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Download Midterm 1 | GEOL 3100 - Geology of the Western National Parks and more Quizzes Geology in PDF only on Docsity!
Yellostone National Park
National Park was the first national park established by
Congress and the President in 1872
TERM 2
National Monument
DEFINITION 2
generally smaller area preserving one or a few unique
resources
TERM 3
National Preserve
DEFINITION 3
are areas having characteristics associated with national
parks, but in which congress has permitted continued
public hunting, trapping, oil/gas exploration and
extraction.
TERM 4
Plate Techtotnic Theory
DEFINITION 4
lithospheric plates are in motion, driven by convective
movement of mantle rock.
TERM 5
Geologic Province
DEFINITION 5
Is any large area or region characterized by similar
geologic features or by a geologic history differing
significantly from adjacent areas.
Crust
Thin, solid outer layer of earth
TERM 7
Crust and the Upper
Mantle
DEFINITION 7
Earth's lithosphere consists
TERM 8
Magnetic Field
DEFINITION 8
Earths' ______________ is/are caused by the movement of the
outer, liquid metal core against the inner, solid mental core
TERM 9
Outer Core
DEFINITION 9
Interior portion of Earth composed dominantly of liquid
iron
TERM 10
The following properties are characteristic of
oceanic crust
DEFINITION 10
high density (3 gm/cc), iron rich, silica poor, floats lower
than continental crust.
NOT 50 km thick.
Convergent Margin
An area where two lithosperic plates are moving toward
each other, resulting in collision and formation of a
mountain chain
TERM 17
Strike-slip fault
DEFINITION 17
Another name for transform boundary
TERM 18
Reverse Fault
DEFINITION 18
A thrust fault is a type of
TERM 19
Footwall
DEFINITION 19
The rock surface below a dip-slip fault
TERM 20
Normal Fault
DEFINITION 20
is one where the hanging wall moved downward relative
to the footwall.
Angular Unconformity
An unconformity in which strata below dip at an angle
different from that of the beds (layers) above is
TERM 22
Bowen's Reaction Series
DEFINITION 22
is a diagram showing order in which different minerals
crystallize during cooling and crystallization of magma.
TERM 23
Magmatic Differentiation
DEFINITION 23
is the process of generating more than one rock type
from a single magma.
TERM 24
Quartz and Feldspars
DEFINITION 24
The dominant minerals in a granitic rock
TERM 25
Pumice
DEFINITION 25
is porous rock from "frothy" lava
Regional Metamorphism
Foliated rocks are associated with
TERM 32
Gypsum
DEFINITION 32
would be an example of a chemical sedimentary rock.
TERM 33
Correlation
DEFINITION 33
the matching of sedimentary rocks of similar ages in
different regions.
TERM 34
Formation
DEFINITION 34
is a rock unit that is distinctive enough in appearance
that a geologic mapper can tell it apart from the
surrounding rock layers.
TERM 35
Principle of Faunal Succession
DEFINITION 35
According to this,fossils in sedimentary rock strata
succeed each other vertically in a specific, reliable order
that can be identified over wide horizontal distances.
Index fossils
are life forms which existed during limited period of
geologic time.
TERM 37
Mesozoic
Era
DEFINITION 37
Dinosaur fossils can be found in rocks on the this era
TERM 38
Precambrian eon
DEFINITION 38
The first one-called organisms were found in rocks
TERM 39
Henri Bacquerel
DEFINITION 39
discovered radioactivity in 1896
TERM 40
Ernest Rutherford
DEFINITION 40
was the first person to propose that radioactive elements
can be used to absolutely age-date rocks
