FINAL 1 & 2 Flashcards
_____ is a small area which may preserve one or a few unique resources ( e.g. Civil War battlefield)
National monument
______ is an area, set aside bay an Act of Congress, having great scenic and scientific importance, with boundaries that provide for enough land and water to protect the resources
National Park
The following features are associated with a divergent boundary except _______:
trench
An _________ a far-traveled continent or island that collided with and is sutured to another continent/island:
allochthonous terrance
The _______ is a diagram showing the order in which different minerals crystallize during cooling and crystallization of magma:
Bowen’s Reaction Series
The process of generating more than one rock type from a single magma is referred to as _________:
Magmatic Differentiation
_______ are life forms which existed during limited periods of geologic time and thus used as guides to the age of the rocks in which they are preserved
Index Fossils
Dinosaurs fossils can be found in rocks of the ______
Mesozoic era
A/An _____ marks the end of one period of sedimentation and beginning of another:
bedding plane
________ afga is the age in years of a particular geologic event or feature, generally obtained with radiometric dating techniques:
Absolute
_______ was the first person to propose that radioactive elements can be used to absolutely age-date rocks:
Ernest Ruterford
Fossils in sedimentary rocks strata succeed each other vertically in a specific, reliable order:
Principle of Faunal Succession
The Basin & Range Province of SW United States formed as a result of crustal _______:
tension when western edge of N. America became a transform margin.
A tabular body of igneous rock which squeezed in between layering of sedimentary rocks is a ______
sill
The Sierra Nevada Range is an example of a _________
batholith
Highly explosive magmas are controlled by which of the following?
high silica content, high water content and low temperatures
________ are mudflows on slopes of volcano created when laters of ash and debris becomes saturated with water and move downslope:
Lahars
Since the late 1960’s most of the Hawaiian volcanic eruptions have occured
along the East Rift Zone
The “Great Crack” in Hawaii is a result of _____:
crustal dilation
Black sand beaches of Hawaii are formed ____
when hot lava flows enter the sea and shatters into glass fragments
Most earthquakes in Yellowstone Park is located along the _______:
Hebtgen Lake Fault
The array of vivid colors within Grand Prismatic Spring is produced
Thermophile bacteria
