Sentence examples for ores because of from inspiring English sources
Erythrite, which is used as a guide to the presence of cobalt-nickel-silver ores because of its crimson or peach-red colour, occurs as radiating crystals, concretions, or earthy masses in the oxidized zone of cobalt and nickel deposits.
Pyrargyrite (Ag3SbS3) is one of the most important silver ores because of its abundance and occurrence in mineral deposits; it is refractory to cyanide, and therefore, silver recovery in standard cyanidation processes for precious metals extraction is low.
More sophisticated methods, such as spectrographic analysis, are not suited to assaying precious metal ores because of the large sample required; precious metals tend to occur as scattered particles randomly distributed, so that a large sample of the ore must be taken.
The first stage of biomass processing consists of burning the dry plant to obtain ash, considered as a bio-ore because of its high Ni content (15 20%).
Hematite, also spelled haematite, heavy and relatively hard oxide mineral, ferric oxide (Fe2O3), that constitutes the most important iron ore because of its high iron content (70 percent) and its abundance.
Dry bulk shippers are riding a wave of positive sentiment on Wall Street Wednesday, a welcome relief after last weeks cancellation of 20 shipments of iron ore because of port congestion.
The Cordilleras are rich in ores, mainly because of the immense igneous intrusions that underlie many of their structures.
Gold and copper were discovered in the area by Peter McKenzie in 1903, but his and several subsequent attempts at mining the ore failed because of the region's remoteness.
In recent judgments, India's Supreme Court has also ruled against companies, halting iron ore mining because of rampant corruption and environmental damage, and, in a separate case, protecting a sacred mountain from a London-based miner, Vedanta.
Unfortunately, it is often hard to get iron ore here because of the intense competition.
The simple reason for the dip in commodities prices, these experts say, is that we have too much of a good thing: too much gold; a bumper crop of corn; a glut of iron ore because the big three producers, Rio Tinto, Vale and BHP Billiton have all increased output.
