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On the Significance of Metamorphosed Calcareous Concretions in Lower Birrimian Schists of the Gold Goast

Published online by Cambridge University Press:  01 May 2009

C. E. B. Conybeare
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Abstract

Nodules of “pseudodiorite”, i.e. metamorphosed calcareous concretions, occur in the Lower Birrimian (Pre-Cambrian) quartz-biotite schists which are interpreted as having been calcareous muds and silts. The probable metamorphic history of these nodules is traced.

Type
Articles
Information
Geological Magazine , Volume 88 , Issue 4 , August 1951 , pp. 267 - 272
Copyright
Copyright © Cambridge University Press 1951

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References

REFERENCES

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Turner, Francis J., 1948. Mineralogical and Structural Evolution of the Metamorphic Rocks. Geol. Soc. Amer., Mem. xxx.Google Scholar