2018-6-7 · Strongly folded, streaky, well-foliated hornblende-garnet gneiss (thickness c. 10,000 ft). Dominantly dark coloured amphibolitic metasedimentary and meta-igneous gneisses, lesser flaser-gneiss, minor marble, and calc-gneiss; intensely folded, parts mylonitised, cataclastically re …

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Sericite and quartz in flaser gneiss from Pogo, associated with altered garnet (in first child photo) and pyrrhotite. Photo ID: 1126903 Uploaded by: Geoff Van Horn View Count: 13 Approval status: Public galleries Type: Photo - 7360 x 4912 pixels (36.2 Mpix) 5NW-X58

(left) and flaser gneiss (right) from the Roma mine, upper north tunnel  Shop Gneiss Spice at the Amazon Storage & Organization store. Free Shipping on eligible items. Everyday low prices, save up to 50%. Mylonitic rocks with porphyroclasts are often described as having a flaser fabric.

Flaser gneiss

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✓. mica gneiss, granodiorite and granite. Posiva 98-11, Posiva Oy, Finland. Time-resolved laser fluorescence spectroscopy study on the interaction of curium(III)  gnejs (1) c r. min.

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Protomylonites and mylonitic gneiss with a N-S to … flaser gneiss See FLASER ROCK. Source for information on flaser gneiss: A Dictionary of Earth Sciences dictionary.

gnejs (1) c r. min. gneiss. gnet (pl. gnetter) rf. nit. — ig flash. —rande a. sparkling. gno (3) c 11 rub, chafe. 2 *.run. gnöl a i. hum.—ande», sparkling. gnom (1) l 

156 53. High-magnification photomicrographs of mylonite from zone in Pontatoc Ridge cataclasite shown in Layered Quartzofeldspathic Augen Gneiss and Flaser Gneiss (Proterozoic Y) at surface, covers 5 % of this area Leucocratic to mesocratic, mesoscopically-layered coarse-grained quartzofeldspathic biotite gneiss contains prominent polycrystalline quartz-feldspar augen within an anastomosing, mica-rich, schistose matrix. Flaser gneiss, greenschist, and piedmontite-bearing gneiss are distinctive rock types in the otherwise rather uniform migmatitic gneisses. Most of the younger rocks of the pass area are sedimentary and reflect a history of recurrent deformation and deposition; they range in age from upper Miocene(?) to Quaternary, and nearly all are of alluvial The granites pass into gneiss and granulite; the gabbros into flaser gabbro and amphibolite; the slates often contain andalusite or chiastolite, and show transitions to mica schists. At one time these rocks were regarded as Archean gneisses of a special type. flaser rock (flaser gneiss) A rock displaying ovoidal megacrysts enclosed within a fine-grained, streaky, anisotropic groundmass. The groundmass is typical of a mylonite fabric produced by intense deformation.

Flaser gneiss

◇. Granit / Gneiss. ✓. mica gneiss, granodiorite and granite. Posiva 98-11, Posiva Oy, Finland. Time-resolved laser fluorescence spectroscopy study on the interaction of curium(III)  gnejs (1) c r. min.
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Flaser gneiss




FLASER; flaser bedding; flaser gabbro; flaser structure; flaser-gneiss; flash; Flash; FLASH; flash (adj.) Flash (firmware) flash (light) flash (of lightning) flash about; …

Although granite, which became the flaser gneiss, was probably intruded into the amphibolite, its contact today is a shear zone. Flaser gneiss A dynamically metamorphosed rock in which lenses or layers of original or relatively unaltered granular materials are surrounded by a matrix of highly sheared and crushed material, giving the appearance of a crude flow structure Flaser Gneiss A dynamically metamorphosed rock in which lenses or layers of original or relatively unaltered granular materials are surrounded by a matrix of highly sheared and crushed material, giving the appearance of a crude flow structure Based on similar geochemical and mineralogical characteristics and on regional distribution, mutual associations and contact relationships, these granitoids and granitoid gneisses can be divided into three broad associations, viz: (a) The Amazula Gneiss - Nkwa/ini Mylonitic Gneiss - Nkwalini Quartzofeldspathic Flaser Gneiss Association: a migmatitic paragneiss and mylonitic to flaser gneiss A total rock isochrone of 246 m. y. based on 3 typical “Augen- and Flaser ”-granite gneisses is interpreted as the age of a granite body. springer Rb−Sr ages were determined for 4 samples from the “Augen- and Flaser ”-gneiss complex of the Grossvenediger region, Hohe Tauern, Austria. 出處/學術領域 中文詞彙 英文詞彙; 學術名詞 地球科學名詞-地質 糜嶺岩化片麻岩 flaser gneiss Flaser gneisses are strongly foliated and strongly lineated gneisses with pronounced ribbon-like lineations.