- chalk deposits
- Нефтепромысловый: меловые отложения
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
chalk — chalklike, adj. /chawk/, n. 1. a soft, white, powdery limestone consisting chiefly of fossil shells of foraminifers. 2. a prepared piece of chalk or chalklike substance for marking, as a blackboard crayon. 3. a mark made with chalk. 4. a score or … Universalium
Chalk — For other uses, see Chalk (disambiguation). Chalk Sedimentary Rock The Needles, situated on the Isle of Wight, are part of the extensive Southern England Chalk Formation. Composition … Wikipedia
Chalk heath — is a rare habitat, in the Temperate grasslands, savannas, and shrublands biome, formed of a paradoxical mixture of shallow rooted calcifuge ( calcium hating ) and deeper rooted calcicole ( calcium loving ) plants, growing on a thin layer of… … Wikipedia
Chalk Creek — Chalk Creek[1] Chalk Creek west of US 285 to St.Elmo Origin … Wikipedia
Chalk Group — The Needles, part of the extensive Southern England Chalk Formation. The Chalk Group (often just called the Chalk) is a lithostratigraphic unit (a certain number of rock strata) in the northwestern part of Europe. It is characterised by thick… … Wikipedia
Chalk stream — The River Bourne at Winterbourne Gunner, a typical chalk stream Com … Wikipedia
Chalk Formation — The Chalk Formations of Europe are thick deposits of chalk, a soft porous white limestone, deposited in a marine environment during the upper Cretaceous Period. They appear most prominently in England. The formations are divided into three parts … Wikipedia
Southern England Chalk Formation — The Wealden Anticline … Wikipedia
Chełm Chalk Tunnels — The Chełm Chalk Tunnels (in Polish Chełmskie podziemia kredowe) are a system of tunnels dug into the chalk under the city of Chełm in eastern Poland. The tunnelling was begun in the Middle Ages for chalk extraction but was discontinued in the… … Wikipedia
Cretaceous — Period 145.5–65.5 million years ago … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium