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Origin of late Cretaceous phosphorites in Egypt

H Baioumy, R Tada, . (2005) Origin of late Cretaceous phosphorites in Egypt. Origin of Late Cretaceous phosphorites in Egypt .

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

The Duwi phosphorite deposits in Egypt are a part of the Middle East to North African phosphogenic province of Late Cretaceous–Palaeogene age. Their origin is controversial. Most previous authors have considered them to be in situ, authigenic deposits. Phosphatic grains in the Egyptian phosphorites are well-rounded phosphatic mudclasts (45–65%) and phosphatic bioclasts (35–55%). Phosphatic mudclasts are internally structureless but sometimes contain silt-sized detrital grains such as quartz and bone fragments, suggesting a reworked origin from pre-existing phosphatic mudstone.

Item Type:Article
Subjects:Q Science > QE Geology
Academic Subject One:Academic Department - Petroleum Geosciences - Petrophysics - Petrophysical data acquisition
Departments / MOR / COE:Departments > Geoscience & Petroleum Engineering
ID Code:12272
Deposited By: Ahmad Suhairi
Deposited On:24 Aug 2017 07:01
Last Modified:24 Aug 2017 07:01

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