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Single crystal galena pillars as highly anisometric dissolution forms

Published online by Cambridge University Press:  05 July 2018

Ivan K. Bonev  and
Clive M. Rice
Ivan K. Bonev
Affiliation:
Geological Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Clive M. Rice
Affiliation:
Department of Geology & Petroleum Geology, University of Aberdeen, Meston Building, Kings College, Aberdeen AB24 3UE, UK
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Abstract

Remarkable single crystal galena formations in the unique form of cylindrical or steep conical ‘pillars’ with ‘capitals’ of small rhombododecahedral single crystals of sphalerite, are described. It is suggested that the pillars result from a highly specific process of anisotropic mineral dissolution controlled by a system of internal channels in the original skeletal crystals and represent a kind of dissolution whiskers.

Keywords

galenacrystal morphologydissolutionwhiskers
Type
Mineralogy
Information
Mineralogical Magazine , Volume 61 , Issue 406 , June 1997 , pp. 377 - 386
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1997

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