ROCK LAYERS AND FOSSILS Question Preview (ID: 56325)
NYS Regents Questions On Relative Dating And Sequencing.
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According to the rule of cross-cutting, a fault is always ___________ the rock layers it cuts through.
a) above
b) below
c) older than
d) younger than
Devonian bedrock is found on top of Carboniferous bedrock. Which of the following would be true?
a) The rock layers were faulted.
b) The rock layers were tilted
c) The rock layers were eroded away
d) The rock layers were overturned.
Contact metamorphism, when found within rock layers, is proof that
a) The rock it made contact with is basalt
b) The rock it made contact with is older
c) The rock it made contact with is younger
d) The rock it made contact with became sandstone
The index fossil, Hexamoceras, is found in a layer of shale. If no overturning has occurred, what index fossil could be found in the rock layers found below it
a) Phacops
b) Centrocrinus
c) Cryptolithus
d) Bothriolepus
The principle of Uniformitarianism means that
a) The geologic events that we see happening today have happened in the past
b) The extinctions of the past have removed most forms of life ever in existence.
c) The rock pattern and sequence across NYS is the same
d) Fossils of the past have the same characteristics as the living organisms do today
Which of the following best describes the principle of superposition?
a) Rock layers cannot be overturned
b) The oldest rocks are found at the bottom of rock layers, unless overturning has occurred.
c) The youngest rocks are found at the bottom of rock layers, unless overturning has occurred.
d) The oldest rocks are at the top of rock layers, unless overturning has occurred.
Listed from bottom to top, which of the following sequences would be rock layers that were not overturned?
a) Cambrian, Ordovician, Silurian
b) Devonian, Silurian, Ordovician
c) Jurassic, Triassic, Cretaceous
d) Carboniferous, Permian, Silurian
The matching up of rock layers based upon similar fossils, rock sequence and rock type is called
a) cross-cutting
b) superposition
c) correlation
d) uniformitarianism
If an intrusion cuts through layers of sedimentary rock and there is a fault through the intrusion, what is the oldest feature in the rock pattern?
a) The intrusion
b) The fault
c) The sedimentary rock layers
d)
What features can be used to correlate rock layers across a fault?
a) The color and texture of the rocks
b) The index fossils in the rocks and the type of rock
c) The rock layer sequence and the rock's density
d) The type of rock and the mineral composition of the rock
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