Chalk Formation and History Quiz

What is the primary component of chalk, as discussed in the video?

• Sodium chloride

• Magnesium sulfate

• Calcium carbonate

• Silicon dioxide

Which organisms are responsible for the formation of chalk?

• Dinosaurs

• Coral reefs

• Coccolithophores

• Ancient mammals

How does chalk differ from limestone?

• Chalk is harder and coarser

• Chalk is softer and finer-grained

• Chalk is made of silicon

• Chalk is older than limestone

Where can you find natural chalk deposits in Texas?

• In the deserts of West Texas

• In the Austin Chalk Formation

• In the Piney Woods region

• Along the Gulf Coast

What historical period is associated with the formation of the Cretaceous interior seaway?

• Permian

• Jurassic

• Triassic

• Cretaceous