Rock Identifier

Category

Sedimentary Rock (Possibly A Conglomerate Or Coarse Grained Sandstone)

Browse sedimentary rock (possibly a conglomerate or coarse grained sandstone) specimens identified by the Rock Identifier community.

Yellow Quartzite (River Pebble) (Quartzite (primarily SiO2)) — metamorphic

Yellow Quartzite (River Pebble)

Quartzite (primarily SiO2)

Druzy Quartz on Chert/Siltstone (Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix) — sedimentary

Druzy Quartz on Chert/Siltstone

Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix

Pink Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (Granite)

Quartzite (Quartzite (Primary mineral: Quartz, SiO2)) — metamorphic

Quartzite

Quartzite (Primary mineral: Quartz, SiO2)

Red Siltstone (Siltstone (primarily quartz and feldspar sized 0.0039 to 0.0625 mm)) — sedimentary

Red Siltstone

Siltstone (primarily quartz and feldspar sized 0.0039 to 0.0625 mm)

River Pebble (Quartzite/Chert) (Quartzite with inclusions (SiO2)) — metamorphic

River Pebble (Quartzite/Chert)

Quartzite with inclusions (SiO2)

Granite (Felsic Intrusive Igneous Rock (SiO2, Al2O3, K2O, Na2O)) — igneous

Granite

Felsic Intrusive Igneous Rock (SiO2, Al2O3, K2O, Na2O)

Quartzite (Quartzite (SiO2-dominant rock)) — metamorphic

Quartzite

Quartzite (SiO2-dominant rock)

Quartzite (Quartzite (SiO2 silicon dioxide)) — metamorphic

Quartzite

Quartzite (SiO2 silicon dioxide)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Pink Quartzite (Quartzite (primarily SiO2)) — metamorphic

Pink Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (specifically Amphibolite Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Amphibolite Gneiss)

Gneiss

Quartzite (River Cobble) (Quartzite (predominantly SiO2)) — metamorphic

Quartzite (River Cobble)

Quartzite (predominantly SiO2)

Granite (Granite) — igneous

Granite

Granite

Sandstone (with Iron Staining) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone (River Pebble) (Arenite) — sedimentary

Sandstone (River Pebble)

Arenite

Granite with Quartz Vein (Phaneritic Felsic Igneous Rock (composed of Quartz [SiO2], Feldspar, and Mica)) — igneous

Granite with Quartz Vein

Phaneritic Felsic Igneous Rock (composed of Quartz [SiO2], Feldspar, and Mica)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Pink Granite (Phaneritic Felsic Igneous Rock (Rich in K-Feldspar)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (Rich in K-Feldspar)

Granite (specifically Red Granite) (Phaneritic Plutonic Rock (High in Alkali Feldspar and Quartz)) — igneous

Granite (specifically Red Granite)

Phaneritic Plutonic Rock (High in Alkali Feldspar and Quartz)

Pink Granite (Felsic Intrusive Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)) — igneous

Pink Granite

Felsic Intrusive Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)

Quartzite (Quartzite (chiefly SiO2)) — metamorphic

Quartzite

Quartzite (chiefly SiO2)

Pink Granite (Phaneritic Acidic Plutonic Rock (primarily K-feldspar, quartz, and plagioclase)) — Igneous

Pink Granite

Phaneritic Acidic Plutonic Rock (primarily K-feldspar, quartz, and plagioclase)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Diorite (Diorite (intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (intermediate intrusive igneous rock)

Pink Granite (Phaneritic Plutonic Felsic Rock (K-feldspar rich)) — igneous

Pink Granite

Phaneritic Plutonic Felsic Rock (K-feldspar rich)

Shale (Shale (Sedimentary rock composed of mud/clay minerals)) — sedimentary

Shale

Shale (Sedimentary rock composed of mud/clay minerals)

Shale creek bed (Shale (fine-grained clastic sedimentary rock)) — Sedimentary

Shale creek bed

Shale (fine-grained clastic sedimentary rock)

Schist (Schist (Crystalline metamorphic rock)) — metamorphic

Schist

Schist (Crystalline metamorphic rock)

Sandstone (Quartzose) (Arenite (predominantly SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (predominantly SiO2)

Quartzite (Quartzite (SiO2 silicon dioxide)) — metamorphic

Quartzite

Quartzite (SiO2 silicon dioxide)

Shale (Fissile mudstone (primarily clay minerals and silt-sized quartz)) — sedimentary

Shale

Fissile mudstone (primarily clay minerals and silt-sized quartz)

Asphalt (Bituminous Slate/Sandstone) (Asphaltum / Bituminous Rock) — sedimentary

Asphalt (Bituminous Slate/Sandstone)

Asphaltum / Bituminous Rock

Biotite Schist (likely) (Biotite Schist (rock), Biotite (mineral)) — Metamorphic

Biotite Schist (likely)

Biotite Schist (rock), Biotite (mineral)

Greywacke (River Pebble) (Greywacke (Indurated Sandstone)) — sedimentary

Greywacke (River Pebble)

Greywacke (Indurated Sandstone)