Wstępne wyniki badań mikrofaunistycznych starszego trzeciorzędu rejonu Zatoki Puckiej

SUMMARY

PreJiimhtlll!ry mlcropaleon.tol~l

s:tu.qy

of

early

Tertioa.ry

·stMta

from

the

Pudk

em'ba.yment

acea,

I1ven

herein,

'is

based

on

tbIe analy'si&

of

core

ma-terials kom

the

boreholes KopaIllLno IG-l,

Czaa'ny

Mlyn

10-2

KarW1lia:

16-1, Swan:ewo IG-4,

Mier'o-szyno 10-1', Chla.powo IG-l2,

Jut:rz~b1a

.

Gara IG-l,'

anid

Opald.no

lQ..'1.

MajDrlty

of

foram1nifer &pedes

i.de.Dit.lfied

ilndieate

the

Upper Eocene

age

.00

the

d~

samjpled.

The

depoeilbs

M"e divided in.to 18

Hthological varieties, diftedng in characler of

m1cro-fa'l11Il8l assemblages.. Quan'tibathre

impover>iBhmellllt; of ~UIIl8

&ppeal1's to be

related to a decnl8Se

in

amomi;t., o:r

to complete lalC'k of

call'lbollalbeS

10.

the

cliepostlB. ~aslonally,

a'lthough a

decrease

in!

,

the

numJ:ller

of

miC!l'afllAlllla~

elemen·ts

does

.not

take plBce,

poor

limi!n.ess

.

of

the

depostt is reflected

by

the

OCCUtteGCe of

diatoms

and radJdl&ria.ns.

Bentbon:l.c forma U9I1Ellly prediOmina'te. Plaalkton

as

~ed

by

innumerous forms c4

'lhe species

Globanmnalina

micTa (C o.L e),

and

by 8lJn.,gul1aJr damaged forms

oil

Globfgerin.a

Q. The pertCeIil;Qge

of

lJPIIlCies with

C81"-bonaceous

tests is

oormmnly

Mgber

·that tbat of

the

species

with

algglutilllated tesi's. Comiparison.s wdth

m:fIcrolaumal aesem'blages

of

ea.r'ly

Tertiau sbraIta of the .neighootmLng .ooun!tr.ies

show

thet

:the 8ISSE!IIIlblage

under

d'iscUlSSion • moet

simile1'

to

that trom

·

the

Ucpper

Eocene

of

tble

U S.!S.;R.

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