Granite
Intrusive Igneous Rock
igneous
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Granite
Intrusive Igneous Rock
igneous
Granite Pebble
Phaneritic Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite Boulder
Intrusive Igneous Rock
igneous
Granite Boulder
Intrusive Igneous Rock
igneous
Granite Pebble
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Dark mafic rock, likely basalt
Basalt (fine-grained assemblage chiefly plagioclase and pyroxene, commonly with olivine and iron oxides)
igneous
Dark igneous rock, likely basalt
Basalt; chiefly plagioclase feldspar, pyroxene, and possibly olivine
igneous
Granite
Granitoid
igneous
Sandstone (with potential fossil fragments)
Sandstone (SiO2 dominated with iron oxides)
sedimentary
Sandstone (likely Graywacke or Lithic Sandstone)
Clastic Sedimentary Rock
sedimentary
Weathered granitic rock fragment
Granite, predominantly quartz–feldspar–mica assemblage
igneous
Brown Sandstone (River Rock)
Arenite
sedimentary
Conglomerate (Greenstone/Pebble Conglomerate)
Polymictic Conglomerate
sedimentary
Granite
Intrusive igneous felsic rock
igneous
Granodiorite (River Rock / Cobble)
Granodiorite; Phaneritic intrusive igneous rock dominated by plagioclase, quartz, and hornblende/biotite
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Phaneritic igneous rock)
igneous
Granite
Phaneritic Igneous Rock (Granite)
igneous
Gneiss (with Quartz Vein / Pegmatite Banding)
Metamorphic Gneiss
metamorphic
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Granite (Felsic intrusive igneous rock)
igneous
Granite
Intrusive Igneous Rock (composed primarily of quartz, alkali feldspar, and plagioclase)
igneous
Serpentine
Serpentinite (Mg,Fe,Ni,Al,Zn)3Si2O5(OH)4
metamorphic
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Basalt
Extrusive Igneous Rock
igneous
Sandstone (with Siltstone/Greywacke variations)
Sedimentary Rock (Clastic)
sedimentary
Basalt
Mafic Igneous Rock
igneous
Sandstone
Arenite (Siliclastic sedimentary rock)
sedimentary
Biotite Mica Schist
Metamorphic Rock containing Biotite K(Mg,Fe)3AlSi3O10(OH)2
metamorphic
Quartz with Host Rock
SiO2 (Quartz) with fine-grained Matrix
sedimentary
Basalt
Extrusive Igneous Rock
igneous
Limestone and Quartz Gravel with Petrified Wood
Sedimentary gravel aggregate and fossilized wood
sedimentary