paleosols and weathering rinds. In either case

alluvial fan is a composite alluvial fan composed of the debris-flow deposits during the episodic flood period and the braided river sediments during the intermittent flood period.

production of the Triassic Yanchang Formation in the Ordos Basin exceeds 3500×104 t. However

Representatives of the subfamily Lonsdaleiinae Chapman, 1893 are common in the Mississippian of the western Palaeotethys. A general analysis of the origin

Celadonite and glauconite are comparable in terms of physical