- A sedimentary formation of lacustrine origin.
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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Chinle Formation — Stratigraphic range: Triassic Chinle Badlands, Grand Staircase Escalante National Monument, Utah, US. Type Geological formation The Chinle is a geologic formation tha … Wikipedia
Bembridge-Limestone-Formation — Die Bembridge Limestone Formation ist eine geologische Formation im Hampshire Becken in Südengland. Sie ist die mittlere Formation der Solent Gruppe und wurde im Oberen Eozän abgelagert. Inhaltsverzeichnis 1 Typlokalität und Vorkommen 2… … Deutsch Wikipedia
Green River Formation — Infobox Rockunit name = Green River Formation caption = type = Geological formation prilithology = varied otherlithology = see text namedfor = Green River (Utah) namedby = region = Rocky Mountains country = United States coordinates = unitof =… … Wikipedia
Nacimiento Formation — The Nacimiento Formation is a sedimentary rock formation found in the San Juan Basin of western New Mexico (United States) and named for the Nacimiento Mountains. It is a heterogeneous nonmarine formation composed of shale, siltstone, and… … Wikipedia
La Amarga Formation — The La Amarga Formation is a geologic formation with outcrops in the Argentine provinces of Río Negro, Neuquén, and Mendoza. It is the oldest Cretaceous terrestrial formation in the Neuquén Basin.The type locality is La Amarga Arroyo and China… … Wikipedia
Fort Union Formation — The Fort Union Formation is a geologic unit containing sandstones, shales, and coal beds in Wyoming, Montana, and parts of adjacent states. In the Powder River Basin, it contains important economic deposits of coal, uranium, and coalbed methane.… … Wikipedia
Bathgate — BATHGATE, a burgh of barony, and a parish, in the county of Linlithgow, 7 miles (S. by W.) from Linlithgow, and 18 (W. by S.) from Edinburgh; containing, with the village of Armadale, 3928 inhabitants, of whom 2809 are in the town. This place … A Topographical dictionary of Scotland
Oil shale geology — Main article: Oil shale Outcrop of Ordovician kukersite oil shale, northern Estonia. Oil shale geology is a branch of geologic sciences which studies the formation and composition of … Wikipedia
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
Tufa — Not to be confused with tuff, a porous volcanic rock. This article is about the geological formation. For the historic Chinese name, see Southern Liang. Tufa columns at Mono Lake, California Tufa is a variety of limestone, formed by the… … Wikipedia