For establishing rational farming mechanism, it is essential to know the relative contribution of different geological background and anthropogenic activities to trace elements in agricultural soil.

Fig. 1. Locations of samples returned from the Moon. Model ages of mare deposits [1] were based on superposed crater densities and the Neukum crater chronology [23]. The Moon had a much higher impact ...

The first stop of the HMS Beagle in January 1832 was Quail Island (today Island of Santa Maria), a small island located in the bay of Praia of the larger island of St. Jago (today Santiago in the Cape ...

In a recent paper, US Geological Survey (USGS) geologists Geoff Ellis and Sarah Gelman estimated large potential for—and large uncertainty about—the amount of hydrogen accumulations in the world. “We ...

To differentiate soils that, in their natural state, contain high levels of potentially hazardous elements from those that might be contaminated by human activity, scientists need data. So 10 years ...

Science, founded by Thomas A. Edison in 1880 and published by AAAS, today ranks as the world's largest circulation general science journal. Published 51 times a year, Science is renowned for its ...

Westerly’s underground granite deposits are the residue of a massive two-continent collision about 275 million years ago. As the land masses on the earth’s surface were jockeying for position, the one ...

Sandstone-type uranium deposits account for 27% of the uranium reserves and 49% of uranium supplies worldwide. These uranium deposits are sizable, easy to mine, of high economical value, and ...