Noun:

ज्वालामुखी काच,

volcanic glass's Usage Examples:

stratigraphy and tephrochronology, completely devitrified (weathered volcanic glass) ash-fall beds are commonly referred to as K-bentonites when the dominant.

Darker-coloured ignimbrites may be densely welded volcanic glass or, less commonly, mafic in composition.

composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass.

Obsidian, a rare volcanic glass found only in Papua New Guinea had been discovered there, according to Dr Patrick D.

, obsidian), with volcanic glass being non-crystalline (amorphous), and having a glass-like.

Helenite Hyaloclastite – A volcaniclastic accumulation or breccia and tachylite – volcanic glasses with basaltic composition Knapping Libyan desert glass –.

trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass.

Ash from high-silica volcanism, particularly in ash flows, consists mainly of shards of volcanic glass.

Allophane is a weathering or hydrothermal alteration product of volcanic glass and feldspars and sometimes has a composition similar to kaolinite but.

analysis of scoria found in Yemen showed that it was mainly composed of volcanic glass with a few zeolites (e.

inspect the depth of penetration of water vapor into chipped obsidian (volcanic glass) artifacts.

Particles of volcanic glass called tachylite were created as the water turned to steam and explosively fragmented the.

a volcanic glass; however, unlike a glass, pitchstone has an irregular hackly fracture not a conchoidal fracture.

Synonyms:

pitchstone, obsidian, volcanic rock, tachylite,

Antonyms:

intrusive, steady,