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A Note on the Progressive Metamorphism of Siliceous Limestones and Dolomites

Published online by Cambridge University Press:  01 May 2009

C. E. Tilley
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Extract

The stages of progressive thermal metamorphism of siliceous carbonate sediments covering mineral assemblages revealed in the highest grades of alteration were first delineated by Bowen (1940) in a paper which presented an illuminating systematic treatment of the whole subject. In his account the successive stages in the metamorphism of siliceous limestones and dolomites were, in general, linked with a series of reactions of increasing decarbonation in which thirteen steps were traced, involving the appearance of ten distinct mineral phases. With certain reservations these phases could be accepted as indicators of a temperature grade of metamorphism. Investigations carried out since that time have served to confirm the general validity of the scheme set out which thus brings law and order into a field of metamorphism characterized by considerable mineralogical and petrographical complexity.

Type
Articles
Information
Geological Magazine , Volume 88 , Issue 3 , June 1951 , pp. 175 - 178
Copyright
Copyright © Cambridge University Press 1951

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References

REFERENCES

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