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BA part 1st geog Paper ii
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· As industrial waste, tailings IOTs can be mixed with bentonite and bauxite and subsequently sintered into ceramsite. Under sintering at 1120 °C, ceramsite with 60- wt% IOTs, 30- wt% bentonite, and 10- wt% bauxite showed an optimal cylinder compressive strength of 10.53 MPa, bulk density of 917.84 kg m −3, 1-h water absorption of 9.9%, and porosity of 14.33%
· Samarco Mineração S.A. Samarco has met the licensing requirements to restart operations at its Germano complex in Minas Gerais and its Ubu complex in Espírito Santo, Brazil, and has commenced
is a non-fungible commodity, and its quality varies. To help facilitate price adjustment for differences between expected and delivered product specifications, PRAs have developed value-in-use VIU indices for the key price-affecting chemical components of
E.R. Ramanaidou, M.A. Wells, in Treatise on Geochemistry Second Edition, 2014. 13.13.5 Summary. and its final product, steel, are arguably the most historically social and economically significant commodity of the last three millennia. Matched with the increased demand for higher grade material, changes in the economic viability of deposits have seen
· The report also analyses factors affecting the countrys demand for and profiles the major producers. Indias is estimated to
· This is a list of countries by based on U.S. Geological Survey data
· In 2019, U.S. mines produced 48 million metric tons of . Australia led with 930 million tons, followed by Brazil with 480 million tons. In 2019, global prices for
Statistics Facts Statista, Nov 13 2019 thus the supply of is an important factor for the global economy based on the of usable australia and brazil are some of Global Of India