The bulk elemental composition of soil subsurface (B) horizons is influenced by
environmental, biological, geological, and climatic factors. Because fossil soils (paleosols) …

Abstract The Pliocene Epoch is a focus of scientific interest as a period of sustained global
warmth, with reconstructed CO 2 concentrations and a continent configuration similar to …

Dune fields on the Southern High Plains such as the Monahans in West Texas are archives
of Quaternary environmental variability. Stratigraphic analyses and sixty-one optically …

Modern physical and chemical soil properties can favor or exclude C 3 and C 4 plants, yet
little is known regarding these relationships from deep-time records that track the evolution …

Paleozoic sedimentary rocks in the southern midcontinent of the United States have been
affected by multiple events of deformation and fluid flow, resulting in petroleum migration …

Nonmarine ostracodes (microscopic crustaceans) are useful microfossils with hydroclimatic
significance as proxies for past hydrologic conditions. This study presents a preliminary …

The enamel of teeth may be corroded after death, especially if the teeth pass through the
digestive tract of a predator with low gastric pH. This study characterized enamel corrosion …