|
|
|
|
|
|
|
|
|
Nuée ardente
Earth Science |
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."
|
|
Intermediate, английский
- Between two others.
- Промежуточный
- Промежуточное звено
- Chemical term for an igneous rock containing 54 to 62% silica and usually
|
Alluvium, английский
- 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
Mudflow, английский
- A flowage of water-saturated earth material possessing a high degree of fluidity during movement. a less-saturated flowing mass is often called a debris flow. a mudflow originating on the flank of a volcano is properly called a lahar.
- Movement of soft weak soil having the consistency of mud.
|
|
|
|
|
|
|