Geography Final Questions 7
The Precambrian Eon encompasses what percentage of the Earth's total history?
22.4%
Who first proposed the theory of uniformitarianism?
James Hutton
The Sierra Nevada mountain range in California is an example of
an exposed batholith
Sedimentary rocks are more a product of the _________ system whereas metamorphic and igneous rocks are more a product of the __________ system.
exogenic; endogenic
Continental crust is basically _______, whereas oceanic crust is basically ________
granite; basalt
The layer within the earth that lies directly below the lithosphere, but above the upper mantle, is best described as
a plastic-like layer that flows in response to heat and pressure
The belief that large disasters (such as the flood described in the Christian Bible) have produced most of the major features of the earth is called:
catastrophism
The principles of buoyancy and balance, when applied to the Earth's crust, helps us to explain fluctuations in Earth's outer crust, a property known as
isostasy
Which of the following is not a cementing agent for clastic sedimentary rocks?
salt
The occurrence of contact metamorphism would be direct evidence for
the local intrusion of magma
