Hidden in the Grand Canyon Vocab Preview

Igneous and metamorphic rock that make up much of the Earth's crust

• basement rock

• cementation

• compaction

• period

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

The chemical process that occurs when sediments bond together into sedimentary rock

• basement rock

• cementation

• compaction

• period

The physical and chemical process of layers of sediment layering on top of each other and pushing and squeezing together

• basement rock

• cementation

• compaction

• period

A subdivision of time that is smaller than an era and maybe divided into epochs

• basement rock

• cementation

• compaction

• period

Tags

NGSS.MS-ESS1-4

Over time layers of sediment are naturally DROPPED on top of one another

• deposition

• eon

• index fossil

• sedimentary rock

Tags

NGSS.MS-ESS2-2

A division of time which is divided into eras

• deposition

• eon

• index fossil

• sedimentary rock

Tags

NGSS.MS-ESS1-4

An organism preserved in rock that helps identify geological time periods

• deposition

• eon

• index fossil

• sedimentary rock

Tags

NGSS.MS-ESS1-4

A type of rock that is formed from sediments layered on top of each other

• deposition

• eon

• index fossil

• sedimentary rock

A division of time that is shorter than a period

• epoch

• strata

• superposition

• era

Tags

NGSS.MS-ESS1-4

Layers of rock that are usually visual

• epoch

• strata

• superposition

• era

Tags

NGSS.MS-ESS1-4