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The Association of Amphibolite and Albitite, Kragerø, South Norway

Published online by Cambridge University Press:  01 May 2009

R. B. Elliott
R. B. Elliott
Affiliation:
Department of Geology, University of Nottingham, University Park, Nottingham.
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Abstract

In the Kongsberg-Bamble series of South Norway leucocratic albitites are associated with amphibolites. The plagioclase of the albitites is An2-An13, that of the amphibolites is commonly An28-An40. The metamorphic facies is upper almandine amphibolite and the inferred P. T. conditions are about 700° C. and 7,000 to 8,000 bars. Recent experimental work indicates that at these temperatures and pressures amphibolites will begin to melt and the first liquid will be of albitic composition. It is suggested that the albitites owe their origin to the partial fusion of their enclosing amphibolites.

Type
Articles
Information
Geological Magazine , Volume 103 , Issue 1 , February 1966 , pp. 1 - 7
Copyright
Copyright © Cambridge University Press 1966

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References

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