Foraminiferal stratigraphy of Ranikot (Paleocene) of Pakistan
Conference
·
· Am. Assoc. Pet. Geol., Bull.; (United States)
OSTI ID:6306942
The sedimentary deposits of Pakistan are divided into three distinct basins: the Lower Indus basin, the Upper Indus basin, and the Baluchistan basin. The Lower Indus basin is further divided into two parts; the northern part is the Sulaiman Province, and the southern part is known as Kirthar Province. The tertiary stratigraphy of Kirthar Province is conspicuous for its characteristic lithostratigraphic units. The Paleocene deposits of Kirthar Province are designated as Ranikot Group. The Ranikot Group was divided by Cheema et al in 1977 into three distinct lithostratigraphic units: the Khadro formation (Cardita beaumonti beds), Bara formation (Lower Ranikot), and Lakhra formation (Upper Ranikot). The Khadro and Lakhra formations are marine, characterized by foraminiferal assemblages. The characteristic planktonic forms are: Globigerina triloculinoides Plummer, Globorotalia pseudobulloids (Plummer), G. compressa (Plummer), G. valascoensis (Cushman), and G. pseudomenardii Bolli. The diagnostic forms of larger foraminifera are: Nummulites nuttalli Davies, Miscellanea (d'Archiac and Haime), Kathina major Smout, and Lockartia conditii (Nuttall). The planktonic foraminifera were assigned to Globorotali trinidadensis, G. pseudomenardii, and G. velasoensis zones of Kureshy in 1977, and larger foraminifera were assigned to Nummulities nuttalli zones of Kureshy in 1978.
- OSTI ID:
- 6306942
- Report Number(s):
- CONF-8304200-
- Conference Information:
- Journal Name: Am. Assoc. Pet. Geol., Bull.; (United States) Journal Volume: 67:3
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
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03 NATURAL GAS
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58 GEOSCIENCES
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ANIMALS
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030200 -- Natural Gas-- Reserves
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58 GEOSCIENCES
580100* -- Geology & Hydrology-- (-1989)
ANIMALS
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CENOZOIC ERA
DEVELOPING COUNTRIES
FORAMINIFERA
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INVERTEBRATES
MICROORGANISMS
PAKISTAN
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SARCODINA
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TERTIARY PERIOD