Brian W Jaskula.USGS Mineral Commodity Summaries. . 2010Hedrick JB 2010 Rare Earths. In: USGS Mineral Commodity Summaries, January 2010. (Reston, VA: USGS) pp 128-129USGS-b (2009). "USGS Mineral Commodity Summaries, Cement." http://minerals.usgs.gov/minerals/pubs/commodity/cement/mcs-2009...
回复@踢飞大师: 根据美国地质调查局(USGS)发布的《Mineral Commodity Summaries 2021》报告,2020年全球铁矿石原矿储量约1800亿吨,比上年增加100亿吨。其中,含铁量铁矿石储量在840亿吨左右,占全球铁矿石原矿储量的46.67%,但分布极为不平均。 铁矿石主要集中在澳大利亚、俄罗斯、巴西、中国等地,四个国家占比超过70%。其...
Mineral Commodity Summaries 2001--Titanium and Titanium Dioxide 星级: 2 页 Mineral Commodity Summaries 2002--Stone (dimension) 星级: 2 页 全球矿产品概要(2012年)Mineral Commodity Summaries, 2012 星级: 201 页 世界矿产品概要2013 Mineral commodity summaries 2013 星级: 201 页 usgs mineral res...
Virta [(703) 648–7726, rvirta@usgs.gov] 45 CLAYS Tariff: Item Number Normal Trade Relations 12–31–14 Kaolin and other kaolinitic clays, whether or not calcined 2507.00.0000 Free. Bentonite 2508.10.0000 Free. Fire clay 2508.30.0000 Free. Common blue clay and other ball ...
主要帮助USGS矿产品概要矿产品usgs 系统标签: 矿产品usgsmineralsummariescommodity概要 Feldspar Abrasives Aluminum Antimony Arsenic Asbestos Barite Bauxite Beryllium Bismuth Boron Bromine Cadmium Cement Cesium Chromium Clays Cobalt Niobium Copper Diamond Diatomite Fluorspar Gallium Garnet Gemstones Germanium Gold Graphi...
Mineral Commodity Summaries:https://www.usgs.gov/centers/nmic/mineral-commodity-summaries Rights and permissions Reprints and permissions About this article Cite this article Weber, L., Reichl, C. Mineral statistics—useful tool or needless exercise?.Miner Econ35, 569–586 (2022). https://doi.or...
Mineral Commodity Summaries 2021.Virginia: U.S. Geological Survey, Reston, 2022. Managing Materials for a Twenty-First Century Military, Washington: The National Academies Press, 2008. Melent’ev, G.B., Lithium potential of Russia,Redkie Zemli(Rare-Earths), 2016. http://rareearth.ru/ru/pub...
The USGS Mineral Commodity Summaries publish an annual mine reported variable called value.Footnote 10 The World Bank publishes a monthly cost and freight (CFR) spot price as part of its Commodity Markets data (World Bank 2019). We also consider whether iron ore prices are best reflected in ...
(see, e.g. USGS2021). It has, however, been simplified and adapted to make it easier for politicians and non-technical people to apprehend. Three terms, namely reserves, resources, and geopotential, need to be understood.Reservesof a commodity are the share of the total resources that can...
U.S. Geological Survey (USGS) (ed.) (2017a) Mineral commodity summaries 2017. Online available athttps://minerals.usgs.gov/minerals/pubs/mcs/, last accessed 05.06.2018. U.S. Geological Survey (USGS) (ed.) (2017b) Mineral resources online spatial data. Online available athttp://mrdata....