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216318

PALYNOMORPH BIOSTRATIGRAPHY OF THE SUBSURFACE DEVONIAN ROCKS, GHAZALAT BASIN, WEST QATTARA DEPRESSION, EGYPT

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Last updated: 23 Jan 2023

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Abstract

Well–preserved palynomorphs dominated by miospores and subordinate acritarchs and chitinozoans
are recovered from some cuttings of Ie 11 - 2 borehole drilled in the Ghazalat Basin in the west of Qattara
depression, Egypt . A total of 36 species of palynomorphs (25species of spores, 8 species of acritarchs and
3 chitinozoan species) are identified. The palynological investigation of the studied stratigraphic interval
enabled the recognition of three informal zones ranging in age from Lochkovian to Emsian. Most of the
palynomorph taxa encountered are closely comparable with coeval assemblages recorded from North
Africa, Saudi Arabia, Western Europe and Canada, indicating the close relationship of the present area to
other parts of the western Gondwana and southern Euramerican provinces during that time interval.
Frequent representation of marine taxa (acritarchs and chitinozoans) together with associated spores
indicate near-shore marine depositional environment for the Lower and Middle Devonian (Zeitoun
Formation) deposits in north Western Desert region of Egypt.

DOI

10.21608/egjg.2020.216318

Keywords

Keyword: Devonian, palynomorphs biostratigraphy, Ghazalat Basin, West Qattara Depression

Volume

64

Article Issue

1

Related Issue

30208

Issue Date

2020-01-01

Receive Date

2022-01-30

Publish Date

2020-01-01

Page Start

355

Page End

365

Print ISSN

0022-1384

Online ISSN

2805-2617

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https://egjg.journals.ekb.eg/article_216318.html

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https://egjg.journals.ekb.eg/service?article_code=216318

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24

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Journal

Publication Title

Egyptian Journal of Geology

Publication Link

https://egjg.journals.ekb.eg/

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Article

Created At

23 Jan 2023