Sentences with phrase «rock deposits»

The Corporation is developing in Quebec one of the most important spodumene lithium hard rock deposit in the world, both in volume and grade.
With ALB and Sichuan Tianqui (002466: SHE) controlling the Greenbushes hard rock deposit in Australia in a 49 % -51 % split (through ALB's acquisition of Rockwood), the product from the mine that formerly went to converters in China, now stays within the ALB / Tianqui supply chain.
By looking at the chemistry of rocks deposited during that time period, specifically coupled carbon and sulfur isotope data, a research team led by University of California, Riverside biogeochemists reports that oxygen - free and hydrogen sulfide - rich waters extended across roughly five percent of the global ocean during this major climatic perturbation — far more than the modern ocean's 0.1 percent but much less than previous estimates for this event.
June 30 2011: The French parliament voted to ban the controversial technique for extracting natural gas from shale rock deposits known as hydraulic fracturing, or fracking.
Hard rock deposits by and large are not economic at current spot (or term) uranium prices, so if you see uranium at $ 75 or $ 80 per pound in the coming years (I don't), purchasing shares in hard rock uranium development companies could lead to gains.
By investigating the mercury content of sedimentary rocks deposited during the extinction, the study findings revealed clear links in the timing of CAMP volcanism and the end - Triassic extinction.
About two dozen or so fossils of the creature have been recovered, all of them from 240 - million - year - old rocks deposited as sediment on the floor of a shallow, 5 - kilometer - long lake in what is now southern Germany.
«Excavating plant fossils preserved in rocks deposited during the last days of the dinosaurs, we found some preserved with abundant fossilized charcoal and others without it.
In just 5 - 10 million year the Colorado river eroded one vertical mile of mostly sedimentary rocks deposited over nearly two billion years.
Carbonate rock deposits found within the mountain ranges of south - central Nevada, USA, record evidence of a catastrophic impact event known as the Alamo impact.
However, it is clear that the Chancellor made a huge mistake in rejecting the Lloyds TSB bid before the run on Northern Rock and that he should have guaranteed the Northern Rock deposits earlier.
While conducting paleontological research in northeastern Mexico, the scientists came upon sedimentary rock deposited toward the end of the Cretaceous Period that evidenced an enormous diversity of fossils, including the tracks of birds, dinosaurs and pterosaurs.
Ward and Delph calculated their plutonic - to - volcanic ratio by comparing the volume of regions where seismic waves travel extremely slowly beneath volcanically active regions, indicating some melt is present, with the volume of rock deposited on the surface by volcanoes.
Geologists also say that fracking - a controversial technique for extracting natural gas and oil from underground rock deposits - could be one of the causes.
Around 20 million tonnes of phosphorus is mined from rock deposits annually and about half of this ends up in the ocean — about eight times the natural influx — where it contributes to blooms and dead zones.
Here, giant rocks deposited by ancient volcanoes shelter sea pools and grottos teeming with marine life.
At the same time, the sometimes loosely governed rush to liberate this fuel from rock deposits through hydraulic fracturing, or «fracking,» has helped invigorate opponents of drilling.
Tight oil is a type of oil found in impermeable shale and limestone rock deposits.
Methane is trapped in the same rock deposits as tight oil and is also freed by fracking.
The most productive coastal upwelling area of the modern ocean is the Benguela upwelling system off south - western Africa, an area that is considered to represent an important modern analogue of petroleum source rocks deposited in the geological past.
They also found that the type of gas detected at high levels in the water was the same type of gas that energy companies were extracting from shale and rock deposits thousands of feet underground.
The day prior Quebec's environmental review board released a report finding that there are «too many potential negative consequences to the environment and to society from extracting natural gas from shale rock deposits along the St. Lawrence River.»
Amazing to think how, in just about 5 - 10 million years, the apparently small Colorado river eroded away one vertical mile of rocks deposited over 1.8 billion years!
At an average grade of 1.53 % Li2O, it is the second richest hard rock deposit in the world.
«Dinosaur remains from the Arabian Peninsula and the area east of the Mediterranean Sea are exceedingly rare because sedimentary rocks deposited in streams and rivers during the Age of Dinosaurs are rare, particularly in Saudi Arabia itself» says Dr Tom Rich from Museum Victoria in Australia.
Fracking is a drilling technique used to access energy reserves that are trapped deep underground in shale rock deposits.
The company is developing in Québec one of the most important spodumene lithium hard rock deposits in the world, both in terms of volume and grade.
Scientists analyzing the texture of the rocks deposited by the landslides say they were transported by liquid water, water ice, or mud.
Acritarchs are found in rock deposits that were once marine and terrestrial aquatic environments, and have been described from localities on all continents, as well as from all time periods from the Proterozoic eon (starting 2
In this release, most activities will focus on finding gold, mining it from streams and rock deposits, and grouping with other players to establish mining camps before then transporting hard - earned gold to towns to be sold for in - game currency.
Mine operators often employ a process known as cyanide leeching, whereby cyanide, a highly toxic chemical, is mixed with water pulled from local supplies and applied to rock deposits to extract the gold within them.
This infusion of liquid breaks up the rock deposits to free oil and natural gas for extraction.
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