 | | Report (issue) | | Hammerbeck, South African Council for Geoscience; Michael Bowles, Geological Survey of South Africa; Gregory...category ........ Estimated cumulative and annual mine production of tungsten contained in ore and concentrate—...David Sinclair,2 and Earle B. Amey3 ABSTRACT Scheelite and wolframite are the principal minerals currently...also recovered from placer deposits. Most current mine production of tungsten is from vein/ stockwork,...accounted for over three-fourths of the world’s mine production of tungsten. China alone produced about |  | Goldfarb, Richard J., Taylor, Ryan D., Collins, Gregory S., Goryachev, Nikolay A., Orlandini, Omero Felipe (2014) Phanerozoic continental growth and gold metallogeny of Asia. Gondwana Research, 25 (1) 48-102 doi:10.1016/j.gr.2013.03.002 | Journal (article/letter/editorial) | | Ave., Chaoyang District, Beijing 100022, China e North East Interdisciplinary Science Research Institute...margins of the Siberia, Kazakhstan, North China, Tarim–Karakum, South China, and Indochina Precambrian blocks...the Siberia craton; (2) the 450 Ma Charsk belt of north-central Kazakhstan; (3) the 310–280 Ma Kalba belt...Mongol–Okhotsk Ocean between Siberia and Mongolia/North China; (6) the probable Late Silurian–Early Devonian...along the SW margin of the North China block developed during collision of South China; and (8) Jurassic( |
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