igneous rock

   Rock formed by the cooling and solidifying of the subterranean molten mass of the earth. Examples of igneous rocks include: basalt, diorite, dolerite, granite, granodiorite, obsidian, and porphyry. Also see metamorphic rock, Mohs Scale of Hardness, sedimentary rock, and stone.

Glossary of Art Terms. 2014.

Look at other dictionaries:

  • Igneous rock — Geologic provinces of the world (USGS)   Shield …   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

  • igneous rock —    Rock formed by cooling and solidification from magma, and that has not been changed appreciably by weathering since its formation; major varieties include plutonic (i.e., intrusive) and volcanic (i.e., extrusive) rocks. Examples: andesite,… …   Glossary of landform and geologic terms

  • igneous rock — GLOSSARY OF VOLCANIC TERMS A variety of rock formed via crystallization from a magma. The two major classes of igneous rocks are volcanic (crystallized at or near the earth s surface, for example, basalt) and plutonic (crystallized at depth… …   Glossary of volcanic terms

  • igneous rock — noun rock formed by the solidification of molten magma • Hypernyms: ↑rock, ↑stone • Hyponyms: ↑andesite, ↑aplite, ↑groundmass, ↑adesite, ↑batholith, ↑ba …   Useful english dictionary

  • igneous rock — /ɪgniəs ˈrɒk/ (say igneeuhs rok) noun rock formed from magma which has cooled and solidified either at the earth s surface (volcanic rock) or deep within the earth s crust (plutonic rock) …   Australian English dictionary

  • igneous rock — noun one of the major groups of rock that makes up the crust of the Earth; formed by the cooling of molten rock, either below the surface (intrusive) or on the surface (extrusive) …   Wiktionary

  • igneous rock —   …   Bryson’s dictionary for writers and editors

  • effusive igneous rock — intruzinė uoliena statusas T sritis chemija apibrėžtis Magminė uoliena, susidariusi giliai Žemės plutoje kristalizuojantis magmai. atitikmenys: angl. effusive igneous rock; intrusive igneous rock rus. интрузивная порода …   Chemijos terminų aiškinamasis žodynas

  • intrusive igneous rock — intruzinė uoliena statusas T sritis chemija apibrėžtis Magminė uoliena, susidariusi giliai Žemės plutoje kristalizuojantis magmai. atitikmenys: angl. effusive igneous rock; intrusive igneous rock rus. интрузивная порода …   Chemijos terminų aiškinamasis žodynas

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.