Relative Dating
Correlation
More Relative Dating
Even More Relative Dating
Index Fossils
100
Looking at the picture below: what is the name of the rock layer that is the oldest
Shale
100
Correlation is a fancy word for what
Matching up
100
If an igneous intrusion is touching sandstone, what metamorphic rock could be created?
Quartzite
100
This is a break or crack in a layer of rock.
Faulting
100
Why are index fossils important?
They are useful in determining the geologic age of the rock in which it is found.
200
What is the most recent event that took place based on the following picture
Folding
200
Daily double!!
Determine how many points your team would like to wager. Once you're ready, you will have 2 minutes to answer the question.
What are the names and time periods for these 3 fossils:
200
What is the Law of Original Horizontality?
Sedimentary rocks are originally laid horizontally
200
Relatively, are mammals older than eurypterids?
No!
200
During what period did we have this fossil?
The Silurian.
300
A gap in geologic time is referred to as what?
Unconformity
300
What type of rocks allow for correlation with fossils?
Sedimentary rocks only
300
What is the law of super position?
Oldest is at the bottom, youngest at the top
300
If limestone is touching an igneous intrusion, what rock could be formed?
Marble
300
What 3 characteristics make up an Index Fossil?
Large Geographic Area
Commonly Found
Short Lived
400
Which is older... folding, or a fault that cuts through everything?
Folding
400
Why can't metamorphic and igneous rocks contain fossils?
They would melt/get destroyed with heat and pressure
400
What is the law of cross cutting?
Anything that cuts through rocks that are already there is younger.
400
What landscape region is made up primarily during the Devonian?
Alleghany Plateau
400
What important geologic event took place when this mammal was once alive?
Advance and retreat of last continental ice
500
What is the last event that took place, based on the diagram below
Igneous Intrusion of Contact Metamorphism
500
If a fossil is found in a particular rock layer, what can we say about the age of both the fossil and the rock layer?
The formed at the same time.
500
What are the 4 things needed to have an Unconformity?
Uplift
Erosion
Subsidence
Deposition
500
What are three examples of intrusions
Batholiths, Lacoliths, Sills
500
What is the name of the placoderm that lived during the Devonian?
Bothriolepis
