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 />
(1988), Berggren & Miller (1988), Berggren et al., (1995), Georgescu (1996 <strong>and</strong><br />
2002), BouDagher-Fadel et al (1997), Berggren & Norris (1997), Olsson et<br />
al., (2000), Elnady & Shah<strong>in</strong> (2001), Arenillas et al., (2001).<br />
The biostratigraphic correlation <strong>of</strong> the studied sections is based on<br />
planktonic foram<strong>in</strong>iferal zonations (Figs.3.12 - 3.13), which shows a comparison<br />
between the biostratigraphic zones established <strong>in</strong> this study with other<br />
equivalent <strong>of</strong> the commonly used planktonic zonal scheme<br />
around the<br />
Cretaceous/Tertiary <strong>boundary</strong> <strong>in</strong> <strong>and</strong> outside <strong>of</strong> Iraq.<br />
Table (3.1) Show<strong>in</strong>g the number <strong>of</strong> planktonic <strong>and</strong> benthonic foram<strong>in</strong>iferal Genera <strong>and</strong> species<br />
identified <strong>in</strong> the studied sections from the Tanjero <strong>and</strong> Kolosh Formations<br />
Location Formation Epoch Foram type<br />
Total Total<br />
Genera Species<br />
Genera Species<br />
No. No.<br />
No. No.<br />
Sirwan Tanjero Late Maas. Pl. 20 62<br />
Sirwan Kolosh<br />
Early<br />
30 79<br />
Pl. 11 18<br />
Paleocene<br />
Sirwan Tanjero Late Maas. Ben. 36 58<br />
Sirwan Kolosh<br />
Early<br />
40 62<br />
Ben. 32 52<br />
Paleocene<br />
Kato Tanjero Late Maas. Pl. 14 30 14 30<br />
Kato Tanjero Late Maas. Ben. 25 38 25 38<br />
Qishlagh Tanjero Late Maas. Pl. 13 26 13 26<br />
Qishlagh Tanjero Late Maas. Ben. 28 42 28 42<br />
Dokan Tanjero Late Maas. Pl. 18 53<br />
Dokan Kolosh<br />
Early<br />
26 68<br />
Pl. 9 16<br />
Paleocene<br />
Dokan Tanjero Late Maas. Ben. 36 52<br />
Dokan Kolosh<br />
Early<br />
38 57<br />
Ben. 31 43<br />
Paleocene<br />
Gali<br />
Trunsit.unit<br />
Maas. Pl. 23 82<br />
+ Tanjero<br />
35 101<br />
Gali Kolosh<br />
Early<br />
Paleocene<br />
Pl. 14 21<br />
Gali<br />
Trunsit.unit<br />
Maas. Ben. 38 66<br />
+ Tanjero<br />
38 71<br />
Gali Kolosh<br />
Early<br />
Paleocene<br />
Ben. 30 50<br />
44
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