I found amphiboles and perthites in pegmatites and granite as well so I want to study geobarmetric studies and want to compare these to investigate the pressure and temperature regime . I known this is possible in Granitic system but i am confused about Pegamtites .Please give me your suggestions.Thanks
Dear Mr. Koshhall.
You speak about granitic and pegmatitic rocks and refer to amphibole of asbestos-like structures. It would be helpful to have a more detailed record of your pegmatites, e.g., structure, mineral assemblages, country and wall rocks..
See in this case:
DILL, H.G. (2016) The CMS classification scheme (Chemical composition-Mineral assemblage-Structural geology) - linking geology to mineralogy of pegmatitic and aplitic rocks.- Neues Jahrbuch für Mineralogie Abhandlungen 193: 231-263.
DILL, H.G. (2015) Pegmatites and aplites: Their genetic and applied ore geology.- Ore Geology Reviews 69: 417-561.
I wish you much success
Harald G. Dill
Dear Amjad, you can use the Ti in amphibole method. Please have a look at the attached article and references therein. Kind regards Daniel
You could try the method mentioned in:
Zoned Ca-amphiboles and related P-T evolution in metabasites from the classical Barrovian metamorphic zones in Scotland
October 2004Mineralogical Magazine 68(5):769-786
DOI: 10.1180/0026461046850218
Project: Amphibole geothermobarometry of metabasites
M. ZenkB. SchulzB. Schulz
Bundle of thanks Harald G. Dill , Harald G. Dill , and Ali Akbar Baharifar for your knowledgeable answers
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