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1 пористый известняк
Русско-английский словарь по нефти и газу > пористый известняк
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2 пористый известняк
Русско-английский словарь нормативно-технической терминологии > пористый известняк
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3 низкопористый известняк
Русско-английский словарь нормативно-технической терминологии > низкопористый известняк
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4 крупнозернистый известняк
1) Engineering: coarse limestone2) Cement: porous limestoneУниверсальный русско-английский словарь > крупнозернистый известняк
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5 пористый известняк
Универсальный русско-английский словарь > пористый известняк
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6 низкопористый известняк
Универсальный русско-английский словарь > низкопористый известняк
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7 рыхлый известняк
Cement: porous limestone -
8 низкопористый известняк
Русско-английский словарь по нефти и газу > низкопористый известняк
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9 мел
мел
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
chalk
A soft, pure, earthy, fine-textured, usually white to light gray or buff limestone of marine origin, consisting almost wholly (90-99%) of calcite, formed mainly by shallow-water accumulation of calcareous tests of floating microorganisms (chiefly foraminifers) and of comminuted remains of calcareous algae (such as cocoliths and rhabdoliths), set in a structureless matrix of very finely crystalline calcite. The rock is porous, somewhat friable, and only slightly coherent. It may include the remains of bottom-dwelling forms (e.g. ammonites, echinoderms, and pelecypods), and nodules of chert and pyrite. The best known and most widespread chalks are of Cretaceous age, such as those exposed in cliffs on both sides of the English Channel. (Source: BJGEO)
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Русско-английский словарь нормативно-технической терминологии > мел
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