GEOROC-Query by rock(Volcanic rocks)

Query by Petrography - Volcanic Rocks

The left list allows the selection of main categories of volcanic rocks. Pointing on these items opens submenues to select particular rocks
of these main categories.

Rhyolitic Rocks

Andesitic Rocks

Basaltic Rocks

Trachytic Rocks

Select volcanic rocks using the alkali/silica classification (TAS) diagram

lava

comendit(e/ic) | pantellerit(e/ic) | obsidian | rhyodacit(e/ic) | pitchstone | liparit(e/ic) | eutaxit(e/ic)

dacit(e/ic) | rhyodacit(e/ic) | trachydacit(e/ic)

tahitit(e/ic) | icelandit(e/ic) | boninit(e/ic) | trachyandesit(e/ic) | shoshonit(e/ic) | adakit(e/ic) | sanukit(e/ic)

benmoreit(e/ic) | hawaiit(e/ic) | mugearit(e/ic) | oceanit(e/ic) | picrit(e/ic) | ankaramit(e/ic) | tholeiit(e/ic)
trachybasalt(/ic) | basanit(e/ic) | tephrit(e/ic) | dolerit(e/ic) | komatiit(e/ic) | diabase | meimechit(e/ic)
trachydolerit(e/ic) | trachybasanit(e/ic) | crinanit(e/ic)

trachyt(e/ic) | trachybasalt(/ic) | trachybasanit(e/ic) | trachyandesit(e/ic) | latit(e/ic) | trachyphonolit(e/ic)
trachydolerit(e/ic) | tristanit(e/ic)

phonolit(e/ic) | trachyphonolit(e/ic) | tinguait(e/ic) | nephelinit(e/ic) | leucitit(e/ic) | melilitit(e/ic)
phonotephrit(e/ic) | analcimit(e/ic) | ankaratrit(e/ic) | foidit(e/ic)

for alkaline basaltic rocks see basaltic rocks