quartzose sandstone
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Sandstone — is a sedimentary rock composed mainly of sand size mineral or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth s crust. Like sand, sandstone may be any color, but the most… … Wikipedia
Mannville Group — Stratigraphic range: Early Cretaceous … Wikipedia
Marine geology of the Cape Peninsula and False Bay — Contents 1 Introduction 2 The geological structure of the region 2.1 Malmesbury group deposition 2.1.1 Appearance of the exposed Malmesbury group rocks … Wikipedia
Ganister — As defined in Jackson (1997), a ganister is hard, fine grained quartzose sandstone, or orthoquartzite, used in the manufacture of silica brick typically used to line furnaces. Ganisters are cemented with secondary silica and typically have a… … Wikipedia
Vanguard Formation — Stratigraphic range: Callovian to Oxfordian … Wikipedia
Elk Point Group — Stratigraphic range: Middle Devonian … Wikipedia
Great Lyakhovsky Island — Infobox Islands name = Great Lyakhovsky image caption = Map showing the location of Lyakhovsky Islands image size = locator Location map|Russia|lat=73.4|long=141.5 map custom = yes native name = Большой Ляховский native name link = Russian… … Wikipedia
Ouachita orogeny — The Ouachita Mountains lie south of the Arkansas River valley which separates them from the Ozark plateau. The Ouachita orogeny was a mountain building event that resulted in the folding and faulting of strata currently exposed in the Ouachita… … Wikipedia
quartz — quartzose /kwawrt sohs/, quartzous /kwawrt seuhs/, adj. /kwawrts/, n. one of the commonest minerals, silicon dioxide, SiO2, having many varieties that differ in color, luster, etc., and occurring either in masses (as agate, bloodstone, chalcedony … Universalium
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
Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… … Universalium
