 | | Report (issue) | | published and unpublished data on dimension stone quarries, prospects, and historical sites in the southern...Chapter 2 Granite and metamorphic rocks Southern region ....................................................................................5 Historic quarries...............................................................................8 Fraser Range — gneiss, charnockite, and mafic granulite ............................................31 Central western region .............................................. |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...in 2002 in a calcite-carbonatite vein intruding gneiss, together with very large Baveno-law-twinned crystals...Alberene and Old Dominion quarries, Albemarle County. In these two soapstone quarries, tabular ilmenite crystals...9: 1 (Gaines, 1971; Pimentel er al., 2009). SWITZERLAND Maderanertal east of Arnsteg, Uri. In the world...in numerous localities in Switzerland, it is only in the Maderanertal region of east-central Canton Uri |  | | Book (volume) | | ..377 North Carolina – Spruce Pine – Little Switzerland Area Map .....................379 North Carolina.........................511 Virginia – Leesburg quarries Site Map .......................................407 ft. Cheaha Mt. This crystalline or mineral region is composed primarily of metamorphosed Paleozoic...counties. In this contorted, structurally complicated region of slates, phyllites, marbles, quartzites, and...above sea level. From this predominantly farming region the widespreading Tuscaloosa formation disgorges |  | Sheridan, Douglas M., Maxwell, Charles Henry, Albee, Arden Leroy, Van Horn, Richard (1967) Geology and uranium deposits of the Ralston Buttes district, Jefferson County, Colorado, with sections on Paleozoic and younger sedimentary rocks. Professional Paper 520. US Geological Survey doi:10.3133/pp520 | Report (issue) | | _ Hornblende gneiss unit _________________ _ Microcline-quartz-plagioclase-biotite gneiss unit ______...____ _ Microcline-quartz-plagioclase-biotitc · gneiss complexly interlayered with other rocks ______...-----lnterlayered biotite-quartz- pia gioclase gneiss and mica schist ________________ _ Quartzite unit...__________________________ _ Quartz-feldspar cata.clastic gneiss and associated rocks ______________________ _ Cataclastic..._________ _ 8, 9. Garnetiferous biotite-quartz gneiss, Schwartzwalder mine __________________________________ |  | | Book (volume) | | 407 ft. Cheaha Mt. This crystalline or mineral region is composed primarily of metamorphosed Paleozoic...counties. In this contorted, structurally complicated region of slates, phyllites, marbles, quartzites, and...above sea level. From this predominantly farming region the widespreading Tuscaloosa formation disgorges...⎯gemmy minerals, petrified wood; d area limestone quarries⎯Calcite, Celestite, marble; e SIXMILE (hamlet...Magnetite, Pyrite, etc.; f limestone and dolomite quarries⎯Barite and Calcite. ANGEL STATION (NW part of |  | | Book (volume) | | 407 ft. Cheaha Mt. This crystalline or mineral region is composed primarily of metamorphosed Paleozoic...counties. In this contorted, structurally complicated region of slates, phyllites, marbles, quartzites, and...above sea level. From this predominantly farming region the widespreading Tuscaloosa formation disgorges...⎯gemmy minerals, petrified wood; d area limestone quarries⎯Calcite, Celestite, marble; e SIXMILE (hamlet...Magnetite, Pyrite, etc.; f limestone and dolomite quarries⎯Barite and Calcite. ANGEL STATION (NW part of |  | | Book | | because of the immense heat developed; it is in this region of contact metamorphism where many great mines...Igneous intrusives Dark minerals, Limestone quarries Calcite, celestite, dolomite, fluorite, galena...their “civilized” appurtenances. Not only is the region of the Old West much more was eighty years ago...oxidation or sulphurization. In the southwestern desert region natural tarnish may become like a crust, known...sericite, chlorite, muscovite, biotite varieties), gneiss, hornfels, marble, serpentine, breccias, silica |  | | Book | | delving beneath the surface or looking into nearby quarries, road cuts, and bluffs beyond the immediate boundaries...• • -. ... ' -- Jay Ellis Ransom . RocK QUARRIES. The best place f-:)f hunting minerals, crystals...mineral environments of whichever more distant region you plan to visit on any gem collecting trip. The...variety of minerals they can find throughout the region, especially in the pegmatite intrusions (dikes)...the eastern foothills of the Rockies. This great region is one of almost exclusively sedimentary formations |
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