volcanic rock
1Volcanic rock — is an igneous rock of volcanic origin. Texture Volcanic rocks are usually fine grained or aphanitic to glassy in texture. They often contain clasts of other rocks and phenocrysts. Phenocrysts are crystals that are larger than the matrix and are… …
2volcanic rock — n. igneous rock, as basalt, that solidified rapidly from molten lava at or near the earth s surface * * * …
3volcanic rock — n. igneous rock, as basalt, that solidified rapidly from molten lava at or near the earth s surface …
4volcanic rock — noun extrusive igneous rock solidified near or on the surface of the Earth • Hypernyms: ↑igneous rock • Hyponyms: ↑agglomerate, ↑amygdaloid, ↑dacite, ↑basalt, ↑volcanic glass, ↑lava, ↑ …
5volcanic rock — vulkaninė uoliena statusas T sritis chemija apibrėžtis Uoliena, susidariusi iš išsiliejusios atvėsusios lavos arba kitų vulkano išsiveržimo produktų. atitikmenys: angl. volcanic rock rus. вулканическая порода …
6volcanic rock — vulkaninė uoliena statusas T sritis ekologija ir aplinkotyra apibrėžtis Uoliena, susidariusi iš išsiliejusios atvėsusios lavos arba kitų ugnikalnio išsiveržimo produktų. Skiriamos trijų rūšių vulkaninės uolienos – efuzinės, ekstruzinės ir… …
7Volcanic Rock (album) — Infobox Album Name = Volcanic Rock Type = Studio Album Longtype = Artist = Buffalo Cover size = Caption = Released = August, 1973 Recorded = United Sound, Sydney, 1973 Genre = heavy metal hard rock psychedelia Length = Label = Vertigo Records… …
8Common types of volcanic rock — ▪ Table Common types of volcanic rock name silica content (percent) major minerals colour approximate density with no voids (grams per cubic cm) basalt 45 53 Ca feldspar, pyroxene, olivine dark gray 3.0 andesite 53 62 CaNa feldspar, pyroxene,… …
9Volcanic ash — consists of small tephra, which are bits of pulverized rock and glass created by volcanic eruptions,United States Geological Survey. [http://volcanoes.usgs.gov/Hazards/What/Tephra/tephra.html Tephra: Volcanic Rock and Glass Fragments.] Retrieved… …
10Volcanic gas — Volcanic gases include a variety of substances given off by active (or, at times, by dormant) volcanoes. These include gases trapped in cavities (vesicles) in volcanic rocks, dissolved or dissociated gases in magma and lava, or gases emanating… …
