 | | 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: |
 | | Journal (article/letter/editorial) |
| Manganese Group is described by De La Hunty (1963) as pyrolusite, cryptomelane, braunite, and wad. Microscopic...of its occurrence in the Dounan manganese deposit, People's Republic of China, and also by Serdyuchenko...studies of Precambrian manganese deposits. The Dounan deposit appears to belong to the orthoquartzite-glauconite-clay...McGraw-Hill, New York, N.Y., 713 pp. Su Junhua, 1983. Dounan Manganese Deposit - A braunite deposit of sedimentary |
 | | Journal (article/letter/editorial) |
| roman6chite cryptomelane manganomelane** lithiophorite pyrolusite ramsdellite diaspore gamagarite ephesite amesite...Jacobsite Braunite E Partridgeite Bixbyite Pyrolusite Ramsdellite Lithiophorite Cryptomelane Roman~chite...roman~chite, cryptomelane, lithiophorite and pyrolusite formed at this time (Fig. 2). Petrography The...are common (Fig. 5D). In one sample from Glosam mine, flame-shaped intergrowths of Ca-poor silica-deplete... Gamagarite, in a unique occurrence from Glosam mine, occurs as clusters of needle-shaped crystals (up |
 | | Journal (article/letter/editorial) |
| shore of Lake Halvtron, near Grythyttan, OÈrebro county (lat. 59°40.2¢N, long. 14°36.8¢E). Geological...limited prospecting work has been carried out at the mine. The total production of Fe and Mn ore is estimated...(only dump and museum material was available as the mine itself is long since ¯ooded) or taken directly from...Baker 1992). Rocks that have been sampled close to mine sections, and therefore occur in proximity to the...Filipstad-type granite that is exposed >10 km away from the mine postdates the main metamorphic event (LundstroÈm |
 | | Journal (article/letter/editorial) |
| between 1800 and 900 Ma, Wafangzi in northeastern China, which formed at about 1100 Ma. This mid-Proterozoic...Rhodochrosite Braunite Cryptomelane Manganite Pyrolusite Hausmannite Psilomelane Amorphous oxides Kutnahorite...critiquing the manuscript. Any remaining errors are mine. Thanks to my students at Cincinnati and in South...tephroite-bearing rocks from the Hoskins manganese mine, New South Wales, Australia: Neues Jahrbuch für...the Proterozoic Wafangzi ferromanganese deposit, China: ECONOMIC GEOLOGY, v. 87, p. 1430–1440. Fan, D-L |
 | | Report (edition) |
| time, as may be seen in the fine sections between Dounan Bay and Saltpans Bay on the west coast of the Rinns...boundary fault is well exposed about the middle of Dounan Bay, and numerous branch faults are responsible...sandstones are in places trav ersed by narrow veins of pyrolusite. From near Wamphray, breccias and sandstones...near Langholm. Manganese.Small quantities of pyrolusite have been found in the Leadhills, and narrow |
| | Report (edition) |
| time, as may be seen in the fine sections between Dounan Bay and Saltpans Bay on the west coast of the Rinns...boundary fault is well exposed about the middle of Dounan Bay, and numerous branch faults are responsible...are in places trav¬ ersed by narrow veins of pyrolusite. From near Wamphray, breccias and sandstones...near Langholm. Manganese. Small quantities of pyrolusite have been found in the Leadhills, and narrow |
 | | Report (edition) |
| fine sections ORDOVICIAN 29 exposed between Dounan Bay and Saltpans Bay on the west coast of the Rinns...boundary fault is well exposed about the middle of Dounan Bay, and numerous branch faults are responsible...sandstones are in places traversed by narrow veins of pyrolusite. From near Wamphray, breccias and sandstones...near Langholm. J11anganese.-Small quantities of pyrolusite have been found in the Leadhills, and narrow |
 | | Report (volume) |
| so far reported. Zoisite in eclogite from Su-Lu, China has up to 3.2 wt% SrO (Nagasaki and Enami 1998)...Cordier L (1803) Analyse du Minéralconnu sus le nom de Mine de Manganese violet du Piédmont, faite au Labratoire...(1956) Manganiferous epidote from the Kakinomoto Mine, Kochi Prefecture. J Min Soc Japan 2: 331-346 (quoted...metamorphic rocks from the Su-Lu province, eastern China: an important Sr reservoir under UHP conditions...chemical study of piedmontite from Shadow Lake, madera County, California. Am Mineral 18:493-500 Smelik EA, Franz |
