Geologic History 1 Question Preview (ID: 1346)

Principles That Guide In Interpreting Earth History.

The present is the key to the past describes
a) Principal of Superposition
b) Principal of cross cutting
c) Principal of Horizontality
d) Principal of Uniformity

The principal of superposition states that
a) The present is the key to the past
b) Layers are deposited in horizontal layers
c) The youngest event is on the top
d) The youngest event is on the bottom

Which event is older?
a) Sediments that make up a sedimentary rock
b) contact metamorphism on limestone
c) An igneous intrusion in a sedimentary rock
d) A sedimentary rock made of sediments

Which event is youngest?
a) A fault in sedimentary rocks
b) All of the examples
c) An intrusion into sedimentary rocks
d) A fold in sedimentary rocks

There are three rock layers. Layer A is above B. Layer B is above layer C. Which layer is the oldest layer?
a) A
b) B
c) C

How are sedimentary layers deposited?
a) In flat horizontal layers
b) Folded
c) Faulted
d) With intrusions

What is relative dating of rock layers?
a) The actual age of a rock layer
b) The age of a rock layer in relation to other rock layers
c) The decay product of an element
d) Age cannot be determined using rock layers

How can a rock layer on the top be older than a rock layer beneath it?
a) The layers were deposited horizontally
b) The rock layers were made of sediments
c) The rock layers were folded over
d) The rock layer was moved by man

Which event is youngest?
a) Sediments that make up a rock
b) The cement that binds the sediments
c) The rock made of sediments
d) An intrusion in the sedimentary rock

Contact metamorphism in rock layers will form a transition zone between which two rocks?
a) Basalt and granite
b) Limestone and sandstone
c) Sandstone and granite
d) Siltstone and shale

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