Sed Rock 3

Which map symbol is used in the Earth Science

Reference Tables to represent an organically formed

sedimentary rock composed mostly of carbon?

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Answer explanation

MAP SYMBOLS

Which type of rock is represented by the

accompanying map symbol?

• clastic sedimentary rock formed from organic

  substances

• chemically formed sedimentary rock that

  consists mainly of the mineral calcite

• regional metamorphic rock with blocklike

  foliation

• contact metamorphic rock that results from

  the alteration of limestone by contact with an

  ingneous intrusion

Tags

NGSS.MS-ESS1-4

Which rock was organically formed and sometimes

contains fossilized plant impressions?

• rock gypsum

• phyllite

• breccia

• coal

Tags

NGSS.MS-LS4-1

The cross section below shows four rock units, A,

B, C, and D.

Which rock unit is youngest in age?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4

Rocks are classified as igneous, sedimentary, or

metamorphic based primarily on their

• texture

• crystal or grain size

• method of formation

• mineral composition

Which table correctly matches rock textures with a

sedimentary rock that exhibits each texture?

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Tags

NGSS.MS-ESS2-1

Rocks can be classified as sedimentary, igneous,

or metamorphic based primarily upon differences

in their

• color

• density

• origin

• age

The accompanying diagram represents the fossils

found in a bedrock formation located in central

New York State.

In which type of rock were the fossils most likely

found?

• igneous rock that formed in an ocean

  environment

• igneous rock that formed in a land

  environment

• sedimentary rock that formed in an ocean

  environment

• sedimentary rock that formed in a land

  environment

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which two kinds of adjoining bedrock would

most likely have a zone of contact metamorphism

between them?

• shale and conglomerate

• shale and sandstone

• limestone and sandstone

• limestone and granite

Which element is always found in bioclastic

sedimentary rocks?

• iron

• sodium

• carbon

• sulfur