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Resedimented carbonates from the Jurassic of Mallorca

Kettle, Simon (2012)
M.Phil. thesis, University of Birmingham.

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Abstract

The Cutri Formation of Mallorca consists of sediments which formed during the rifting of the Neotethys Ocean. It comprises thick carbonate turbidite sequences (interbedded with bioturbated marls, calcisilts and Posidonia bivalve coquinas) interpreted to have formed along a line source. The most abundant deposits are oolitic-peloidal grainstones and packstones, with sedimentary structures indicating primary deposition by high-density turbidity flows and debris flows which fed slope and base of slope sediments into a current-swept basin. With continued filling and diminishing sediment supply, a basin-plain association developed, comprising fine-grained and thin-bedded turbidites intercalated with bioturbated marls. A diagenetic history is developed that determined porosity was destroyed very quickly, mainly through compaction. The sedimentological and diagenetic history is compared to examples of resedimented carbonates that do provide good reservoir quality to try and understand the reason for porosity preservation compared to the Cutri Formation.

Type of Work:M.Phil. thesis.
Supervisor(s):Fairchild, Ian and Wheeley, James
School/Faculty:Colleges (2008 onwards) > College of Life & Environmental Sciences
Department:Geography, Earth and Environmental Sciences
Subjects:GB Physical geography
GC Oceanography
QE Geology
Institution:University of Birmingham
ID Code:3609
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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