Vocab
Disturbed
Rock Layers
Class Questions
What or who am I?
100
The preserved remains of something that was once living.
A fossil.
100
Where are older rock layers always located?
Towards the bottom
100
This states that a crack or break in rock must be younger than the rock layer it cuts through
Crosscutting
100

 What is the process by which sedimentary rock forms?

weathering, erosion, deposition

100

I have 2 wheels low to the ground and a motor

What is an electric scooter?

200

This is the process of determining the order of past events compared to other events.

Relative Dating

200
This is a break or crack in a layer of rock.
Fault
200

Sedimentary rocks are almost always deposited in horizontal layers. What law is this?

Law of Original Horizontality

200

What does a geologic column or outcrop show us?

Which rock is younger and which rock is older

200

The study of rock strata is called

What is stratigraphy?

300
This states that younger rocks always lie above older rocks.
Law of Superposition
300
This is when pieces of a rock layer shift up while other shift down.
Tilting
300

The process that is currently shaping the Earth has been the same process since the formation of the Earth, what does this explain?

Law of Uniformitarianism:

300
What must be present in order for an intrusion to form?
magma/igneous rock
300

I have 4 legs, sharp teeth, walk low to the ground, and swim...

What is an alligator?

400
This is a break in the geologic record. (when a rock layer is missing)
An unconformity
400
When pressure pushes rocks together, this process begins to disturb rock.
folding
400
A fossil is found in a rock layer that is 5000 years old. How old might the fossil be?
Around 5000 years old
400

Could a fossil be formed in an igneous intrusion? Why or why not?

No, hot lava or magma is needed and a fossil would burn. 

400

Show up, do work, participate

What is passing this Ms. Sautner's class?

500

Someone who studies rock layers and their ages

 What is a Geologist?

500
What are the five ways that rocks are disturbed?
Folding, Faulting, Tilting, Intrusion, Unconformities
500

When igneous rock forms inside of a sedimentary layer, what is it called?

Intrusion

500

An intrusion disturbed a layer of sandstone, then a layer of limestone. Who is the youngest?

Intrusion 

500

I am out in a theatre near you I am not your ordinary physician? 

Who is Dr. Strange? 

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