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TACHYLYTE [1 record]

Filter results by subject field Alphabetical list of terms

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Alphabetical list of terms

Record 1 2011-10-26

English

Subject field(s)
  • Petrography
DEF

A black, brown, or green basalt glass resembling obsidian in appearance but chemically poor in silica and close to the gabbro-basalt family.

OBS

The glass is filled with crystallites ...

OBS

hyalo-: A prefix added to certain rock names to signify a glassy rock of corresponding chemical composition, for example, hyalobasalt.

OBS

jaspoid: Old name for tachylyte.

Key term(s)
  • basalt glass

French

Domaine(s)
  • Pétrographie
DEF

[...] roche vitreuse à composition basaltique [...]

CONT

Il existe des obsidiennes rhyolitiques, trachytiques, andésitiques. Les correspondants vitreux des basaltes sont appelés tachylites.

Spanish

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