Rock Identifier

Category

Sedimentary Or Metamorphic (Low Grade)

Browse sedimentary or metamorphic (low grade) specimens identified by the Rock Identifier community.

Learn about Sedimentary Or Metamorphic (Low Grade) in the encyclopedia

Greenschist

Slate

Lignite

Calcilutite

Calcirudite

Grape Garnet

Grape Agate

Granulite

Chlorite Schist

Chlorite Schist

Turbidite

Conglomerate

Greenstone

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Greenstone / Greenschist (Greenschist (composed of Chlorite, Epidote, Actinolite)) — metamorphic

Greenstone / Greenschist

Greenschist (composed of Chlorite, Epidote, Actinolite)

Greenstone (Altered Mafic Rock) (Greenschist / Meta-basalt) — metamorphic

Greenstone (Altered Mafic Rock)

Greenschist / Meta-basalt

Greenstone (Epidosite or Altered Basalt) (Epidosite (Ca2(Al, Fe)3(SiO4)3(OH))) — metamorphic

Greenstone (Epidosite or Altered Basalt)

Epidosite (Ca2(Al, Fe)3(SiO4)3(OH))

Greenstone (Greenstone River Pebble) (Greenschist (metamorphosed mafic igneous rock)) — metamorphic

Greenstone (Greenstone River Pebble)

Greenschist (metamorphosed mafic igneous rock)

Greenstone (Metabasalt (Greenstone Facies)) — metamorphic

Greenstone

Metabasalt (Greenstone Facies)

Quartz and Limestone Grouping (Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)) — mineral

Quartz and Limestone Grouping

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)

Prehnite with Epidote and Quartz (Prehnite (Ca2Al(AlSi3O10)(OH)2)) — mineral

Prehnite with Epidote and Quartz

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Prehnite (Prehnite, Ca2Al2Si3O10(OH)2) — mineral

Prehnite

Prehnite, Ca2Al2Si3O10(OH)2

Slate (Foliated Metamorphic Rock (primarily composed of quartz, illite, and chlorite)) — metamorphic

Slate

Foliated Metamorphic Rock (primarily composed of quartz, illite, and chlorite)

Greenstone (Chlorite schist / Meta-basalt) — metamorphic

Greenstone

Chlorite schist / Meta-basalt

Lapis Lazuli (Low-grade) (Lapis Lazuli (Aggregate of Lazurite, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli (Low-grade)

Lapis Lazuli (Aggregate of Lazurite, Calcite, and Pyrite)

Slate (Slate (Metamorphic claystone/shale)) — metamorphic

Slate

Slate (Metamorphic claystone/shale)

Epidote (Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — mineral

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Greenstone (Metabasalt) — metamorphic

Greenstone

Metabasalt

Slate (Slate (Foliated Metamorphic Rock)) — metamorphic

Slate

Slate (Foliated Metamorphic Rock)

Gray slate (Slate; fine-grained foliated metamorphic rock composed mainly of mica and quartz) — metamorphic

Gray slate

Slate; fine-grained foliated metamorphic rock composed mainly of mica and quartz

Slate (Foliated Metamorphic Slate) — metamorphic

Slate

Foliated Metamorphic Slate

Slate (Slate (Metamorphic Rock)) — metamorphic

Slate

Slate (Metamorphic Rock)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Greenstone (Metabasalt / Greenschist) — metamorphic

Greenstone

Metabasalt / Greenschist

Greenstone (Greenschist facies metabasite) — metamorphic

Greenstone

Greenschist facies metabasite

Greenschist / Serpentinite Cobble (Greenschist (composed primarily of chlorite, actinolite, and epidote)) — metamorphic

Greenschist / Serpentinite Cobble

Greenschist (composed primarily of chlorite, actinolite, and epidote)

Greenschist (Chlorite-actinolite schist) — metamorphic

Greenschist

Chlorite-actinolite schist

Greenstone / Greenschist (Chlorite schist / Epidiorite / Metabasalt) — metamorphic

Greenstone / Greenschist

Chlorite schist / Epidiorite / Metabasalt

Greenstone (Greenschist) — metamorphic

Greenstone

Greenschist

Greenstone (Protolith: Basaltic rock) — metamorphic

Greenstone

Protolith: Basaltic rock

Slate (Slate (foliated metamorphic rock rich in quartz, sericite, and chlorite)) — metamorphic

Slate

Slate (foliated metamorphic rock rich in quartz, sericite, and chlorite)

Greenstone / Metabasalt (Metamorphosed Mafic Rock (Greenschist facies)) — metamorphic

Greenstone / Metabasalt

Metamorphosed Mafic Rock (Greenschist facies)

Slate (Foliated Metamorphic Rock (composed of quartz, illite, and chlorite)) — metamorphic

Slate

Foliated Metamorphic Rock (composed of quartz, illite, and chlorite)

Greenstone (Greenschist (commonly containing Chlorite, Actinolite, and Epidote)) — metamorphic

Greenstone

Greenschist (commonly containing Chlorite, Actinolite, and Epidote)

Slate (Foliated Metamorphic Rock (primarily composed of quartz, illite, chlorite, and micas)) — metamorphic

Slate

Foliated Metamorphic Rock (primarily composed of quartz, illite, chlorite, and micas)

Greenstone (Greenschist (composed of chlorite, actinolite, and epidote)) — metamorphic

Greenstone

Greenschist (composed of chlorite, actinolite, and epidote)

Slate (Metamorphic Pelitic Rock) — metamorphic

Slate

Metamorphic Pelitic Rock

Greenstone Pebbles (Basalt/Diabase) (Metamorphosed Mafic Rock (Greenstone)) — metamorphic

Greenstone Pebbles (Basalt/Diabase)

Metamorphosed Mafic Rock (Greenstone)

Slate (Slate (Metamorphosed Shale or Mudstone)) — metamorphic

Slate

Slate (Metamorphosed Shale or Mudstone)

Greenstone / Greenschist (Greenschist (metamorphosed mafic rock)) — metamorphic

Greenstone / Greenschist

Greenschist (metamorphosed mafic rock)

Greenstone (Greenschist) — metamorphic

Greenstone

Greenschist

Greenstone (Metabasalt (composed mainly of chlorite, epidote, and actinolite)) — metamorphic

Greenstone

Metabasalt (composed mainly of chlorite, epidote, and actinolite)

Greenstone (Metabaltic/Greenschist) (Chlorite schist / Meta-basalt) — metamorphic

Greenstone (Metabaltic/Greenschist)

Chlorite schist / Meta-basalt

Slate Pebble (Low-grade Metamorphosed Shale (Slate)) — metamorphic

Slate Pebble

Low-grade Metamorphosed Shale (Slate)

Red Jasper (Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)