ·1--{; Q!l"e X 36; taken by iL. lJu.sz'Czew.ska, M. S,c.,SEM photos 'talken tby W. Skariyu'iski

ACTA GEOLOG'LCA POLONICA, VOL, 31 K, MALKOWSKI, PL, 1

ACTA GEOLOGJCA POLONICA, VOL. 31 K. MALKOWSKI, PLo 2

UPPER DEVONJAN AT GORNO

the occurrence of the Giveltian-Ftrasn:i.an transitional beds developed hare as black marIly limestones. Since the goniatites Pharciceras and

Synp-

harciceras belonging to

the

fo1'1m.s charactlaristic

of

the lowermost Fras- man

'

have heen found in the stratotype sections

_

together with c<modonts

of 'the hetmanni-<!r.ista1usZane (KUllmann '&

Ziegler 1970), the l boundary betw1een. the Givettian and Frasnian is

-Iplaced bedow the upper o,r .Iwhotle

hermannli-cristat1;us Zone ^(lH0iUSe

^{& Zieg~'er}

^1977).

The developmenlt

of

the deposits an

f

both

parts

Of the Studied region indicates slight changes

in

their faciJes. The prof.iJles in botIh parts maike up a depoSiltionall cycle

afgradual~y

Ideepeningmarine

IbaSin,

aJIld there- Iorethe conodont d1Strtbu1Jion in 'the lower part

of

the profiles might have

sOmlewhat

been iruflu'en:ced

-iby Ithe

nearshore

,

condi'tions (cf. - Dree-

-

sen

&

Thorez N1I80). Never1Jhcless, it

seems thalt

the southern

part

was

deeper. -In northern part, conspici<rus aTe the

effoots of

the bo-ttO'm slop- ing (Szw1czewski 196' 8, 197:1) and/or earthquakes (Kl8.imierczak & Golid- ring 19?'8). Sha(llower

lIegions OCICur:reicl ;in

ithe west

,

anid possi,ble also in the north where shaUow":'wartler,resf and transitionall facias are recordeid

(Cf. SZUllczew~ 1971)~

The sequence

of

sets A and B

in t!he soutj)hern area is

Sianilar to tlhat at Slruchoiwice and,

!in

parlicw1ar, at Wietrznia II (Srulczewski1971).

Mu,(!h the salIDe as

alt

8luiChowice, th!e sedtmentation 1y,pica[ of a deeper basin appeaTsanly in the UpPer ipolygnathus asymmetricus Zone, replac- ing the shahlow..-water sedlanenta'lJion of marly

_

t1iroestones

containi~

albundanJt fauna

:

(Szulczewski

197'1). The

redeposited sediments (setsB and

C)

characteristic

of

1ihe illiorl'hernarea a1"e similar in dev'elopment to analogus seldlments from Sludhowic'eand Kostoml, oty (cf. SzulczewSki

19'n).

Cephaldpods occu:rring on the Gatbatka HiJil aLlow one

_

io da be these deposits as do I 'Y (IDowgiailo 1969), which

is

in coilf<mIWlty with- their age determinaltion based on iVhe t,onodants.

, In the two areas discuss,

ed, 1ielctomc gapS within the Upper Devo-

man ooour in , 1Jhe places of contact wiifu. illle Car.bOnife:rous. In the north, this gap include; Farnenniian hO'l"izons higher than the Palmatolepis r bomlboid:ea Zone and

tin

'the south at ieast the entiI'e Faanennian,

,

but

PLATE 2

1-2,' - Polygnathus ancyr~nathOf,deus Ziegler: 1 upper view od: the central part -df the Spec.irrien -!fIgureld in 1P.l. 1 ,iFli.g~ 5-<6, 8 (&EM X .3(0); 2 ornamen-

tatiOiIl <lIf 'i'he upper marginal pa!tt ^of ,the Specimen figured in PI. ,1, 'Figs '5,--46, 8 K!fra:gment arl'!owed iLn' 1Pl. 1, FUg. 8; SEM X 10100); '4:fTagment of the oocoIlldaxy cariina wJth .nodUilar teeth I(arrl'owed -.in Pt '1, Fig. 8;

StEM X 4150)

- 3 - Schmidtognathus afif:Pietz:ne.ri Ziegler: basal uIV.ity wdlththe narroW groove -{lower parrt ex! the oSpeciJrnen 'fig\JIed tin Pl ll, F.igs 1---4, 9; ,StEM X 450)

&EM photos taken by W. SkCir.zyil.ski

K. MALKOWSKI

an accurate determination

df

the rattg.e cl this gap was difficult due

to

the lack of conodontts.

TECTONICS

The pattern of outtcI'QpS

of

tJhe Devonian and Lower Carbonif.erous deposits at

G6rno

led

1;10

the cO'llciusi-on on the existence

of

a synclfune (CzamO'C!ki 1900). A!s fo3:liows from la·ter studies (Zadrowa 1962), the Ca,r·

bonif· arous

i'l1!fiills

herein a gtraJben. The map presented (Text-:fiiJg. 4) con- firms the exisltenJee of tec1xmi:c gaps near the nOrtthe:nn. and southe.rl'i bO'Ulhdary

of

the Devonian outcrops, which

is

indicated by various dJ,ps

of

beds.

The occurrence of tlhe GiVte'ti:an was assumooin the core of .the GOr- no brachyantiidline ,(CmrnockJi 1900). This was not, howev:er confirmed since ; the

olid~;t

deposits belong to :the Lower Polygnathusasymmetri- eus Zone.

In the sou/thern !

prurt

of

the region, the Devonian deposits are monoolinany inclined noothwaI'1ds (see Text-filg. 4; PI. 3, Figs 1-2). The Gi'V'et.ianlFraBn[an bOU!Ildary on 'the

J

6zefk:a Hill. has been aaknow1ekiged as

ill

sedimentary one, since

1fue

Jower hOTlimn of the FI"aBnian found there COIIl'cordanrt:ily overliesvhe ddlomites. On the

,ather

hand, a gap

indudiJnig

the Po'lygnaiJhus asymmetrilcus Zone

is

recordeid on

the

Pl"zyleSn8 Hm, which ;proesumably indicaltes 1fu:e

,eXistence of

a fault

in

this loca!1i'ty. The shilft of the Fm.snian outcrops between the PrzyleS- na a:nd J

6zefka.

hills was caused by a faJUlt, whri.oh suglg-ests a dif·fererut tectOnicdnter.pl'letatio:n

(cf. T~ig.

4) than thatt given. . by Czarnoo'ki {193J8), who assumed.

the ,eXlBtence

<if a fdlid

in

this place.

InstUuteoj PaoZoobi01.og1l oj the P,oUsh Academy oj Sciences,

Al. Zmi:rki i Wigury 93, 02-089 War~zawa, Poland

R,EFERENCES

BIERNAT G. & SZULCZEWlSKI M. 1975. The Devonian bra-chio·pod Phlogoider- hynch'ILS polonicu.s (Roamer, 1866) :f.rorn :the Holy CJ.'OSB Mountains, Poland.

Acta ,Palaeont. Polon., 20 1(2), 199'--':221. Warszawa.

CZAlRNtOCKiI J. 1938. Kieke. Carte geologique gimerale de la Polog,ne; Feuille 4.

Wa·r,szawa.

- 1948. Guide ,pour XX Reunion de la SocieteGeo1o~que ,de .PQlogne dans lea Mon.ta'gnes de St. Qroodx en aoilt 1947. Rocz. P. T. Geol. (AnTI.. Soc. Geol.

Po!.agne), 11, 231-299. Krakbw.

DOWGIALW W. 1969. N.owe spostr:TJeienia geo1Joog1CZiIle w rejon.ie Brzecho:wa, Nie- stachowa i G6rna-Zawady w rejonie ,lcieleckim G6r Swi~tok.rzyski.ch. SPra·w.

p()s. Nauk. IG. - !l{rwaTtaZmk Geol.., 11, (3), Wa;rs,zaowa.

ACTA GEOLOaa:CA POLONICA, VOL. 31 K. MAt.KOWSKt, F1IG. 4

F~g. 4. '.Geological sketch ma'p ,O\f /the inrvestiigated r,egion tn the e.nvi'l"'ons of G6rno (cf. CzarJl;ock!i 11938, Zakowa 1,962)

1 Givetian, Z Frasnian and Famennian, 3 Lowe;r Ca;rboniferous (Culm facies), 4 Lower Trias- sic (Bunter -sandstones), 5 faults, 6 stratigraphlc boundaries, 7 boundaries of conodont zones (numerical symbols of conodont zones .the same as in Text-figs 2-3 and Table 1) I-VII numbers and location of the investigated pro:fliles (cf. Text-Ifig. 2)

ACTA yEOLOGJ,cA POLONICA, VOL. 31 K. MALKOWSKI, PLo 3

Jrizefka Hill Przglesna Hill

1

1 - Vtiew od' J6zefka and ·Przylesna hills, taken fr.om GaI1batka Hill (et. Text- -fig. 4); s.t:raii'graphi.cal ,boundanes (dashed Lines), faults GuH lines) as well a.s desig.natiOln oif ce.phaJ,opo::l zooe.s and mUffilber ,od: c.o.noclomt zones are marked 2 - Northern wall 'oif the J6zefka Quarry: mau-ly limesltones (cf. Text-iLlg. 2) a,i

the do lP/do ly Iboun.dao:y

UPPER DEVONlIAN' AT GORNO 23i

DREESEN R. & 'l1HOREZ J. 1980.' Sediment-a.ry env.ironments, conodont biofacies and paleoecology of the Belgian Famenian (Upper DeV'onian) - aRappr,oach.

Ann. Soc. Geol. BeIgiqu,e, 103, 97-100. Liege. .

GLEN,ISTER B. iF. & KLAFPER G. 1966. Upper Devo-nian conodonts from the Canning Basin, Westeron AuStrnlia. J. Paleont:, 40, 777-842. Menasha.

HOUSE M. & ZiLEGLER ,W. 1977. The g'oniatdrteand 'conodont ,sequences in the early Upper Dev>onian at Aoor,f, Ge:rnnany. Gecilogica et PalaeOlntoLogica, 11,

'. '~108. Mar,burg: .

JOHNSON J. G., K.t..AiPPER G. & TROJAN W. R. 1980. Brachiopod and cOl1odont suc·cessions in the Devonian (ll! northern Ante10pe Range, Ce.ntral Neva'lia.

Geologica et Palaeontologica, 14, 77-116. Mariburg.

KAZMlIERCZAK J. & ,GOLDRING R. 1978. Subtklal flat-pebble oongIomerate £.ram

;the Upper Devonlian of Foland: a muLllipmvenan't high-energy product. Geol.

Mea., 115 (5), 359-366. Cambridge.

KLAFlPER G. 1973. Genus O:w.nkDdina Branson & Mehl, 1933. In: Zieg1er W., (Ed.) Catalog of eonodonts, 1, 211-252. Sch'llJefizerbartsche ller lags buc/1Jha?Uilun(!;

Stuttgart.

K'LAPRER G. & JOHNSON J. G. 1980. Endemism and dispersal .of Dev01J1ian COruJ-

donts. J. Paleont., 54 ·(2), 400-455. Lawrence.

lCUL!UMAlNiN J. & ZIlEGLER W. 1970. Conodonten und Goniatdten von der Grenze l!.:li'ttel ,~devQn aus den PIrocfi!l am !Marlenberg {Osb:a.nd des Reinischen SiC'hiefergeb:Lrges). Geologica et .Pldaeontologioa, 4, 73--65. Marburg .

.LECOMipTE IM. 1958. Les recti!s paleozoiques en Bel>gique. Geol. R-uncischau,;47 {1), 31l4f.--...4&.1. S/1ruttgarl.

MA:LKOWSKJI K. 1971.. S'traty!grafia dewonu Q!k'o1k G6rna na podstawie 'konQdon~

~ [Unpoolished graduate paper; Institute 0If Geology, UruLversity 0If War- saw.].

MATYJA 'B. A., MATYJIA iH. & SZUILaZEWSKI M.' 1973 .The genus Eocaudi1lJ(l MaTtin (HO'lothul'lOildea) ,from the De;voni:an od: Foland. Acta .Geot Polon., .. 23 (1), 135-147. ,Warszawa.

MOI.JLER K. J. & CLARK D. L. 1967. Ea'rly Dev<mian oonodonts tfrom the Squaw Bay Limestone in Michigan... J. Paleont., 41, (4), 90~919. Menasha.

€}LJUMiPS.K.A .E. 1979. Middle to Upper' De'VlOndain' Ositl'alOOda from ,southern Holy CTOSS iMOUlll'tadm;, Poland. Palaeonto~ogia 'Polonic,a, '40, 57--162. 'W,aTswwa.

ROZKOWSlKA M. 1979. Oontr.ilbutdQn 00 the Frasnian te1lracocais from Po~nd.

PaZae.ontologia PolofLica, 40, 3--56.Warszawa.

SIEMlRADZKl .T. 1887. Sprawozdarue z ,badail geQlogic~h w zaahodniej cz~Sci

G6r Kiellecko-Sandomierski'Ch. Pam. Fizjog.r., 7, Warswwa.

SZUiLCZ:EWSKJ M. 1968.&ump structures and turliiditesinUpper Devonian li- mestones 'o!!' the Holy Cros,s iMts. Acta Geot Pown., 18 (2). 303-324. War- szawa,

- 1971. Upper iDeiVoOnian oonodonlts, stra'td.graphy and' facial !development in 11he Holy CIl'OSS Mts. Acta Geol. PaZon., 21 (1), 1"-129. WaT·s-zawa.

WOLSKA 12. 1967. Upper Devon.i.an conodonts from the s'out-h-west region of the Holy Cross iMmmtains, Poland. Acta Palaeont. P.oZon., 12 (4), 363-345. War- .szawa.

ZIIDGLER W. 1958. COIliO,pontend'einstratigraphische UThterSluchunge,n an der Granze Mf1rteLdevlOlB'1abertievon und 'iJn derr A'dioa':fs:tU!fe. Notizbl. Hess. Landesamt

Bodenf{)'/'sc~., 87, 7-77. Wies'baden.

K. MAŁKOWSKI

1962. TaXlOIloonde und phy10genie <l!berdevon:iscber Oo.noo.onten urid ;ihre stra- ti'graphiStche ,Bedeutung. Abh. Hess. Landesamt -BodenfOTsch., 38, 1-166.

Wdescbaden •.

... 1965. iEine Verd'einerung der Conodon:'teng'liederung au der Grenze. MitteI!

IOberdeVlOll. FOTtschr. Geol. Rheinl.d~ ^'!L. Westj., 9, 647--676. K.rafeld ..

1971. GOinodonł st:raJtigra.phy uf iihe Ellropean Devo.niam. GeoZ. Soc. America, Memoir, 1%7, 227-284. 'Boulder.

tAKOWA H. 1962. Z.aręby lbeds and Górno beds (Lower Carbcmiferous) wit.\1iln the

Łagów sy.ncIdabe. Bull. Geo1.. I'TIiSt., 174, 161,...222. Warszawa.

K. MALKOiWSK.'I

OORNY DEWON OKOLIC GÓRNA

(StreSLozenie)

Pirzedmiof.em .pracy jest s:tratYgTafi'a k,anod,ont'Owa oraz analiza ia,cjalna utwo- . rów górnego .<Jew.o.nu o'k'OlIiJc Gór.na (<fig. 1 'Oraz pl. 3). Na ;podsta'Wiie lronod'On'tów rO'ZpO'ziomawano wy,stępujące :tu uVwOlI'Y tran1,l i famenu w zakresie (por. Szul- czewski 19'1'1) od iIlajnr~Sżeg.o poziomu rPolygnath'lls asymmetricus do P'OZiiomu iPal- matalepis Il'hCllIllbaidea (vide :fig. 2-4). !Wśró.d ozna;czonY1Ch lronodontów (!tab. 1) WY- stępują t'l'zy !formy I(pl. 1-,2): .Polygnathu.s ancyrognathoidetts Ziegler; Schniidto- gnathtuS·

aJff.

Pietzneri ZIi.~ i SpathOgnathodus sannemanni t.rept'!Ls Zieg1er, dotychczas .me opisY\yane z dewonu Gór SwJętakrzyskicll. Wyr6inieme pOziso.mów

kon.odantowylchumoż1iwi~o .ddkładnliej'szą !korela'cję utworów .. górnego de,wonu wy-

stępująeycl1 po obu stronach wychodni' dd1neg'O k~bonu, a il'óżniących się nieco faejalnde I(por. :fdg. 3); dzięki -temu możliwym było d:okonanie 'korelIdy niektórych

szczegółów ibu'd{)wy te~tQllli:cznej ibadaine~o· OIbsza·l1u{fig. 4 o,r.az :pL 3; por. tallcile Czar nocki 1938).

•