 | | Journal (article/letter/editorial) | | location; the type material is in the Freiberg Mining Academy collection in Germany (Anthony et al. 2000)...Dr. Rob Bowell, a consultant geochemist in the mining industry, is an avid collector of microminerals...although minor SiO2 (which is probably included quartz) and phosphate, occurring as a minor replacement...sparingly in ores of the Tucson mine in the Leadville district of Lake County, Colorado (Eckel 1997). In Arizona...been identified widely throughout the Warren mining district but always in small amounts (Palache and Merwin |  | Magna, T., Janoušek, V., Kohút, M., Oberli, F., Wiechert, U. (2010) Fingerprinting sources of orogenic plutonic rocks from Variscan belt with lithium isotopes and possible link to subduction-related origin of some A-type granites. Chemical Geology, 274 (1) 94-107 doi:10.1016/j.chemgeo.2010.03.020 | Journal (article/letter/editorial) | | (meta-)igneous source metasomatized by mantle-derived fluids (Martin, 2006). For the occurrences of A-type granites...dehydration should produce trondhjemitic to tonalitic/quartz dioritic rather than granitic liquids (see Johannes...early stages of the Tethys Ocean opening. (vi) Martin (2006) developed a new model for A-type granite...nepheline syenitic, or carbonatite-like magmas (Martin, 2006). In principle, such a scenario does not...an assemblage of Kfeldspar, plagioclase, albite, quartz, biotite, phengitic white mica with minor monazite |
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