GEOL 100 – An unconformity is a buried
An unconformity is a buried ________.
Question 1 options
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:fault or fracture with younger strata above and older strata below
fault or fracture with older rocks above and younger rocks below
surface of erosion separating younger strata above from older strata below
surface of erosion with older strata above and younger strata below
In the late 1700s James Hutton published his important work titled ________.
Question 2 options:
Principles of Geology
Catastrophism
Theory of the Earth
Modern Earth Science
Catastrophism ________.
Question 3 options:
was a philosophy that was first expounded by the early Greeks
was based upon the belief that Earth was millions of years old
is a modern term used to describe earthquakes and volcanic activity
helped man understand the true nature of the forces that shaped the Grand Canyon
The subdivision of the geologic time scale that represents the longest time span is called a(n) ________.
Question 4 options:
era
epoch
period
stage
What of the following refers to the investigative process by which geologists identify and match sedimentary strata and other rocks of the same ages in different areas?
Question 5 options:
cross-access dating
strata indexing
super matching
correlation
Which of the following denotes the divisions of the geologic time scale in correct order of decreasing lengths of time beginning with the longest time interval and ending with the shortest?
Question 6 options:
eon, era, period, epoch
eon, epoch, period, era
eon, era, epoch, period
era, period, epoch, eon
Which one of the following is true regarding tsunamis?
Question 7 options:
Their wave heights decrease and wavelengths increase as they move into shallower water.
They travel as deep-water waves at speeds greater than surface seismic waves but slower than S waves.
They are started by fault-induced, horizontal shifts in the seafloor that suddenly propel great masses of water in opposite directions.
They occur in the open ocean, wavelengths are many miles or kilometers and wave heights are only a few feet.
The ________ magnitude scale is a measure of the energy released. It does not directly measure the extent of building damage.
Question 8 options:
Richter
Reid
Mercalli
Gutenberg
P waves ________.
Question 9 options:
have higher amplitudes than do S waves
produce the strongest ground shaking
propagate only in solids
are faster than S waves and surface waves
What is the age of the Earth accepted by most scientists today?
Question 10 options:
6.4 billion years
4.5 million years
6.4 million
4.5 billion