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Book Chapter

Late Neoproterozoic to Early Palaeozoic evolution and hydrocarbon prospectivity of the NW Tarim Basin, China

By
Sebastian A. Turner
Sebastian A. Turner
Department of Earth Science & Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
Present address: BP Exploration & Production, Chertsey Road, Sunbury-on-Thames, Middlesex TW16 7BP, UK (e-mail: sebastian.turner@uk.bp.com)
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Published:
January 01, 2012

Abstract

Recent contraction in the NW Tarim Basin, China, has exhumed a thick (2–3 km) sequence of Upper Neoproterozoic to Lower Palaeozoic sediments that provide a unique insight into the early evolution of the basin. The sedimentary sequence was examined in outcrop and consists of a lower, 500-m-thick fluvial–lacustrine clastic and volcanic succession, conformably overlain by a 2000-m-thick shallow marine carbonate succession which records a major rifting event that initiated in the Late Neoproterozoic. This rifting event probably corresponds to the break-up of East Gondwana and the separation of the Tarim Block from a conjugate margin equivalent in NW Australia. The generation and infilling of rift basins creates a number of potential hydrocarbon plays, although analysis of individual play elements indicates a relatively high risk, despite the prevalence of hydrocarbons derived from the same rift sequence elsewhere in the basin.

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Geological Society, London, Special Publications

Geology and Hydrocarbon Potential of Neoproterozoic–Cambrian Basins in Asia

G. M. Bhat
G. M. Bhat
University of Jammu, India
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J. Craig
J. Craig
eni exploration & production, Italy
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J. W. Thurow
J. W. Thurow
University College London, UK
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B. Thusu
B. Thusu
University College London, UK
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A. Cozzi
A. Cozzi
Ieoc, Egypt
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Geological Society of London
Volume
366
ISBN electronic:
9781862396142
Publication date:
January 01, 2012

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