Sentences with phrase «heinrich uranium deposit»

It opts not to include nuclear energy, which — while emission - free — relies on finite uranium deposits.

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.

The region hosts the world's largest open cut uranium mine at Rössing, majority owned by Rio Tinto, and Paladin Resources» Langer Heinrich uranium deposit.

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.

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.

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.

Finding the uranium deposits, necessary before DOE decontaminates, decommissions and demolishes the facility, is a herculean task.

Scientists sampled a 650 - foot deep sediment core from roll - front uranium deposits at an unmined site at Wyoming's Smith Ranch Highlands.

A rush to develop domestic oil, gas and uranium deposits along the Colorado River and its tributaries threatens its future

More troublesome, according to some experts, is the rapid decline of highly concentrated uranium deposits.

But mining companies are interested in its uranium deposits, and pushed successfully to exclude the canyon in the monument.

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.

EPA Project Summary - Trace and Potentially Toxic Elements Associated with Uranium Deposits in South Texas, March 1983.

For comparison, the Church Rock and Crownpoint uranium deposits hold about 20,000 tonnes of uranium.

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.

Villains have stolen a jeweled crest containing a map which shows the location of a uranium deposit.

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?

China's fast - growing nuclear industry has complained that vital uranium deposits might be contaminated by coal mining: others fear that uranium - contaminated coal could be being burned in power stations, showering radioactive dust on the surrounding countryside and its inhabitants.

The two companies had signed a confidentiality agreement in connection with a visit to a Hathor - owned 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.

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.

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.

At some later date (but after the reverse faulting) the Koongarra uranium mineral deposit forms, perhaps in several stages, first between 1650 - 1550 million years ago, and later around 870 and 420 million years.

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.

Uranium, the radioactive element that fuels nuclear power plants and occurs naturally in the Earth's crust, is typically mined from large sandstone deposits deep underground.

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.

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.

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.