vein

pit

borehole

pit

quartz

marble

gem

fieldstone

emerald

weskit

granite

lead

limestone

lava

ruby

bonanza

mineral

ore

fossil

petrify

geology

aluminum

core

crater

diamond

glacial

glacier

iceberg

plate

tremor

earthquake

seism

seismic

seismology

magnitude

cataclysm

stratum

mantle

nitrogenous

lithosphere

layer

crust

fault

crust

fault

magma

squirt

erupt

outburst

eruption

volcanic