chp 10 test
Geology 101 with Yancey at Texas A&M University
About this deck
By: baffour boakye
Textbook:
Earth: An Introduction to Physical Geology (9th Edition)
Created: 2009-10-10
Size: 47 flashcards
Views: 19
Textbook:
Earth: An Introduction to Physical Geology (9th Edition)Created: 2009-10-10
Size: 47 flashcards
Views: 19
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continents are made and deformed by what
plate motions
continents are ______than ocean rocks
older
shileds stable platforms, folded mts, belts are what
components of continents
basement complex of metamorphic and igneous rocks
continental shield
composed of a seiriesof zones that were once highly mobile and tectonically active
continental shields
tectonically stable
continental shields
central, older portions of continents, flat - lying, low elevation
continental shields
sedimentary rocks presrved in large basins
stable plaforms
sandstones, limestones and shales deposited in ancient shallow seas
stable platforms
shields covered with horizontal sedimetnary rocks
stable platforms
relatively narrow zones of folded, compressed rocks with association of magnetism
mountain belts
form at convergent plate boundaries
moutain belts
complex geologic episodes of deformation and magnetism since 500ma
mountain belts
magma transferred to continents at subduction zone
magmatic differentation
buoyant fragments of continents attached by plate motion
continental accretion
continents are growing at what rate
2km3/yr
island arcs is the beginning of what
contintental accretion
phillipines and other island groups in the southwester pacific illustrate what
how island arc amalgamate to form protocontinental crust
terranes are accreted over how many yrs
the past 200ma
wrangelia was transported what
5000km away
multiple accreiton of older island arcs, oceanic plateus and marine sedimentary rocks
null
during orogeny what breaks into multiple thrust fault sheers
continental crust
orogeny has mt building by doing what
folding & thrusting of rock layers
what is usually accompanied by magnetic activy and magnetism
orogeny
basina are what type of regions on the map
circular regions of thick sediments
domes are what type of regions
sediments are anomalously
crystalline basement rocks are exposed where
on the tops of some domes, such as the black hll uplift and ozardk dome
owens valley and mount whitney, on the east side of the sierra nevada illustrate the what of the sierra Nevada along a major normal fault
uplift
africa is mostly contained by what?
shield and platform..some basin
orogen is mostly contained where
asia
platfomr is mostly contained where
asia
the united states is made mostly of what type boundaries
shield and oregon..and some platform
what rock found at the bottom of the grand canyon
vishnu schist
much of the cordillera of western north america is made up of
exotic terranes accreted over the past 200millyrs
wrangellia was transported to its present location from 5000km away where
southern hemisphere
northern exotic terranes are made up mostly of what in the north
island arc and submarine deposits
southern america exotic terrain is made mostly of what
island arc displaced continetnal fragments
when plates bearing continents collide, what happens
the continental crust can break into mulitip thrust fault sheets stacked one above the other
thrust faults stacking on top of each other is an example of what
himalayas
the african arabia and indian plates raised chains of what? as they collided w eurasian plate
chains of mts as they collided with Eurasian plate
continuing , intense earth quake activity indicates what
that this orogeny is stil in prgress today.
middle cambrian formed this super contenent
laurentia
after the break up of rodicna, the continent straddled the equator and its southern side was what
a passive continetnal margin, bounded on the south by the iapets ocean
the colision of ________- with the continent of baltica caused the caledonian orogeny and formed what...with arcadian orogeny on the south o it
( early devonian)
( early devonian)
laurenia, laurassia
during the early Permian (270 ma) the end product of these episodes of continental convergence was what
supercontinent of pangaea
in the granite green stone terrain what lies on the top?
( archaen craterss )
( archaen craterss )
high grade metamorphic terrain
in the granite green stone terrain what lies on the bottom?
( archaen craterss )
( archaen craterss )
granite
About this deck
By: baffour boakye
Textbook: Earth: An Introduction to Physical Geology (9th Edition)
Created: 2009-10-10
Size: 47 flashcards
Views: 19
Textbook:
Earth: An Introduction to Physical Geology (9th Edition)Created: 2009-10-10
Size: 47 flashcards
Views: 19
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“Simply amazing. The flash cards are smooth, there are many different types of studying tools, and there is a great search engine. I praise you on the awesomeness.”
Dennis
Dennis