Rock

Slate (Slate (Metamorphic Rock)) — metamorphic

Slate

Slate (Metamorphic Rock)

Black Slate (Slate (Metamorphic Rock)) — metamorphic

Black Slate

Slate (Metamorphic Rock)

Slate (Slate (Metamorphic Rock)) — metamorphic

Slate

Slate (Metamorphic Rock)

Porphyry (Porphyritic Basalt or Andesite) (Porphyritic Igneous Rock) — igneous

Porphyry (Porphyritic Basalt or Andesite)

Porphyritic Igneous Rock

Porphyry (Porphyritic Basalt / Porphyritic Andesite) (Porphyritic Igneous Rock) — igneous

Porphyry (Porphyritic Basalt / Porphyritic Andesite)

Porphyritic Igneous Rock

Porphyry (Porphyritic Igneous Rock) — igneous

Porphyry

Porphyritic Igneous Rock

Porphyry (Rhyolite / Andesite Porphyry Pebble) (Porphyritic Igneous Rock) — igneous

Porphyry (Rhyolite / Andesite Porphyry Pebble)

Porphyritic Igneous Rock

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Pebble / Gravel Fragment (Clastic Rock Fragment) — sedimentary

Pebble / Gravel Fragment

Clastic Rock Fragment

River Stone (likely Basalt or Gabro) (Mafic Igneous Rock) — igneous

River Stone (likely Basalt or Gabro)

Mafic Igneous Rock

Basalt

Mafic Volcanic Rock

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

River Pebble (Gneiss/Schist mix) (Metamorphic rock aggregate) — metamorphic

River Pebble (Gneiss/Schist mix)

Metamorphic rock aggregate

Ironstone Nodule (Ironstone (Ferruginous Rock)) — sedimentary

Ironstone Nodule

Ironstone (Ferruginous Rock)

Coal (Carbonaceous sedimentary rock) — sedimentary

Coal

Carbonaceous sedimentary rock

Quartzite (Metamorphic Rock (Quartzite)) — metamorphic

Quartzite

Metamorphic Rock (Quartzite)

Pink Granite (Felsic Plutonic Rock) — igneous

Pink Granite

Felsic Plutonic Rock

Epidotite (Unakite-related) (Epidote-rich rock) — metamorphic

Epidotite (Unakite-related)

Epidote-rich rock

Basalt (Weathered) (Mafic Igneous Rock) — igneous

Basalt (Weathered)

Mafic Igneous Rock

Conglomerate (Conglomerate (Sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (Sedimentary rock)

Conglomerate (Conglomerate (Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Sedimentary Rock)

Granite (Felsic Plutonic Rock) — igneous

Granite

Felsic Plutonic Rock

Basalt (Pahoehoe texture) (Mafic Volcanic Rock) — igneous

Basalt (Pahoehoe texture)

Mafic Volcanic Rock

Basalt

Mafic Igneous Rock

Conglomerate (Conglomerate (Sedimentary Rock)) — sedimentary

Conglomerate

Conglomerate (Sedimentary Rock)

Limestone Cobble (Carbonate Rock (CaCO3)) — sedimentary

Limestone Cobble

Carbonate Rock (CaCO3)

Gray Limestone (Carbonate rock (CaCO3)) — sedimentary

Gray Limestone

Carbonate rock (CaCO3)

Pumice (Pumice (Volcanic Rock)) — igneous

Pumice

Pumice (Volcanic Rock)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Granite (Felsic Plutonic Rock) — igneous

Granite

Felsic Plutonic Rock

Conglomerate (Clastic Sedimentary Rock) — sedimentary

Conglomerate

Clastic Sedimentary Rock

Basalt

Mafic Igneous Rock

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

River Cobble (likely Siltstone or Sandstone) (Clastic Sedimentary Rock) — sedimentary

River Cobble (likely Siltstone or Sandstone)

Clastic Sedimentary Rock

Conglomerate (Conglomerative Sedimentary Rock) — sedimentary

Conglomerate

Conglomerative Sedimentary Rock

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

Quartzite (Metamorphic rock (SiO2)) — metamorphic

Quartzite

Metamorphic rock (SiO2)

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Basalt (Weathered) (Mafic Igneous Rock) — igneous

Basalt (Weathered)

Mafic Igneous Rock

Gneiss (specifically Granitic Gneiss) (Gneissic Metamorphic Rock) — metamorphic

Gneiss (specifically Granitic Gneiss)

Gneissic Metamorphic Rock