Title: The occurrence of uranium in association with cassiterite, wolframite, and sulphide mineralization in South-West England
Abstract: Abstract The U content of cassiterite (SnO 2 ), wolframite (Fe,Mn)WO 4 , and various sulphides from two localities in the Cornubian batholiths of south-west England has been investigated. Cassiterites showed concentrations of U between 0 and 6 ppm with the higher concentrations corresponding to the darker colour bands. Sulphides contained no detectable U using the fissiontrack method, but high concentrations relate to micro-veining. This veining was also evident in associated wolframite and appeared to have a composition similar to an iron-arsenate mineral associated with the alteration of arsenopyrite. Wolframite exhibited a wide range of U concentrations with sharp zonation and several generations of ore deposition within one crystal. The U was not, however, associated with either the iron- or manganese-rich phases.
Publication Year: 1982
Publication Date: 1982-06-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 17
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