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Wall-rock silicification associated with fluorite veins in Carboniferous limestone at Butts Quarry, Derbyshire, England

Published online by Cambridge University Press:  01 May 2009

R. Kanaris-Sotiriou
Affiliation:
Department of Geology, University of Sheffield, S1 3JD, UK
R. Neves
Affiliation:
Department of Geology, University of Sheffield, S1 3JD, UK
F. G. F. Gibb
Affiliation:
Department of Geology, University of Sheffield, S1 3JD, UK

Abstract

Wall rocks on either side of narrow fluorite veins cutting Dinantian Limestones at Butts Quarry, Derbyshire, exhibit unusual and spectacular alteration structures. Buff, ‘blackened’ and grey limestone lithologies, containing significant amounts of euhedral quartz crystals, occur in a zoned sequence adjacent to the veins. The alteration structures are attributed to a two-stage process involving silicification and subsequent re-mobilization of silica by fluids passing along the vein.

Type
Articles
Copyright
Copyright © Cambridge University Press 1986

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