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The idea that younger rocks lie on top
Oldest rocks are on the bottom.
superposition
Rock layers are horizontal
angular unconformity
uncomformity
a disconformity
relative dating
disconformity
The process of figuring out if an object is older or younger than another
Oldest rocks are on the bottom.
superposition
Rock layers are horizontal
angular unconformity
uncomformity
a disconformity
relative dating
disconformity
How does a geologist know that rock layers are undisturbed?
Oldest rocks are on the bottom.
superposition
Rock layers are horizontal
angular unconformity
uncomformity
a disconformity
relative dating
disconformity
What is the most common type of unconformity?
Oldest rocks are on the bottom.
superposition
Rock layers are horizontal
angular unconformity
uncomformity
a disconformity
relative dating
disconformity
A break in the geologic record
Oldest rocks are on the bottom.
superposition
Rock layers are horizontal
angular unconformity
uncomformity
a disconformity
relative dating
disconformity
How are rock layers arranged in the geologic column?
Oldest rocks are on the bottom.
superposition
Rock layers are horizontal
angular unconformity
uncomformity
a disconformity
relative dating
disconformity
The process of wearing down a missing layer that exist between horizontal and folded rock layers
Oldest rocks are on the bottom.
superposition
Rock layers are horizontal
angular unconformity
uncomformity
a disconformity
relative dating
disconformity
A missing layer of parallel rock.
Oldest rocks are on the bottom.
superposition
Rock layers are horizontal
angular unconformity
uncomformity
a disconformity
relative dating
disconformity
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