| | Journal (article/letter/editorial) | to and classification of manganese deposits of China Delian Fan ) , Peiji Yang Institute of Geology,...Academy of Sciences, P.O. Box 9825, Beijing 100029, China Received 15 October 1997; accepted 28 February 1999...Manganese ŽMn. ore deposits are widely distributed in China and can be divided into six types based on origin...Quaternary ages. The largest Mn metallogenic periods in China are Sinian and Devonian, in contrast to the widespread...world. Mn-bearing stratigraphic successions in China can be divided into six types of lithologic associations: | | | Book (volume) | a grayish white mineral, attached to a mass of galena, from an undisclosed locality in Saxony, Germany...with ~9% Mn coexisting with alabandite of the Sätra mine, see p. 69; and with 5.6% Mn coexisting with niningerite...to the cubanite-talnakhite ores of the Noril'sk district, Eastern Siberia, Russia; it is lacking in the...in two samples) of the sphalerite-chalcopyrite-galena pyrite ores from the Sadon deposit, Northern Caucasus...as components of the Pb-Zn ores of the Huanzala mine, 250 km north of Lima, Peru, where Fe-Mn sphalerite | | | Journal (article/letter/editorial) | and Amapa deposits of Brazil, and the Tangganshan deposit of China (Roy, 1992). The period between 1950...radiogenic origin and is mainly concentrated in galena. Minium and even native lead have locally been...Accessory minerals are mainly sulphides (pyrite and galena), hematite F. Gauthier-Lafaye, F. Weber / Precambrian...Proterozoic stromatolites: 1. Northern Eurasia, China and India. Stratigraphy and Geol. Correlation 2 | | | Journal (issue) | Exhibition of the Dragon Gold Specimen, Colorado Quartz mine, Mariposa County, California......................cjstefanoxls@gmail.com Hauerite from the Destricella mine Circulation Manager & Staff Photographer Christi...“the Dragon”), 22.9 cm, from the Colorado Quartz mine, Mariposa County, California. Collector’s Edge specimen...in 1960, they collected on some Michigan copper mine dumps and stopped at many roadside rock shops, where...TRINCHILLO TOURMALINE WITH LEPIDOLITE Cruzeiro Mine, Brazil 16 cm | w w w.FineMineral.com MINERALS | | | Book (edition) | Turquoise, polished. 55 mm, ZhiJandy, Kazakhstan, G Galena, 45 mm, Madan, Bulgaria, G SphaJerite. xx 12 mm...Back cO\·erphoto: Wolframite. 45 mm. Yaogangxian, China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil,...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO | | | Report (volume) | ores of the GhoriajhorMonmunda area, Sundergarh District, Orissa, India: geochemical evidence for a mixed...Late Proterozoic glaciation was most widespread in China. Three episodes are recorded of which the second...occur at Xiangtan, Minle, Datangpo, Guchen, Tangganshan, and other areas (Fan et al. 1992; Table 7)....Nantuo ice age Xiangtan, Minle, Datangpo, Tangganshan, China Interglacial transgressive sequence; Mn...1991). The Middle Ordovician Taojiang deposit, China, is the only well-documented economic concentration |
|