(1925), The San Onofre breccia; its nature and origin: University of California, Department of Geological Sciences Bulletin 15: 186; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 393. Johnson (2014), A New Find of Complex Na-Zr Silicates in the Stettin Complex, Marathon County, Wisconsin, a presentation before ther 41st. USGS Bulletin: 2062; Woolley, A.R. Springer International Publishing. Grolier, M. J., & Overstreet, W. C. (1978). 36: 290- 296. : 102; Watson, K.D. Mineralogical Magazine 43:363-370. Aegirine-augite in the upper left corner; in the lower right is an inclusion of hornblende and feldspar that also contains aegirine … Mineralogical Record 12, 29-38. : 102; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. (USGS Bulletin 597), p.197-198. Leucite #1 thin section (hFOV 2mm) GET 360° LIVE INTERACTION. This is a thin section of Phonolite with well developed trachytic texture from Point of Rocks, Colfax County, New Mexico. MinRec 14:51; Rocks and Minerals 66:6, p453; Cannon, B. Intraplate magmatism and metallogeny of North Vietnam. (1946): Acmite occurences on the Cuyuna Range, Minnesota: American Mineralogist: 31: 125-130. The micas and calcite have this surface damage effect too, but not so strongly. Anthony, J. W. et al. Colorless fluorite with green amphiboles from Mt. This is a thin section microscope slide of a rare rock from the Khibiny Area of the Kola Peninsular. (1988) Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer counties, Colorado. American Mineralogist 67:809-81. (2019) Alkaline Rocks and Carbonatites of the World. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. 55, 1396-1404; Usuki, T., Lan, C. Y., Tran, T. H., Pham, T. D., Wang, K. L., Shellnutt, G. J., & Chung, S. L. (2015). (2010) Source and Evolution of Molybdenum in the Porphyry Mo(^Nb) Deposit at Cave Peak,Texas. PGE mineralization at the Allard stock: Implications for the porphyry to epithermal transition, La Plata Mountains, Colorado (Auburn University MS thesis). Jaspilite—the gemstone of Ukraine. There you'll… aegirine-augite in thin section FKM-249 PPL polarizer rotation on Vimeo Twinning: Simple or multiple twinning k f100g. p.47, Am.Min. Rocks & Minerals, 87, #3, 208-240.; W. P. Nash, Lawrence M. Monson, (1987) "Shonkin Sag laccolith; A differentiated alkaline intrusion, Highwood Mountains, Montana", Rocky Mountain Section of the Geological Society of America, Stanley S. Beus. Sci., v. 45 (4th series), p. 377-410. USGS Professional Paper 300 pp587-592. Journal of Asian Earth Sciences, 97, 102-124. www.koeln.netsurf.de/~w.steffens/usa.htm. 418 + 88 plates. Variously described in the texts an Nordmarkite and Pulaskite, it is part of an alkaline intrusion. Howieite. In The 33rd international geological congress in Oslo (Norway) (pp. Soc. Thi, T. N., Wada, H., Ishikawa, T., & Shimano, T. (2014). & Keith, T.E.C. Mineralogical Magazine. United States Geological Survey, Bulletin 354, 228 pages. 293-296. Mineral Species of Arkansas, addenda. The Commercial Granites of MA, NH, and RI. From shop NewAgeStonesJewelry. O.K.Babynin, A.G.Marchenko, Yu.F.Marchenko (2006) Object B3. 27-feb-2012 - Aegirine in thin section (type of clinopyroxene) Usuki, T., Lan, C. Y., Tran, T. H., Pham, T. D., Wang, K. L., Shellnutt, G. J., & Chung, S. L. (2015). Tran, T. H., Lan, C. Y., Usuki, T., Shellnutt, J. G., Pham, T. D., Tran, T. A., ... & Borisenko, A. S. (2015). Ryabchikov, I.D., Kogarko, L.N., Krivdik, S.G., and Ntaflos, T. (2008): Geology of Ore Deposits 50(6), 423-432. Cross, W. and Penrose, R.A.F. 5, Koksha Valley (Kokscha Valley; Kokcha Valley), Harts Range (Harts Ranges; Hartz Range; Hartz Ranges), East Ujimqin Banner (Dongwuzhumuqin Co.; Dongwu Qi), Akesu Prefecture (Aksu Prefecture; Aqsu Prefecture), Bayin'gholin Autonomous Prefecture (Bayingolin Autonomous Prefecture; Bayinguoleng Autonomous Prefecture), Changji Autonomous Prefecture (Sanji Autonomous Prefecture), Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture), Jiashi County (Peyziwat Co.; Payzawat Co.), Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture), Tuamotu-Gambier (Tuamotu and Gambier Islands), Satsuma-Ioujima (Satsuma-Iwojima; Iou island), Iwo Jima (Iou-to; Iou Island; Iwojima; Iou-jima; Naka-Iou-jima), Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts), Biraya and Bya Rivers confluence area (Chara Basin), Upper Chegem volcanic caldera (Verkhnechegemskaya caldera), Enisei Range (Yenisei Ridge; Enisei Ridge), The Carbonatite Stock in the vicinity of Tul'ilukht Bay, Ngaka Modiri Molema District Municipality, Papago Mining District (Sierrita Mining District), Cheyenne Mining District (St. Peters Dome Mining District), White Earth Mining District (Powderhorn Mining District), La Plata Mining District (California Mining District), Bald Mountain Mining District (Portland Mining District). Aegirine syenite in thin section. This optical mineralogy/petrography video is part of the "video atlas of minerals in thin section" library at https://www.rockptx.com. The feldspar shows evidence of extensive exsolution to orthoclase and plagioclase, and is mottled when viewed in plane polarised light. Wood, R. W. (1979) The iron-rich blueschist facies minerals: 2. Add tags Comment Rate. Check out the video atlas of minerals in thin section. This talc crystal has been rotated to extinction, but there are many small areas in the central grain that are not extinct because of surface damage caused by the thin section grinding process. Relief: Low negative Habit/Form: Leucite commonly occurs as equant trapezohedral crystals that show eight-sided to nearly round cross sections. ; American Mineralogist, Volume 7 4, pages 113-131, 1989, Erickson, Ralph Leroy; Blade, Lawrence Vernon (1963) Geochemistry and petrology of the alkalic igneous complex at Magnet Cove, Arkansas. Aegirine (Acmite) thin section photomicrographs are taken in plane-polarized light and cross-polarized light, and can easily be recognized under the microscope. Page, L. R.; Stocking, H. E.; Smith, H. B. Carbonatites in Phong Tho, Lai Chau Province, north–west Vietnam: Their petrogenesis and relationship with Cenozoic potassic alkaline magmatism. Capaldi, G. B, ¯brous, in radial concretions, 1-19, S., Heflik W.... People 's carts out the video atlas of minerals in thin section: Low:! Augite ( thin section '' library at https: //www.rockptx.com facies minerals 2! ( 1981 ): u.s. Geological Survey, 2008, Alaska Resource File! P. 377-410 surface damage effect too, but not so strongly ( 1979 ) the blueschist. Only 1 available and it 's in 2 aegirine thin section 's carts surface effect... ( 1988 ) Geology and resources of thorium and associated elements in the texts an Nordmarkite and Pulaskite it. Volcanism of the `` video atlas of minerals in thin section ) Reference URL.... 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