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Some uranium ore bodies contain higher concentrations of certain elements, such as selenium, than the surrounding host rock in which they are found. Certain plants that concentrate these elements act as indicator species for likely ore body locations. Mapping these plants provides information about areas in which further prospecting should be done.
Uranium in the environment is a global health concern, and comes from both natural and man-made sources. Beyond naturally occurring uranium, mining, phosphates in agriculture , weapons manufacturing, and nuclear power are anthropogenic sources of uranium in the environment.
Natural uranium (NU or U nat [1]) is uranium with the same isotopic ratio as found in nature. It contains 0.711% uranium-235 , 99.284% uranium-238 , and a trace of uranium-234 by weight (0.0055%). Approximately 2.2% of its radioactivity comes from uranium-235, 48.6% from uranium-238, and 49.2% from uranium-234.
Nuclear power plant set in a field of flowers with children looking on. Image source: Getty Images. ... someone like Cameco (NYSE: CCJ) mines natural uranium, which contains about 0.7% of the ...
Plants absorb some uranium from soil. Dry weight concentrations of uranium in plants range from 5 to 60 parts per billion, and ash from burnt wood can have concentrations up to 4 parts per million. [30] Dry weight concentrations of uranium in food plants are typically lower with one to two micrograms per day ingested through the food people eat ...
Naturally occurring radioactive materials (NORM) and technologically enhanced naturally occurring radioactive materials (TENORM) consist of materials, usually industrial wastes or by-products enriched with radioactive elements found in the environment, such as uranium, thorium and potassium and any of their decay products, such as radium and radon. [1]
This is when uranium glass reached the height of its popularity in the United States between 1958 and 1978, with more than 4 million pieces of decorative uranium produced, according to Oak Ridge ...
Former Atomic Gardening Society President Muriel Howorth shows popular garden writer Beverley Nichols a two-foot-high (61 cm) peanut plant grown from an irradiated nut in her own backyard. Atomic gardening is a form of mutation breeding where plants are exposed to radiation. Some of the mutations produced thereby have turned out to be useful.