Volcanoes and Civilization

Identify these rocks and state where they are found on the Earth.

On what kinds of volcanoes would you find these?

What color are these rocks.

What are their chemical or mineralogical constituents?

granite

granodiorite

gabbro

diorite

ash

basalt

dolerite

peridotite

rhyolite

pumice

pitchstone

andesite

ignimbrite

pyroclastics

eclogite

Hand in your definitions next class.