Sedimentary Rocks Quiz

What is the process called when sediment is compacted and cemented into rock?

• Weathering

• Erosion

• Lithification

• Metamorphism

Which type of sedimentary rock is formed from weathered material that is compacted and cemented?

• Chemical

• Clastic

• Metamorphic

• Igneous

What is the primary method used to classify clastic sedimentary rocks?

• Color

• Grain size

• Chemical composition

• Fossil content

What does the presence of rounded clasts in a rock indicate?

• The clasts have not traveled far

• The rock formed in a high-energy environment

• The clasts have undergone significant transport and weathering

• The rock is a breccia

Which of the following is a characteristic of carbonate sedimentary rocks?

• They are primarily formed from detrital sediment

• They are always well-sorted

• They often contain fossils

• They are formed from volcanic activity

What is the main difference between Dunham's and Folk's classification schemes for carbonate rocks?

• Neither requires a microscope

• Folk's is used in the field, while Dunham's requires a microscope

• Both are used interchangeably

• Dunham's is used in the field, while Folk's requires a microscope

What is the main component of carbonate rocks?

• Iron oxide

• Silica

• Calcium carbonate

• Magnesium sulfate

What type of environment leads to the formation of evaporites?

• High-energy marine environments

• Evaporative environments

• Low-energy terrestrial environments

• Volcanic environments

Which mineral is the first to precipitate out of solution in evaporite formation?

• Gypsum

• Calcite

• Halite

• Silvite

What will be the next topic discussed after sedimentary rocks?

• Minerals

• Igneous rocks

• Metamorphic rocks

• Fossils