Sedimentary Rocks Quiz

What is the process by which water, wind, and ice break larger rocks into sediments?

• Erosion

• Lithification

• Weathering

• Sedimentation

Which type of sedimentary rock is composed of sand-sized grains, typically quartz or feldspar?

• Conglomerate

• Sandstone

• Coal

• Shale

What is the main component of shale, a clastic laminated sedimentary rock?

• Silt

• Gravel

• Sand

• Clay

Which type of sedimentary rock is formed by the lithification of gravel?

• Conglomerate

• Shale

• Coal

• Sandstone

What is the size range of particles in silt, a type of solid sediment?

• Less than 0.004 mm

• Larger than 2 mm

• 0.0625 to 2 mm

• 0.02 to 2 mm

Which type of sedimentary rock is formed when living organisms die and are compressed and cemented together?

• Conglomerate

• Sandstone

• Coal

• Limestone

What is the main component of limestone, a chemical sedimentary rock?

• Calcium magnesium carbonate

• Calcium carbonate

• Calcium sulfate

• Sodium chloride

Which type of chemical sedimentary rock is composed of calcium sulfate?

• Rock salt

• Gypsum

• Limestone

• Dolostone

What is the main use of gypsum, a chemical sedimentary rock?

• Making plaster

• Making cement

• Used in glassmaking

• Used for construction

Which type of chemical sedimentary rock is formed by the alteration of limestone or by the precipitation of calcium magnesium carbonate from seawater?

• Rock salt

• Dolostone

• Gypsum

• Limestone