Rock Intrusion

This is what we call magma that has forced its way into layers of sedimentray rock.

• fault

• fold

• intrusion

• unconformity

Tags

NGSS.MS-ESS2-1

An intrusion is always ___________ than the rock layers around it and beneath it

• younger

• older

Tags

NGSS.MS-ESS1-4

This law says that if a feature (fault, intrusion, etc) cuts across another feature, it is YOUNGER than the feature is cuts across.

• Law of Original Horizontality

• Law of Superposition

• Law of Cross Cutting Relationships

• Index Fossils

A ________ is a scientist that studies the composition of the Earth, including rock layers.

• biologist

• paleontologist

• chemist

• geologist

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which igneous intrusion is labeled F?

• Batholith

• Lacolith

• Sill

• Batholith

Tags

NGSS.MS-ESS2-2

What is the main difference between extrusive and intrusive igneous rocks?

• Extrusive rocks are more durable

• Intrusive rocks form inside the Earth

• Extrusive rocks contain more minerals

• Intrusive rocks are always darker in color

Scientists use ______ dating to figure out the exact age of something.

• relative

• chemical

• absolute

• rock

The rock formation labeled "P" is a(n)...

• fault

• intrusion

• inclusion

• unconformity

Tags

NGSS.MS-ESS1-4

In this rock layer diagram there are two unconformities, a fault at E and an intrusion at D. Which unconformity occurred first?  How do you know?

• Intrusion D occurred first because the instrusion has been moved by the fault.

• The fault occurred first because it has moved the intrusion D.

• Intrusion D occurred first because it can be seen in all of the rock layers.

• Fault E occurred first because it is a normal fault.

Tags

NGSS.MS-ESS1-4

Which Rock layer or intrusion is the youngest?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4