Exploring Sedimentary Rocks

What are the three main types of sedimentary rocks?

• Granite, Basalt, and Limestone

• Igneous, Metamorphic, and Sedimentary

• Clastic, Chemical, and Bioclastic

• Sandstone, Shale, and Conglomerate

Which process involves the breaking up of larger rocks into smaller fragments?

• Compaction

• Weathering

• Deposition

• Erosion

What is the most common erosional agent on the planet?

• Gravity

• Ice

• Water

• Wind

Which type of clastic rock is made up of rounded fragments?

• Breccia

• Sandstone

• Conglomerate

• Shale

What is the term for the process of sediments being glued together by natural cement?

• Weathering

• Lithification

• Erosion

• Deposition

What are the remains of dead plants and animals locked up in sedimentary rocks called?

• Layers

• Fossils

• Ripple marks

• Mud cracks

What is the process called when water evaporates and leaves behind dissolved minerals?

• Compaction

• Precipitation

• Evaporation

• Cementation

Which rock is made up of the mineral halite?

• Limestone

• Dolostone

• Rock salt

• Rock gypsum

What type of sedimentary rock is coal?

• Chemical

• Clastic

• Igneous

• Bioclastic

Which rock can be formed by both chemical precipitates and cemented shells?

• Shale

• Conglomerate

• Sandstone

• Limestone