Sentences with phrase «ore grades»
The phrase "ore grades" refers to the amount or concentration of valuable minerals or metals found in rocks or soil. It helps determine the economic value of a particular deposit, indicating how much of the valuable material can be extracted from a given amount of ore. Full definition
At present consumption rates, he predicts (in a report he prepared for the U.K. Parliament in 2005) that the industry - wide average ore grade will fall below 0.1 percent — or one metric ton of uranium for every 1,000 metric tons of nonuranic material — within the next decade.
scientificamerican.com
«Declining ore grades for copper, continued lack of investment in new mines and the time required to bring new discoveries to production will constrain metal availability and, ultimately, the metal sector's ability to meet growing demand from automakers for battery electric vehicle production,» Carol Cowan, a Moody's Senior Vice President wrote.
Mining is traditional drill and blast method with ore graded and stockpiled according to its mineralogical characteristics and grade.
Record gold production at Peñasquito in Q2 was because of higher mill throughput and higher ore grades.
hydro is a major methane source, wind turbines use 100 X more copper than fossils offshore turbines use 1000 X more copper 2010 copper ore grades were 30 lbs / ton of rock 2016 coppor ore grads were 3 lbs / ton of rock solar and wind products last 30 years tops 100 % energy transitions take 70 minimum solar and wind break down 2X faster than we can tranistion Stefan Rahmstorf says our emissions must go down 100 % in 20 years to stay under 2 C.
The reason for Australia's third - ranking iron ore miner traditionally being seen more as prey than predator is a function of its once sky - high debt levels, uncertainty about its ore grade, and a belief that at some point Forrest would be tempted to cash out of the company he created.