نتایج جستجو برای: amphibole
تعداد نتایج: 1087 فیلتر نتایج به سال:
Details are given of the techniques used in the analysis of asbestiform fibers in the water systems of Duluth, Minnesota and other cities. Photographic electron diffraction and electron microprobe analyses indicated that the concentration of verified amphibole mineral fibers ranged from 20 x 10(6) to 75 x 10(6) fibers/l. Approximately 50-60% of the fibers were in the cummingtonite-grunerite ser...
The Soleimanieh ultramafic-mafic cumulate rocks (East of Sabzevar) include gabbronorites, amphibole gabbronorites, pegmatite gabbros, leucogabbronorites, norites, diorites and plagioclase bearing amphibole peridotites. The Cr-number of spinels in amphibole peridotites and olivine gabbronorites varies from 0.44 to 0.45 and 0.42 to 0.44 respectively. Geochemically, the gabbroic rocks are characte...
APG2 is a computer application designed for amphibole-plagioclase geothermobarometry. It is the first updated version of APG and supports 4 thermometer models and 6 barometer models involving either amphibole-plagioclase or amphibole only. APG2 has capability to integrate all 4 thermometer models with 6 barometer models and produce 24 different states which user can export them all at once to a...
Hornblende biotite bearing tonalite from the west of Dehnow comprises of quartz, calcic plagioclase (andesine-labradorite), garnet (mostly almandine), biotite (annite to siderophyllite), calcic amphibole (mainly ferrohornblende) and accessory minerals of chlorite, epidote, calcite and ilmenite. According to thermobarometry of amphibole, plagioclase as well as the chemistry of garnet that shows ...
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