Sentences with phrase «of uranium deposits»

The real crime that was committed was a direct violation of export controls that gave control of 20 % of the uranium deposits belonging to the United States to parties closely affiliated with the Russians.
Villains have stolen a jeweled crest containing a map which shows the location of a uranium deposit.

Not exact matches

Toro Energy has received the environmental watchdog's backing to mine two additional deposits at its Wiluna uranium project, subject to a number of strict conditions.
The JV covers a sequence of altered rocks adjacent to the Mary Kathleen shear zone that is rich with known deposits to the north and south, including copper, gold, uranium and rare earths.
At Mount Philip, Hammer is targeting iron oxide - copper - gold - uranium of similar style to the Olympic Dam deposit in S.A.
Its motherlode consists of extraordinarily high - grade uranium deposits in Saskatchewan: the McArthur River and Cigar Lake deposits account for roughly 80 % of its proven and probable reserves.
All applications contain known occurrences of uranium in geological environments and styles of mineralisation similar to both the Rössing and Langer Heinrich deposits, Bannerman said.
The applications cover three areas within the central zone of the Damara Orogen, which hosts several uranium deposits.
In discussing the regional geology (p. 807) and age (p. 811) of the Koongarra uranium deposits, Snelling 2 describes their geological history in fairly technical terms, however, to avoid the charge we lay against the creationists, of taking quotations out of context, I will quote Snelling 2 verbatim from the paper (p. 807):
The latest paper by Snelling 2 (1990, 807 -812) is a detailed technical account of the «Koongarra Uranium Deposits» in the Northern Territory.
Depending on shifting cave conditions and varying amounts of uranium drainage from mineral deposits, this method can over - or underestimate when rock art was created, the scientists argued.
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.
A pair of autonomous robots developed by Carnegie Mellon University's Robotics Institute will soon be driving through miles of pipes at the U.S. Department of Energy's former uranium enrichment plant in Piketon, Ohio, to identify uranium deposits on pipe walls.
Conventional wisdom has told us that uranium within ore deposits is mostly found in the form of uraninite, a crystalline mineral.
«A new twist on uranium's origin story: Mineral deposits in Wyoming have revealed a new form of biologically produced uranium
Borch, working on an unrelated experiment studying the composition of uranium at mined and unmined sites in Wyoming, surmised that this biogenic (of biological origin), non-crystalline uranium might occur naturally within ore deposits.
They also contain deposits of opaline, a material that's very promising for uranium - series dating.
More troublesome, according to some experts, is the rapid decline of highly concentrated uranium deposits.
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 element later turned up in uranium ore deposits, where natural radioactivity can produce traces of plutonium.
The thin calcite deposits on cave art can be contaminated by new flows of uranium - containing water, dust, or other detritus, making the art seem older than it is, he and his colleagues argued.
In fact, most of the mining is done via remote control, because the McArthur River deposit is so rich: more than 20 percent triuranium octaoxide (U3O8), the most common form of uranium found in nature, according to Cameco.
Such uranium deposits in Canada, Australia and Kazakhstan comprise the bulk of the world's known supply — although uranium is a ubiquitous atom that can even be derived from seawater.
According to the complaint and his online biography, Snelling obtained a doctoral degree in geology from the University of Sydney in 1982 and began his career by studying the Koongarra uranium deposit in Australia's Northern Territory.
The identified uranium isotope signatures could in future be used commercially to detect unknown uranium deposits and help understand processes of uranium mobility.
Two billion years ago parts of an African uranium deposit spontaneously underwent nuclear fission.
Fission in the uranium created a smaller deposit of plutonium, which decayed back into uranium.
These contain traces of the radioactive elements uranium and thorium, which indicate when the deposits formed — and therefore give a minimum age for whatever lies beneath.
The uranium - thorium method involves dating tiny carbonate deposits that have built up on top of the cave paintings.
These contain traces of the radioactive elements uranium and thorium, which indicate when the deposits formed - and therefore give a minimum age for whatever lies beneath.
Though thorium and uranium processing and regulation are often handled in the same manner and natural uranium may have been associated with the local thorium or gold deposits, determination of the relationship between actual pollutants and health risks of concern is essential to a solution to Baley's problem.
Known recoverable uranium resources in unmined ore deposits by country as of 2004 are shown in Table 1.
Russian UET resources with 311,000 tonnes of uranium, as well as the remaining Russia «excess» HEU with 108,000 tonnes of uranium, could continue to offset demand for primary uranium from unmined ore deposits, and could reduce the likelihood that new mines such as those proposed near Church Rock and Crownpoint in New Mexico would be mined in the future.
The data show that uranium ore deposits yet to be mined contain more than 3,500,000 tonnes («tonnes,» or «metric tons,» weigh 1000 kilograms or 2200 pounds, 10 % more than a 2000 pound «ton») of uranium.
For comparison, the Church Rock and Crownpoint uranium deposits hold about 20,000 tonnes of uranium.
U.S. UET contain more than 20 times the amount of uranium in the yet - to - be mined Church Rock and Crownpoint deposits.
The scientists found tiny carbonate deposits that contained traces of the elements uranium and thorium on the cave paintings.
About 2 billion years ago, 3.7 % of all uranium worldwide would have been 235U, enough for uranium deposits to «go critical» if other factors were favorable.
Why hundreds of other uranium ore deposits did not become natural reactors is a mystery.
Scattered uranium deposits had been found in remote and inaccessible locations, including Siberia and parts of Tajikistan.
Is there irony in the fact that this barren Utah desert, where the story takes place, holds the promise of great wealth from its uranium deposits?
In the race for the atomic bomb in the lead up to World War II, the Allies had effectively secured most of the world uranium ore deposits under their power.
In the richness of these deposits and the effects of uranium poisoning?
Specifically, the team analyzed the variations of the uranium isotopes found in these sedimentary deposits.
In - situ leaching (ISL), also called in - situ recovery (ISR) or solution mining, is a process of recovering minerals such as copper and uranium through boreholes drilled into the deposit.
It is encouraging mining companies to exploit the deposits of gold, silver, zinc, diamonds, uranium and other minerals and metals found in abundance in the vast areas of the enormous Nunavut Territory, as well as the Yukon and Northwest Territories.
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