Author： Henry D. A.
Publisher： Taylor & Francis Ltd
ISSN： 0812-0099
Source： Australian Journal of Earth Sciences, Vol.46, Iss.2, 1999-04, pp. : 251-260
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Abstract
The rare calc‐silicate minerals cuspidine, bultfonteinite, foshagite and xonotlite occur in a calcsilicate skarn zone near Chesney Vale, in northern Victoria. They are associated with andradite- grossular garnet, vesuvianite, diopside, wollastonite, prehnite, epidote, fluorite, calcite, perovskite, sphene and possibly tobermorite. The calc‐silicate skarn zone has formed in thermally meta‐morphosed, Ordovician, deep‐marine sediments adjacent to an Early Devonian aplitic granite pluton. The assemblages are estimated to have formed at low pressure ( co2 fluorine‐bearing fluid. The occurrence is the first record of bultfonteinite and foshagite in Australia and the first record of cuspidine and xonotlite in Victoria.
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