ROCK NAME
DESCRIPTION: Rock type.
Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Valid entries:
agglomerate albite granite algal limestone alkali feldspar granite alkali feldspar rhyolite alnoite amphibolite andesite andesite agglomerate andesite conglomerate anorthosite aplite arenite argillite arkose basalt basaltic agglomerate basaltic andesite basanite benmoreite biocarbonate biomicrite biosparite boninite boulders boundstone breccia broken formation calc-silicate camptonite carbonaceous shale carbonate rock carbonatite cataclasite chalk charnockite chert chipwacke clay claystone clinopyroxenite coal conglomerate coquina dacite debris diamictite diatomite diorite dioritic orthogneiss dolerite dolomitic limestone dolostone dunite dust epiclastic epidiorite evaporite fanglomerate fenite fill flint gabbroic orthogneiss gabbro gabbronorite gneiss gold grainstone granite granitoid granodiorite granulite grapestone gravel greensand greenschist greywacke grit guano harzburgite hawaiite hornblende gabbro hornblendite hornfels ignimbrite ironstone kaiwekite keratophyre kerzantite kimberlite komatiite lamproite lamprophyre lapilli tuff leaf beds leucogranite lherzolite lignite limburgite limestone loam loess marble marl melange melilitite metachert metaconglomerate metapelite metapsammite metasandstone metavolcanics micrite microcrystalline limestone microgabbro migmatite minette monchiquite monzodiorite monzogranite monzonite mud mudstone mylonite nepheline syenite norite none obsidian oil shale olivine basalt olivine nephelinite oolitic limestone ooze ophiolite orthopyroxenite orthogneiss paragneiss peat pebble pegmatite pelite peralkaline rhyolite peridotite phonolite phosporite phyllite phyllonite picrite polzenite porphyry psammite pumice pyroclastic breccia pyroclastics pyroxenite quartz diorite quartz monzodiorite quartz monzonite quartz syenite quartzite rhyodacite rhyolite rodingite sand sandstone sannaite schist scoria semischist serpentinite shale shell beds shingle silt siltstone sinter skarn slate spessartite spilite syenite syenogranite tephra teschenite till tillite tinguaite tonalite trachyandesite trachybasalt trachyte trachytic breccia travertine troctolite trondhjemite tuff turbidite ultramafics unknown vitric tuff vogesite volcanic boulders volcanic breccia volcanic conglomerate volcanic sandstone websterite wehrliteAddition of ? (e.g. ?wehrlite) indicates uncertainty of value