rock type
general classification of rocks based on shared characteristics
metamorphic rock
rock arising from metamorphism of original rock under high heat and pressure
tuff
volcanic rock
quartz monzonite
type of igneous rock
aphanite
igneous rocks which are so fine-grained that their component mineral crystals are not detectable by the unaided eye
basalt
mafic igneous rock
igneous rock
one of the three main rock types; formed through the cooling and solidification of magma or lava
sedimentary rock
rock formed by the deposition of material
country rock
rock native to an area
sinter terraces
type of sedimentary rock in watercourses