Latite

From Biocrawler, the free encyclopedia.

Latite is an igneous, volcanic (extrusive) rock, with aphanitic to porphyritic texture. Its mineral assembly is usually, alkali feldspar and plagioclase (in a ratio < 1:4). Quartz is absent. Biotite, hornblend, pyroxene and scarce olivine are common accessory minerals.

See also

• igneous rock
• list of rocks

Wikipedia (http://en.wikipedia.org/wiki/Main_Page) Latite (http://en.wikipedia.org/wiki/Latite) version history (http://en.wikipedia.org/w/index.php?title=Latite&action=history) GNU Free Documentation Lizenz (http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License) CC-by-sa (http://creativecommons.org/licenses/by-sa/2.5/)

---