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Clouded felspars and thermal metamorphism
- Source :
- Mineralogical Magazine and Journal of the Mineralogical Society. 22:524-538
- Publication Year :
- 1931
- Publisher :
- Mineralogical Society, 1931.
-
Abstract
- The present paper summarizes the facts at present known regarding a characteristic effect that is often produced in the fresh plagioclase felspars of igneous rocks by thermal metamorphism—namely the development of a special type of cloudiness caused by the appearance of minute inclusions. Reference is also made to certain wel|-known rocks in which the clouding of plagioclase felspars has been described without any suggestion that the peculiarity of the felspars is connected with thermal metamorphism.
Details
- ISSN :
- 03690148
- Volume :
- 22
- Database :
- OpenAIRE
- Journal :
- Mineralogical Magazine and Journal of the Mineralogical Society
- Accession number :
- edsair.doi...........8ab042f7923cca63f22915a67c436600