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Thermal etch pits on calcite cleavages

โœ Scribed by Dr. B. J. Mehta

Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
291 KB
Volume
16
Category
Article
ISSN
0232-1300

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โœฆ Synopsis

Abstract

Thermal etch pits are observed on calcite cleavages when the latter are kept at 520ยฐC to 560ยฐC in atmosphere for some hours. Boundaries of the above etch pits are circular, hexagonal and rhombic and they are dependent upon the temperature of etching. Different etch pit morphology is observed in chemical etching on calcite cleavages. It is conjectured that origin of thermal etch pits are different from that of chemical etch pits.

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Eccentricity of symmetrical and asymmetr
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## Abstract There are two types of chemical eccentric etch pits. Deepest points are always lying on the shorter diagonal. โ€“ Symmetrical etch pits the deepest points of which lying on the diagonals show dislocation lines in the plane (110). Eccentricity of symmetrical etch pits along the [110] dire

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