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Geology Final 1
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Phaneritic:
Large crystals
Aphanitic:
Microscopic crystals
Porphyritic:
large crystals embedded in a matrix of smaller crystals
Pegmatitic:
coarse grained
Bowen's reaction series:
Minerals crystallize in a systematic fashion based on their melting points
Example of a shield volcano:
Mauna Loa
What kind of lava do shield volcanoes have?
basaltic lava
Example of a composite cone volcano:
Mt. St. Helens
Which type of volcano is the largest:
composite cone
Which volcano is the shortest and most short-lived?
Cinder cone
The four major sediment types:
cosmogenous
byogenous
hydrogenous
lithogenous
Schistosity:
layered structure, platy minerals that are discernible with the unaided eye
Where do wave fronts radiate from an eartquake?
Epicenter
Where do most earthquakes occur?
Plate Boundaries
Great earthquakes are associated with what kind of motion?
Stick-slip
P-Waves:
travels through solids and liquids
Short
Short in height
L-Waves:
travel at earth's surface
tall
long
S-Waves:
Travel only through solids
Scale of hardness; fingernail:
2-2.5
Scale of hardness; copper coin:
3.5
Scale of hardness; glass:
5-5.5
Scale of hardness; steel nail:
5-6
Scale of hardness; streak plate:
6.5-7
Author
alyssamerwin
ID
17944
Card Set
Geology Final 1
Description
geology
Updated
2010-05-05T19:36:05Z
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