biostratigraphy and paleoecology of cretaceous/tertiary boundary in ...
biostratigraphy and paleoecology of cretaceous/tertiary boundary in ...
biostratigraphy and paleoecology of cretaceous/tertiary boundary in ...
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Chapter Three Biostratigraphy<br />
U P P E R C R E T A C E O U S PERIOD<br />
LATE MAASTRICHTIAN EPOCH--AGE<br />
1 10 20 25 30 40 45 SAMPLE NO.<br />
LITHOLOGY<br />
1 10 20 30 40 50 60 70 80 90 100 110 THICKNESS m.<br />
(Interf<strong>in</strong>ger<strong>in</strong>g Aqra Lst.) Tanjero Formation Transitional unit Red Bed FORMATION<br />
CF4 CF 3 ---------<br />
Planktonic foram.CF.<br />
zones(Li&Killer,1998a)<br />
R. fructicosa P.hariaensis--------------------?? SUBZONE<br />
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- -- ----------------------- --------------------------<br />
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---- - -- - - -- - - - - - - -<br />
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Reworked Foram.<br />
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N o r e c o r d s o f foram<strong>in</strong>ifera<br />
Heterohelix navarroensis Loeblich<br />
= globulosa (Ehrenberg)<br />
= striata (Ehrenberg)<br />
Planoglobul<strong>in</strong>a carseyae (Plummer)<br />
= brazoensis Mart<strong>in</strong><br />
Rugoglobiger<strong>in</strong>a rugosa (Plummer)<br />
= scotti (Bronnimann)<br />
= hexacamerata Bronnimann<br />
= macrocephala Bronnimann<br />
Gansser<strong>in</strong>a gansseri (Reuses)<br />
Globotruncanita stuarti (de Lapparent)<br />
= stuartiformis Dalbez<br />
= conica White<br />
Contusotruncana contusa (Cushman)<br />
= fornicata Plummer<br />
Globotruncana aegyptiaca Nakkady<br />
= arca (Cushman)<br />
= gagneb<strong>in</strong>i Tilev<br />
= dupeublie Caron et al.<br />
= falsostuarti Sigal<br />
Abathomphalus mayaroensis (Bolli)<br />
Globotruncanella petaloidea (G<strong>and</strong>olfi)<br />
Gumbelitria cretacea Cushman<br />
Pseudotextularia elegans (Rzehak)<br />
= deformis (kiko<strong>in</strong>e)<br />
= <strong>in</strong>termedia De Klasz).<br />
Racemiguembel<strong>in</strong>a fructicosa (Egger)<br />
Pseudoguembel<strong>in</strong>a costulata (Cushman)<br />
= hariaensis Nederbragt<br />
Planoglobul<strong>in</strong>a carseyae (Plummer)<br />
Boliv<strong>in</strong>oides draco (Marsson)<br />
Boliv<strong>in</strong>a <strong>in</strong>crassata Reuss<br />
Cibicides dayi (White)<br />
= subcar<strong>in</strong>atos Coshman &Deaderick<br />
= excavate Brotzen<br />
Osangularia navarrana (Cushman)<br />
Pullenia jarvisi Cushman<br />
Pyrul<strong>in</strong>oides sp.<br />
Ne<strong>of</strong>labell<strong>in</strong>a rugosa (d Orbigny).<br />
Bulim<strong>in</strong>a ovulum Reuss<br />
Praebulim<strong>in</strong>a quadrata<br />
= ovulum<br />
Ool<strong>in</strong>a apiculata Reuss<br />
Ammodiscus <strong>cretaceous</strong> (Reuss)<br />
= pruvianus<br />
Nodosaria m<strong>in</strong>or Hantken<br />
Marsonella oxycona (Reuss)<br />
Globorotalites michel<strong>in</strong>ianus (d Orbigny)<br />
Globorotaloides sp.<br />
Spiroplectam<strong>in</strong>a israelskyi Hillebr<strong>and</strong>t<br />
= dentata (Alth)<br />
= sp.<br />
Ammospaeroid<strong>in</strong>a pseudoapiculata.<br />
Lenticul<strong>in</strong>a muennsteri<br />
Paralabam<strong>in</strong>a hillebrndti (Fisher)<br />
= laevis. (Beissel)<br />
Dorothia crassa<br />
= smokynensis Wall<br />
= retusa<br />
Gyroidijna girardana (Reuss)<br />
Conicospiril<strong>in</strong>a sp.<br />
Omphalocyclus macroporus (Lamark)<br />
Orbitoides medius (d Archiac)<br />
= tissoti Shlumberger<br />
L<strong>of</strong>tusia elongata Brady<br />
= morgani Douville<br />
= persica Brady<br />
= m<strong>in</strong>or Coxi<br />
FORAMINIFERA<br />
PLANKTONIC FORAMINIFERA<br />
BENTHONIC FORAMINIFERA<br />
Fig (3.3) Biostratigraphic range chart <strong>of</strong> planktonic <strong>and</strong> benthonic foram<strong>in</strong>ifera, Cretaceous /Tertiary <strong>boundary</strong><br />
<strong>in</strong> Kato area (Kato section)<br />
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