Sedimentary and Metamorphic Rocks

The primary feature of sedimentary rocks is horizontal layering of sediments called.....

• cementation

• lithification

• bedding

• deposition

This is an example of what?

• cross-bedding

• graded bedding

• angular grains

• deposits

Tags

NGSS.MS-ESS1-4

The most common sedimentary rocks are formed from the abundant deposits of loose sediments that accumulate on Earth's surface are called.....

• angular

• rounded

• clastic

• chemical

Sedimentary rocks are classified by grain size, mode of formation, and mineral content.

• True

• False

Grain size can range from fine, medium, to coarse for both foliated and nonfoliated rocks.

• True

• False

During foliated rock formation grain size goes from fine to coarse dependent upon increasing heat and pressure.

• True

• False

Coal is a nonfoliated rock made of only carbon.

• True

• False

Rocks that change as a result of exposure to intense heat and or pressure is known as

• igneous

• sedimentary

• metamorphic

What rock has a crystalline texture, fine to coarse crystals, and made of halite?

• Rock gypsum

• Rock salt

• Dolostone

• Limestone

What is limestone?

• A bioclastic rock

• Microscopic to very coarse rock made of carbon

• Made of calcite and can have crystal or bioclastic texture

• Made of compacted plant remains