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Alluvium
Earth Science |
- A general term for clay, silt, sand, gravel or similar unconsolidated material deposited by a stream or other body of running water.
- Gravel, sand, silt, soil, or other material that is deposited by running water. alm on drawings, abbr. for “alarm.”
- As incorrectly used by some drillers—the broken, earthy rock material directly below the soil layer and above the solid, unbroken bed or ledge rock. in a strict sense, alluvium should be applied only to soil and/or fragmented rock materials deposited by water upon land not permanently submerged beneath the waters of lakes and seas.
- Unconsolidated, clastic material subaerially deposited by running water, including gravel, sand, silt, clay, and various mixtures of these. compare - colluvium, slope alluvium. hp
- A deposit of sand, mud, etc., formed by flowing water.
- Detrital material of any grain size transported and deposited during
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Аллювий, русский
- (от лат . alluvio - нанос) (аллювиальные отложения), отложения постоянных и временных водных потоков (рек, ручьев), состоящие из обломочного материала различной степени окатанности и сортировки (галечник, гравий, песок, суглинок, глина).
- Отложения горных пород, формируемые постоянными водными потоками в речных долинах
- Отложения речных долин.
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Unconsolidated, английский
Fragmented, английский
Фрагментированный
Permanently, английский
Постоянно
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Shield volcano, английский
- A gently sloping volcano in the shape of a flattened dome, built almost exclusively of mafic lava flows. the hawaiian islands are a good example.
- A volcano having the shape of a very broad, gently sloping dome, built by flows of very fluid basaltic lava or rhyolitic ash flows. compare - stratovolcano. gg & ma
Nuée ardente, английский
A french term applied to a highly heated mass of gas-charge ash which is expelled with explosive force down the mountainside. common to intermediate volcanoes. can be quite deadly. also known as a "glowing avalanche."
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