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Thorium–bitumen mineralization in Silurian sandstones, Welsh Borderland

Published online by Cambridge University Press:  05 July 2018

John Parnell  and
Paul Eakin
John Parnell
Affiliation:
Department of Geology, Queen's University, Belfast BT7 1NN, U.K.
Paul Eakin
Affiliation:
Department of Geology, Queen's University, Belfast BT7 1NN, U.K.
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Abstract

The Llandovery Folly Sandstone near Presteigne, Powys, contains disseminated thorium mineralization. The thorium occurs as inclusions of thorite and thorianite within sub-millimetre-scale bitumen nodules throughout the sandstone. The nodules grew replacively in situ. The two square kilometres outcrop/subcrop of the sandstone may contain over 500 tonnes thorium.

Keywords

thoriumthoritethorianitebitumenSilurianWales
Type
Mineralogy
Information
Mineralogical Magazine , Volume 53 , Issue 369 , March 1989 , pp. 111 - 116
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1989

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