It can be used to see the relative age of rock layers
How is relative dating used?
100
It says that in an undisturbed set of sedimentary layers the top layer would be the youngest and the bottom layer would be the oldest.
What is Law of superposition?
100
It's when a fossil looks the same to when it died
What is Preserved fossils?
200
Contour lines
How do you show height on a topography map?
200
It is used to see the depth of parts of the ocean
What is Sonar used for?
200
Nicolas Steno
Who made Relative Dating? (full name)
200
It says that a geological event can cause layers to tilt
What is the law of Original horizontality?
200
It is made when water gets into the mold and leave sediment that overtime turns into rock
What is a cast?
300
Harry Hammond Hess
Who invented Sonar? (full name)
300
It says that erosive forces an wear away rock and make a valley
What is law of Lateral Continuity?
300
A mold is when an animal leaves an indent in the forming rock
What is a mold?
400
though contour lines and color
What is the two ways to show depth in a bathymetry map?
400
You can look at which fossils are above other fossils to see which fossils are younger then others
How can relative dating help discover the relative age of fossils?
400
It says that anything that cut across a sedimentary layer is younger then the rock around it
What is the law of cross cutting relationship?
400
When an animal dies and decays it leaves behind a carbon film which get preserver within the rock
What is a carbon film?
500
Relative dating is the discovery that in a sequence of events the thing that is on top of everything else would have happened last
What is relative dating?
500
It's when older rock forms in with the newer rock around it
What is an inclusion?
500
It's when a carcass of a dead animal gets formed within a rock, the soft body parts decay and after a long time minerals replace the hard bones of the animals