Uncovering Layers of the Grand Canyon

Uncovering Layers of the Grand Canyon

Multiple Choice

The Grand Canyon is a great place to study geology.

• True

• False

Multiple Choice

Each layer is a ____ capsule of the period in which the layer was deposited.

• animal

• rock

• time

Multiple Choice

The uppermost layer, a pink sandstone, would be classified as

• igneous

• sedimentary

• metamorphic

Multiple Choice

Additionally, this upper layer known as the Esplanade Layer is dated at 300 million years and indicates the environment was

• hot and dry

• hot and wet

• cold and dry

Multiple Choice

1000 feet below the Esplanade layer the rock changes to

• basalt

• shale

• limestone

Multiple Choice

This limestone layer is _______ than the Esplanade Layer.

• older

• younger

Multiple Choice

The fossils in the limestone layer indicate the environment was

• warm and tropical

• hot and dry

• a shallow sea

Multiple Choice

Additionally, this upper layer known as the Esplanade Layer is dated at 300 million years and indicates the environment was

• hot and dry

• hot and wet

• cold and dry