Rocks, Metamorphic


 * agglomerate
 * alluvium
 * amber
 * amphibolite
 * amygdule
 * anthracite
 * anticline
 * aquifer
 * basalt
 * batholith
 * bedrock
 * bitumen
 * boulder train
 * breccia
 * calc-silicate
 * carat
 * carbonaceous
 * chemical weathering
 * chert
 * conglomerate
 * country rock
 * drift
 * drumlin
 * druse
 * erratics
 * esker
 * extrusive
 * fault
 * flint
 * fold
 * fool's gold
 * gastrolith
 * geode
 * glacial pavement
 * gneiss
 * granite
 * granulite
 * greenstone
 * halite
 * hornblende schist
 * hornfels
 * humus
 * igneous rock
 * intrusive
 * ironstone
 * karst
 * lapidary
 * lapilli
 * limestone
 * loess
 * marble
 * matrix
 * metamorphic rock
 * metaquartzite
 * obsidian
 * oil shale
 * oolites
 * ore
 * outcrop
 * overburden
 * Pele's hair
 * petrify
 * petroglyph
 * petrology
 * petrous
 * phyllite
 * placer deposit
 * pumice
 * pyroclastic
 * quartzite
 * riprap
 * sandstone
 * schist
 * sedimentary rock
 * serpentine
 * silica
 * skarn
 * slate
 * soapstone
 * stealite
 * strata
 * stratification
 * striation
 * till
 * tuff
 * vein
 * ventifact