aerial view box of rocks

aerial all background basalt bin box breccia chlorite classification classified clastic clear coal college colors composition contact crust curriculum earth foliation formation fossiliferous glass gneiss hand high identification igneous impurities inorganic irone kit limestone lithosphere metabreccia metamorphic metamorphism mineral models multitude obsidian organic oxide plutonic regional rock rocks sample samples sandstone schist school science sedimentary selection shale shells silicates slate solid stones test textures varieties vesicular view volcanic white