Micromorphological analysis of sediments from the Middle Stone Age site of Sibudu Cave,
KwaZulu-Natal, South Africa, provides a high-resolution sequence and evidence of site …

Artifacts are objects> 2 mm, whereas microartifacts are 0.25–2.0 mm, in size that were
produced, modified, or transported from their source, by human activity. Artifacts are typically …

Wildfire has been implicated as a potential driver of deforestation and continental
biodiversity loss during the end-Permian extinction event (EPE;∼ 252 Ma). However, it …

The end-Triassic mass extinction event (∼ 201.4 million years ago) caused major faunal
and floral turnovers in both the marine and terrestrial realms. The biotic changes have been …

Paleogene Huangxian Basin which lies in Eastern China contains deposits of many types of
coal and shale associations. The sedimentary models of coal and shale associations are …

The coalification rank of the coal blend components and their caking properties initially
impact the coke's quality. In part, the quality of coke depends on the technological …

Certain Central Appalachian coals, most notably the Fire Clay coal with a REY-enriched
volcanic ash fall tonstein, are known to be enriched in rare earth elements. The Fire Clay …

This study presents recently collected data examining the organic petrology, palynology,
mineralogy and geochemistry of the Gray Hawk coal bed. From the Early Pennsylvanian …

Abstract The Shillong Plateau is a unique basement‐cored uplift in the foreland of the
eastern Himalaya that accommodates part of the India‐Eurasia convergence since the late …

To better understand the characteristics of coal pores and their influence on coal reservoirs,
coal pores in eight main coalfields of North China were analyzed by mercury porosimetry …