Sedimentological Study of Tanjero Formation– Dokan Section North of Iraq

Aqeel Abbas Al- Zubaidi, Ali khalf kadhum, Sadi Kan Jan


Tanjero Formation (Campanian- Maastrichitian) has been studied at Dokan section, north of Iraq. Eighteen carbonate samples, include limestone, marly limestone and marl were collected and thinned section to analyze them under polarized microscope. Involved carbonate rock bed units were subdivided, according to petrography, organic contents and diagensis into:

1-       Recrystallized Limestone beds,

2-       Sugary texture beds,

3-       Foraminiferal limestone beds,

4-       Planktonic and Benthonic fossiliferous Limestone beds.

Sedimentological study shows that the rock bed units of the lower part were deposited at deep marine environment overlined by supratidal environment; the middle part at open marine shelf; and the upper part at deep shelf marine environment.

Keywords: Iraq, Dokan, sedimentology, petrography, fossils, marine environment.

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ISSN (Paper)2224-3216 ISSN (Online)2225-0948

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