Flashcards
Geological terms: Quiz 1
Flashcards do conjunto (14)
- 1BradyseismA sudden rise or fall of ground level due to changes in a magma chamber below ground
- 2LaharA mudslide of loose volcanic material
- 3LapillusSmall pebble of pumice ejected by a volcano
- 4Nuée ardenteflow of super-heated gas and ash following a pyroclastic flow
- 5Peléanvolcanic eruption involving a forceful ejection of gas, ash, and other material several miles into the air
- 6Pyroclastic Flowmass of super-heated ash, gas, and rock ejected by a volcano that tends to flow and harden into solid rock
- 7Seismicearthquake or ground tremor related
- 8Stratigraphydisposition of layers of material deposited on the Earth's surface and the study of their contents, chronology, and meaning
- 9Subsidencedownward movement, especially of the earth's surface
- 10TephraAny loose, inorganic debris ejected by a volcano
- 11TsunamiTidal wave caused by earthquake or other disturbance
- 12Tuffsoft, porous rock made of consolidated volcanic ash
- 13Volcanic bomblarge, heavy stone ejected by a volcano that falls to the earth from the sky
- 14Volcaniclasticvolcanic rock consisting of fragments of older rocks