During the 2.6 million year Quaternary Period, the climate repeated a glacial and interglacial cycle, caused by changes in the geographical distribution of solar radiation due to orbital changes ...
A team of scientists led by LIU Wu and WU Xiujie from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences reported the first ever Middle ...
Like any group, geologists divide and subdivide their world. Central to this splitting is time, with eras, periods, epochs, and ages, such as Mesozoic, Cretaceous, and Maastrichtian. Each delineation ...
The tundra muskox, one of the few large northern mammals to have survived to the present day, saw its genetic diversity decrease greatly at the end of the Pleistocene period, around 10,000 years ago.
The possibility that future warming will cause destabilization of the GIS has motivated the use of geological records to estimate the climate sensitivity of the GIS. Terrestrial studies 2,3 have ...
A muskox (Ovibos moschatus), photographed in Alaska. From Flickr user drurydrama. Of all the mass extinctions that have occurred during earth's history, among the most hotly debated is the one which ...
In the Albuquerque area, New Mexico, an early Pleistocene (Irvingtonian, about 1.2 to 1.4 mya) ash bed in the Sierra Ladrones Formation of the Santa Fe Group contains an extensive fossil flora of ...
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