esas0701temp_SWStretch_stu

esas0701temp_SWStretch_stu - Stretching
the
Southwest...

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Unformatted text preview: Stretching
the
Southwest Basin
and
Range
topography in
the
Mohawk
Mountains,
southwestern
Arizona EARTH
SCIENCE
in
ARIZONA
and
the
SOUTHWEST (U.S.
Geological
Survey,
2007) North
America
at
25
Ma
(Late
Paleogene
Period—time
of
Flareup) Stretching the
Southwest (Ron
Blakey,
NAU) 2 Southwest
at
20‐15
Ma Stretching the
Southwest (Ron
Blakey,
NAU) 3 Formation
of
our
present‐day
topography
over
45
million
years Flareup! Stretching the
Southwest 4 Plate‐tectonic
evolution
of
the
Southwest Stretching the
Southwest (Tanya
Atwater,
UCSB) 5 Stretching the
Southwest 6 Plate‐tectonic
evolution
of
the
Southwest Stretching the
Southwest (McQuarrie
&
Wernicke,
2005) 7 What
happened
to
the
orogenic
belt
after
compressive
tectonics
ended? (Marshak,
2001) Stretching the
Southwest 8 First
episode
of
extension: Latest
Paleogene
(about
25
Ma):

Metamorphic
Core
Complexes (S.
Reynolds) Stretching the
Southwest 9 South
Mountains
Core
Complex (S.
Reynolds) Stretching the
Southwest 10 South
Mountains Mylonite (rock
texture created
by movement
along detachment
fault) (S.
Reynolds) Stretching the
Southwest 11 Basin
and
Range
extension Marshak
(2001) Stretching the
Southwest 12 The
Basin
and
Range
Province Stretching the
Southwest (Bowen) 13 Present‐day
profiles
across
Arizona Stretching the
Southwest (S.
Reynolds) 14 Río
Grande
rift AZGEONET Stretching the
Southwest 15 Great Plains Basin and Range RGR Colorado Plateau Southern Rockies NASA Stretching the
Southwest View is to the south 16 Stretching the
Southwest 17 “If the sedimentary and volcanic rocks could be stripped from the rift basins, the offset would dwarf the topographic relief of the Grand Canyon.” Baldridge and Olsen, 1989 Stretching the
Southwest 18 Stretching the
Southwest 19 (Reynolds, Johnson, Kelly, Morin, & Carter, 2008) Stretching the
Southwest 20 Extension-related basaltic volcanism (Reynolds, Johnson, Kelly, Morin, & Carter, 2010) Stretching the
Southwest 21 Stretching the
Southwest 22 Stretching the
Southwest 23 March
2005 Stretching the
Southwest 24 Stretching the
Southwest 25 The
Southwest
today Stretched
and
rifted Ro cky 
M ou nta ins Great Plains Basin and
Range Sheared
in San
Andreas transform fault
zone High,
uplifted
in
earlier
episode
of
plate
convergence Tran sitio n
Zo ne Stretched
and
rifted away
from Colorado
Plateau, dropped
down Colorado Plateau Río Grande Rift Stretched
and
rifted
open Zone
where
 Plateau
is crumbling
away Stretching the
Southwest (Bowen,
2005:
World
Atlas
of
Panoramic
Aerial
Images,
http://geogdata.csun.edu/world_atlas/2/2.html) 26 ...
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This note was uploaded on 03/01/2011 for the course GLG 394 taught by Professor Semken during the Fall '10 term at ASU.

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