argillaceous — adjective Date: circa 1731 of, relating to, or containing clay or clay minerals ; clayey … New Collegiate Dictionary
Глинистые минералы — водные силикаты и алюмосиликаты гл. обр. А1 и Mg, а также Cu, Fe, K, Na; иногда в них присутствуют Cr, Zn, Li, Ni и др. элементы. Различают Г. м., состоящие: а) из двухэтажных силикатных слоев (гр. каолинита), б) из трехэтажных силикатных слоев… … Геологическая энциклопедия
глинисті мінерали — глинистые минералы clay minerals, argillaceous minerals Tonminerale група мінералів, г.ч. шаруватих силікатів, що входять до складу глин як осн. їх складова. Головні Г.м.: каолініт, монтморилоніт, галуазит, серпентин, гідрослюди, хлорити,… … Гірничий енциклопедичний словник
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
cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… … Universalium
Geology of Alderley Edge — Infobox Mountain Name = Alderley Edge Photo = Stormy Point 1993.jpg Caption = Stormy Point Elevation = 183 m (600 ft) Location = Cheshire, ENG Range = Prominence = Coordinates = Topographic OS Landranger 118 Grid ref UK = SJ870760 Grid ref… … Wikipedia
clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… … 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
Metamorphic rock — Metamorphic redirects here. For other uses, see Metamorphic (disambiguation). Quartzite, a form of metamorphic rock, from the Museum of Geology at University of Tartu collection. Metamorphic rock is the transformation of an existing rock type,… … Wikipedia
Geology of the Australian Capital Territory — Australia grew around three fused pieces of very ancient continental crust (cratons). The geology of the Australian Capital Territory includes rocks dating from the Ordovician around 480 million years ago, whilst most rocks are from the Silurian … Wikipedia
