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Coral island
| Глоссарий геологических терминов |
A) a relict coral reef that stands above sea level and surrounded by water (e.g. florida keys). carbonate sands rich in coral and shell fragments generally mantle the underlying flat coral platform. b) an oceanic island formed from coral accumulations lying atop or fringing volcanic peaks or platforms. sw & gg
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Coral, английский
- A name applied to the hard calcareous support or skeleton of many species of marine zoophytes. the coral-producing animals abound chiefly in tropical seas, sometimes forming, by the aggregated growth of countless generations, reefs, barriers, and islands of vast extent. the “red coral” (corallium rubrum) of the mediterranean is highly prized for ornamental purposes.
- A material made by tiny carnivorous animals called polyps that live in immense colonies. the polyp is related to the anemone, and consists of a stomach and a mouth surrounded by tentacles. these tentacles resemble feet (“polyp” is a greek word meaning many feet). the tentacles are covered with tiny stinging cells and, when a small creature brushes against them, it is killed and brought into the stomach to be digested. each polyp also extracts calcium from the water to build a protective limestone case. after it dies, the case remains and forms the foundation for another polyp to build on. colonies form different shapes according to their environment—smooth and rounded where wave action is strong, and branched in calmer, deeper water. when these limestone formations aggregate, they are called a coral reef. corals grow in clear, fairly shallow water, and are highly sensitive to environmental change. they cannot grow in polluted water, or in water carrying soil from the land, or if the salinity of the water drops. they will be swamped by algae if there are too many nutrients in the water, and will also die if the water temperature changes by more than a degree or two beyond their preferred 18° to 33° c range.
- Игрушка из полированного коралла (для грудных детей, у которых прорезываются зубы)
Coral hues, английский
One of the background colors on the screen saver settings dialog box that consists of a range of coral colors. corba (n)
Coral limestone, английский
Coral mud and sand, английский
Coral ore, английский
Coral rag, английский
Coral reef, английский
Coral reefs, английский
Are the largest structures created by any group of animals in the world (humans included). they are found in a variety of forms as follow: • apron: a sloping reef, extending outward and downward from the shore. • atoll: a more or less circular reef extending all the way around a lagoon. formerly the barrier reef surrounding a now sunken island. • bank: is essentially a large patch reef and may be linear or semi-circular in outline. • barrier: a reef separated from a mainland or an island by deep water. it is formed when the land sinks or the sea rises, causing the polyps to build upwards. the great barrier reef is the largest natural feature on earth stretching more than 2,300 kms along the northeast coast of australia. • fringing: a reef that is directly attached to the shore, or separated only by a shallow, narrow channel or lagoon. conveyance 82 • patch: an isolated, often circular reef, usually within a lagoon or embayment. • ribbon: a long, narrow, somewhat winding reef, usually associated with a lagoon. • table: a small, isolated organic reef which has a flat top and does not enclose a lagoon. coral reefs have existed on earth for over 200 million years, but a combination of temperature change, pollution, overuse by divers, and harvesting for jewelry has already led to the destruction of many; leading scientists predict that over 50 percent may be destroyed by the year 2030.
Coral sand, английский
Coral sea, английский
This may 8, 1942, battle was the first fought entirely by naval aviation during which the opposing warships never sighted each other. although losses were even (one carrier sunk and another seriously damaged on each side) it was a tactical victory for japan, but a strategic one for the united states. a japanese attack on port moresby was thwarted and their invasion forces turned back. on the other hand, two additional modern usn carriers at next month’s battle of midway might have contributed to a more decisive victory.
Coral zone, английский
Coralan, английский
A small open boat for the mediterranean coral fishery.
Coralgal, английский
Coralliferous, английский
Coralline, английский
Corallite, английский
Coralloid, английский
Coralloidal, английский
Corallum, английский
Corallum, i, n, латинский
Underlying, английский
- A исходный, лежащий в основе; глубинный form, structure, word underspecification n грамматическая неправиль- ность; несоответствие грамматическим пра- вилам (ант. licensing)
- What supports the security or instrument that parties agree to exchange in a derivative contract.
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Corrosion [geomorphology], английский
A process of erosion whereby rocks and soil are removed or worn away by natural chemical processes, especially by the solvent action of running water, but also by other reactions, such as hydrolysis, hydration, carbonation, and oxidation. gg
Coprogenous earth [soil taxonomy], английский
A type of limnic layer (sedimentary peat) composed predominantly of fecal material derived from aquatic animals. st
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