Sedimentary Rock Classification

rock formed from sediments, organic remains, or chemical precipitates

• Sedimentary Rock

• Metamorphic Rock

• Extrusive Igneous Rock

• Intrusive Igneous Rock

– the sizes, shapes, and positions of the grains in a rock

• texture

• strata

• lithification

• foliation

layers of sedimentary rock that form from the deposition of sediments

• strata

• texture

• foliation

• lithification

Tags

NGSS.MS-ESS1-4

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-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

Tags

NGSS.MS-PS1-2

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