Since their introduction in the late 1970s, sequential extraction procedures have
experienced a rapid increase in use. They are now applied for a large number of potentially …

The demand for metals is ever increasing with the advancement of the industrialized world.
On the other hand, worldwide reserves of high grade ores are close to depletion. However …

The total organic carbon (TOC) content of organic-rich shale is a key parameter in screening
for potential source rocks and sweet spots of shale oil/gas. Traditional methods of …

Large part of available literature on biogeochemistry of uranium and thorium refers to the
studies performed either in highly contaminated areas or in nutrient solutions that have been …

The oil source rocks of the Chang 7 member of the Yanchang Formation in the Erdos Basin
were deposited during maximum lake extension during the Late Triassic and show a …

Isothermal subcritical water extraction technique was used to extract organic matters from
Huadian oil shale under different extraction conditions. The effects of particle size, extraction …

A study of transfer of naturally occurring radioactive materials (NORM), thorium, uranium and
their progeny, from soil to wild plant species was performed to evaluate the environmental …

Abstract The Zhiluo Formation in the Tarangaole area is a part of the Dongsheng uranium
ore-field in the northeast Ordos Basin, China. Uraniferous sandstones from this formation …

Industrial areas in proximity to the Vodny settlement in the Komi Republic, Russia, have
been contaminated by uranium mill tailings and radium production wastes. These areas …

Numerous natural and anthropogenic processes in a watershed produce the geochemical
composition of a river, which can be altered over time by snowmelt and rainfall events and …