 | | Journal (issue) | | granitoid units 24 ArenilJas and Taqui units 24 ·unnamed serpentinite units 24 Origin and age of the tectonic...division 32 Rio Panupali unit 32 El Toro unit and unnamed serpentinites 36 Strncture 37 General 37 Structure...complex, Quebrada Piedras 18 17 Finely banded greenschist tectonite with centimetre-scale (Z) kink bands...Biotite 7.78 Biotite muscovite granodiolite Balsas quarry (Marcabeli 6308/95837) Biotite Muscovite 7.50...it tentatively correlated with similar (unnamed) serpentinite lenses which occur further to the north |  | | Report (issue) | | and Berkshire Highlands. The line of isolated serpentinite bodies then stretches into Connecticut, where...1976, Tectonic mélange(?) in the Arvonia Slate district of Virginia: Geological Society of America Abstracts...carbonate—bearing greenstone amphibolite and greenschist light gray, faintly bioturbidic, thickly bedded...orthoquartzite black, carbonaceous quartzite 23 serpentinite felsic, aphyric metavolcanics gray, massive...tectonic descent. Highly contorted foliation in the greenschist and amphibolite blocks lies at marked variance |  | | Report (issue) | | lenses and blocks of chertargillite, gabbro, and serpentinite occur throughout this terrane. Two major erogenic...of: Keratophyre Harzburgite Plagiogranite Serpentinite Gabbro with minor pyroxenite FIGURE 1.2. Simplified...to low cooling rates or to recrystallization. greenschist-facies assemblages, including hydrogrosMercier...mineral deposits of the Mineral-Iron Mountain District, Washington County, Idaho, and of a metallized...pyroxene hornfels facies, overprint a regional (greenschist-facies) metamorphism, characterized by green |  | | Report (issue) | | placer Sunset Creek placer Victor FERRY Republic district Addison Alva Stout placer Belcher Ben Hur Black... 285 . 286 . 287 . 288 PEND OREILLE Metaline district Bella May Blue Bucket Calispell Cliff Comstock...may be the same for all mines in a given mining district. We have attempted to make individual category/field...recent name of the mine, mineral deposit, or mining district This is referred to tas the primary site name...primary site name, site numer and county. District - The mining district(s) in which the mine is situated County |  | | Book (volume) | | publisher. Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical... is arguably the most important gem-pegmatite district in North America. Its wealth of tourmalines, morganites...Gerais, Brazil, better than those from the Harvard quarry in Greenwood? Are the morganites of Cerro de Urucum...Pala, California, better than those of the Bennett quarry in Buckfield? The answer to most of these questions...omitted. Instead of Consolidated Feldspar quarry, Heal Granite quarry, or Sullivan Silver mine, etc., the corresponding |
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