Rare-element pegmatites are commonly assumed a fractionation product of magma from which a spatially and temporally related two-mica granite is crystallized. How this assertion is geochemically proved? Do the two may occur in the different tectonic regime?
Thank you for your time
Barsisa
Dear Mr. Bekele:
It is a myth that the granite is the father of all things, the rare-metal pegmatites , in particular. If you agree that there is no economic geology without field geology you will come to the same conclusion.
These papers provide the essence of this approach and they are available on the RG Server and can be provided on request:
DILL, H.G. (2019) Coupling restites and mobilizates – Geological and litho-chemical investigations of paired belts of calcsilicate fels and quartzite (SE German Basement) - Quo vadis David London´s pegmatology ?.- Ore Geology Reviews 105: 636-662.
DILL, H.G. (2018) Geology and chemistry of Variscan-type pegmatite systems (SE Germany) - With special reference to structural and chemical pattern recognition of felsic mobile components in the crust.- Ore Geology Reviews 92: 205-239.
DILL, H.G. (2017) An overview of the pegmatitic landscape from the pole to the equator – Applied geomorphology and ore guides.- Ore Geology Reviews 91: 795 – 823.
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.
With kind regards
H.G.Dill
Dear Prof. Harald G. Dill I will go through these papers
Thank you very much
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