Sentences with phrase «rock deposit in»

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.
«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.
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.

Not exact matches

The present mineral resource estimate for Barrambie is 47.2 million tonnes grading 22.2 % titanium dioxideand 0.63 % vanadium pentoxide making it one of the highest - grade hard rock titanium deposits in the world.
We gained another big achievement when we established an agreement with one of the safest Bitcoin wallets in the industry, GreenAddress: our exchange uses only multisig addresses and it allows zero - confirmation Bitcoin deposits, making it even faster to transfer the funds from your wallet to The Rock Trading.
This crustal weakness allowed unusually high heat flow from deeper mantle sources to «super-heat» the highly organic Niobrara source rocks, which in turn generated the significant oil and gas deposits now contained in the Niobrara and Codell formations.
Marbles in metamorphic aureoles and iron - rich skarns appear to be favored sites for gold mineralization in these deposits, perhaps due to the rheological character, permeability after fracturing, and chemical reactivity of those rocks to alteration by hydrothermal fluids.
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.
The occurrence of sedimentary basement rocks at shallow levels beneath the gold workings also presents a target for high - grade mineralization proximal to the basement unconformity, similar in style to the Hishikari deposit in Kyushu.»
However an examination of other articles by the same author in Ex Nihilo reveals that, to Snelling 1, everything geological (Ayers Rock, Mt Isa ore deposits, Bass Strait oil and gas, Queensland coal deposits, Great Barrier Reef, etc.,) can be explained as the result of Noah's year - long Flood.
It is sedimentary rock, a limestone born from the deposits of sediments in a marine environment.
App State, as it's known in conference, play in picturesque, inhospitable, 16,500 - seat Kid Brewer Stadium, a.k.a. the Rock, where students tore down the goalposts last Saturday night, then deposited one of them on the front lawn of chancellor Kenneth Peacock.
You've finally made it through «The Witching Hour,» rocked your baby to sleep for a half an hour, (which felt more like three hours) and at last deposited him in his crib, cranking the white noise machine up a notch before you tiptoe out the door.
At those outcrops, the researchers calculated the percent of mud rock in the overall deposit by measuring the thickness of the muddy layers compared with the thickness of layers containing larger grains such as sand.
So geologists William McMahon and Neil Davies, both of the University of Cambridge, decided to look for when amounts of mud rock began increasing in 704 ancient river deposits from 3.5 billion to 300 million years ago.
The researchers searched through nearly 1,200 published papers for data on mud rock in river deposits, and collected new field data at 125 ancient river outcrops.
Analyses of thin mineral deposits partly covering painted cave areas provided minimum age estimates for the art, based on known decay rates of radioactive uranium in the rock.
Thirty to forty rock and sediment core samples, each about 15 grams, will be hermetically sealed in titanium tubes and deposited in a safe location on the surface of Mars for possible retrieval by a future mission.
In mountaintop mining, companies use explosives and heavy machinery to clear away surface rocks and extract shallow deposits of high - quality coal.
The icy deposits appear to be patchy and thin, and it's possible that they are mixed in with the surface layer of soil, dust and small rocks called the regolith.
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.
Any leftover debris and crushed rocks are deposited in neighboring valleys, creating «valley fills» that can stretch for long distances and bury entire streambeds.
Sediment dynamics play an important role in shaping the Amazon's fluvial landscape, moving and depositing sand, rocks, soil, and nutrients from the Andes to the rest of the Amazon basin.
The majority of this wastewater is ancient ocean brine that was trapped in rock layers along with gas and oil deposits.
The deposits are exposed in cross section as relatively pure water ice, capped by a layer one to two yards (or meters) thick of ice - cemented rock and dust.
Ongoing threats to areas downstream include: a large rock slide from the headscarp into the sag pond, another failure of the rock - slide slump block, a rapid release of water from the sag pond, and rapid or slow movement of the avalanche deposit (shown in lower photo).
At the high temperatures and pressures found at depth, it reacts with silicate minerals in rocks to form a carbonate deposit.
That could explain two other anomalies from the era's geologic record, Lenton says: the large amounts of organic - rich shale that were deposited as nearshore sediments and the unusually high proportion of carbon - 13 isotopes in the rocks.
The Paleocene - Eocene warming is recorded in the banded, flood - deposit tan and rusted red rock and soil layers of the Willwood formation, specifically within round, gray to brown - gray carbonate nodules in those rocks.
«From now on, continues Castelltort, we know that by calculating the ratio between 13C and 12C sampled in similar slope deposits close to continents, we can have an indication of the sea level, which means it's possible to better predict the distribution of sedimentary rocks in our subsurface.»
The insight suggests that remote sensing could be used to find new deposits in rocks where fault jogs are common
Hydraulic fracturing, or fracking, coupled with horizontal drilling, has unlocked large gas deposits in shale rock, which had been long recognized but weren't profitable to extract until about a decade ago.
He bases his argument on the finding that unusually high levels of osmium - 187 have been found in sulphide rocks in the deposits.
The dunes also appear to have evolved similarly to those found on Earth, in that the original rocks have been deposited from somewhere else by volcanoes, oceans, rivers, etc. and then moved, shaped, and ground up by wind.
«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.
LIFE will test an idea called transpermia, in which organisms «could be ejected off one planet in impacts, travel through space inside rocks, then be deposited on another world», says Bruce Betts, LIFE's lead scientist.
The crater was filled - in with fragmented rock, and later with more typical ocean deposits, as the energy from the impact lessened and the environment returned to normal.
This phosphorus is mined from phosphate rock, the main deposits of which are located in just three countries and whose output will be tapped in 50 to 100 years, researcher Stewart White explained to Miller - McCune:
Lead author Martin Kennedy at the University of California, Riverside, and colleagues collected limestone and dolomite rocks from Precambrain glacial deposits in northern Namibia, central Australia and the North American Cordillera.
Banded iron is the iron - rich rock found in ore deposits worldwide, from the proposed iron mine in Northern Wisconsin to the enormous mines of Western Australia.
A younger volcanic deposit lying in the rock above these fossils includes zircons, tiny bits of silicate mineral that often contain trace amounts of uranium.
The method has been proven robust for dating corals and larger rock formations in caves and has recently been adapted to date thin deposits of carbonate on rock art.
As of now, the reason for the deposits is unknown, but the presence of oxygen in the lunar rock would make those sites attractive for future moon missions, even for human colonies, which could use the oxygen for breathing and as a rocket - fuel component.
Rock in a landslide breaks up and expands, so Moore estimated the landslide deposit had a volume of 65 million cubic meters (2.3 billion cubic feet).
These could be places where water flowed through cracks in the rock, leaving mineral deposits behind, although the rover has not yet measured their composition.
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.
«Because clay minerals make up the bulk of sediment deposited today, we are saying that it should be largely absent in ancient rocks
When I was working in Oman, I saw these really blue, alkaline rock pools with white deposits at the bottom.
Whereas the tailed frogs deposit their fertilized eggs under rocks in streams, the other frogs previously known to have internal fertilization give birth to froglets — miniature replicas of the adults.
Years of blowing away mountain ridges in search of coal and depositing the excess rock in nearby valleys have dramatically flattened the landscape in parts of Central Appalachia.
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