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REVIEW - Age of Rocks Flashcards | StudBud
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REVIEW - Age of Rocks
REVIEW - Age of Rocks
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1
What is the arrow referring to in the image(s) below?
Unconformity
Foliding
Faulting
Limestone
2
A 'break' or gap in the rock record is referred to as a(n).......
Unicorn
Unconformity
Uncertainty
Uniformitarianism
3
An isotope is a different form of a particular element. What makes them different?
# of Electrons
# of Parent Product
# of Neutrons
# of Protons
4
A measure of the amount of time (years before present) since the formation of a rock.
Absolute Age
Relative Age
5
Which of the following geologic 'principles' support the idea that '3' is the youngest event?
Cross Cutting Relationships
Original Horizontality
Faunal Succession
Superposition
6
Which rock 'strata' is older than Mississipian, but younger than the Cambrian?
LeBronian
Pennsylvanian
Devonian
Silurian
7
Organisms that only existed for a short amount of time, used to help determine rock age...
Index Fossils
Reference Fossils
Fossil Casts
Research Fossils
8
Which of the choices below most accurately describes the ABSOLUTE age of layer 'C'?
257 million years old
95 million years old
74 million years old
118 million years old
9
What happens to the amount of the daughter 'product' as time goes on?
It DECAYS
It remains CONSTANT
It INCREASES
It DECREASES
10
Which of the following is the YOUNGEST?
Rock Layer C
Fault E
Intrusion D
Rock Layer A
11
Please put the following numbers in the order that they occurred starting with the oldest.
3, 1, 6, 2, 5, 4
5, 4, 2, 1, 6, 3
2, 4, 5, 3, 6, 1
4, 5, 2, 6, 1, 3
12
The age of a rock/event as it compares to surrounding rocks/events is referred to as it's......
Absolute Age
Relative Age
13
The 'principle' that states that an intrusion or fault is always younger than the affected rock
Cross Cutting Relationships
Inclusions
Uniformitarianism
Superposition
14
This symbol represents which of the following companies?
Toyota
Tops
Tosh .O
Tonka
15
The amount of TIME required for a substance to decrease itself by HALF is referred to as it's..
Decay Rate
Half-Life
Parent/Daughter Relationship
Isotope
16
Which principle of geology tells us that layer 'E' is younger than layer 'B'?
Uniformitarianism
Superposition
Original Horizontality
Cross Cutting Relationships
17
Based on the fossil chart below, which of the fossil groups existed for the shortest time span?
Cavusgnathus
Apatognathus
Taphrognathus 'SP'
Ligonodina
18
What percentage of the radioactive parent isotope is in the rock at it's formation?
50%
75%
100%
25%
19
Which geologic principle states that past events can be explained by our current observations?
Faunal Succession
Uniformitarianism
Inclusions
Superposition
20
Rock layer '1' is which type of rock?
Limestone
Shale
Basalt
Sandstone
21
According to this 'principle', sedimentary rocks are always deposited horizontally in layers
Inclusions
Original Vertically
Original Horizontality
Superposition
22
The geologic 'principle' that states the 'present is the key to the past'......
Cross Cutting Relationships
Uniformitarianism
Superposition
Faunal Succession
23
Which animal that exists today, is believed to have been descended from the dinosaurs?
Crocodiles
Lizards
Birds
Alligators
