- crystal lapilli
- 晶体火山砾
English-Chinese geology dictionary (英汉地质大词典). 2013.
crystal lapilli
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Lapilli — is a size classification term for tephra, which is material that falls out of the air during a volcanic eruption. Lapilli (singular: lapillus) means little stones in Latin. They are in some senses similar to ooids or pisoids in calcareous… … Wikipedia
armoured lapilli — GLOSSARY OF VOLCANIC TERMS A type of accretionary lapilli composed of a crystal, pumice, or lithic fragment core which is surrounded by a rim of fine to coarse ash (McPhie et al., 1993, p. 29) … Glossary of volcanic terms
Mount Pleasant Caldera — Elevation approx. 248 m (814 ft) Listing List of volcanoes in Canada … Wikipedia
Ignimbrite — is a volcanic pyroclastic rock, often of dacitic or rhyolitic composition. Ignimbrite is the deposit of a pumice rich pyroclastic density current, or pyroclastic flow , a hot suspension of particles and gases that flows rapidly from a volcano,… … Wikipedia
Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… … Wikipedia
Otolith — organs showing detail of utricle, ococonia, endolymph, cupula, macula, hair cell filaments, and saccular nerve … Wikipedia
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
Hauyn — Haüyn im Muttergestein Bims in ungewöhnlicher Größe von ca. 2 cm Chemische Formel Na5 6Ca2[(SO4,Cl)2|Al6Si6O24] Mineralklasse Silikate und Germanate 9.FB.10 (8. Aufl.: VIII/J.11 30) (nach … Deutsch Wikipedia
Hauynit — Hauyn Haüyn im Muttergestein Bims in ungewöhnlicher Größe von ca. 2 cm Chemische Formel Na5 6Ca2[(SO4,Cl)2|Al6Si6O24] Mineralklasse Silikate und Germanate 9.FB.10 (8. Aufl.: VIII/J.11 30) (nach … Deutsch Wikipedia
Mount Mazama — collapsed a large caldera, which was later filled with Crater Lake. Elevation 8,159 ft … Wikipedia
Cerro Azul (Chile volcano) — Cerro Azul The peak of Cerro Azul volcano lies behind Quizapu crater, which was formed by eruptions during the twentieth century … Wikipedia
