Sedimentary Rock Classification

Which rock has rounded fragments, grain size is pebbles, cobbles, and/or boulders embedded in sand, and has a clastic texture?

• Conglomerate

• Breccia

• Sandstone

• Siltstone

• Shale

Which rock has angular fragments, grain size is pebbles, cobbles, and/or boulders embedded in sand, and has a clastic texture?

• Conglomerate

• Breccia

• Sandstone

• Siltstone

• Shale

Which rock is fine to coarse, grain size is sand, and has clastic texture?

• Conglomerate

• Breccia

• Sandstone

• Siltstone

• Shale

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Which stone has very fine grain, grain size is silt, and has a clastic texture?

• Conglomerate

• Breccia

• Sandstone

• Siltstone

• Shale

Which rock is compact; may split easily, grain size is clay, and has a clastic texture?

• Conglomerate

• Breccia

• Sandstone

• Siltstone

• Shale

Which rock has halite as the composition, grain size fine to coarse, and has a crystalline texture?

• Rock Salt

• Rock gypsum

• Dolostone

• Limestone

• Bituminous coal

Which rock has gypsum as its composition, grain size of fine to coarse crystals, and has a crystalline texture?

• Rock salt

• Rock gypsum

• Dolostone

• Limestone

• Bituminous coal

Which rock has dolomite as its composition, grain size is fine to coarse crystals, and has a crystalline texture?

• Rock salt

• Rock gypsum

• Dolostone

• Limestone

• Bituminous coal

Which stone has calcite as its composition, microscopic to very coarse grain size, and crystalline or bioclastic texture?

• Rock Salt

• Rock gypsum

• Dolostone

• Limestone

• Bituminous coal

Which stone has carbon as its composition, grain size is microscopic to very coarse, and has a bioclastic texture?

• Rock salt

• Rock gypsum

• Dolostone

• Limestone

• Bituminous coal