slide no. 1 geology of the san francisco bay area (east bay) · 2011-06-20 · geology of the san...
TRANSCRIPT
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Slide No. 1
Geology of the ocsicnarFnaS
aeAryaB y)aBtasE(
Fremont Hills,California
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Slide No. 2
G
o
Ca
f
eology
lifornia
East Bay Hills are part ofthe Coast Range (red)
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Slide No. 3
how these rocks move through time
sedimentary metamorphic
So what is geology?rocks and
gneousi
sedimentarysedimentary
all three
igneous igneous
San FranciscoSierras
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Slide No. 4
Geology of the
Regional Area
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Slide No. 5
So how do they move?
San Andreas fault system hasmoved rocks along a belt on thecoastal region of California (slip-slide motion)
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Slide No. 6
Seismogram that traces howseismic waves move throughthe San Francisco Bay region;this helps us to understand howrocks have moved through time
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Slide No. 7
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Slide No. 8
5,000 years before present1 ears befo,000 y01 re present
tnseree pfors beear00 y05,
EVOLUTION OF THE SF BAY REGION
Land
Water
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Slide No. 9
Fremont(Irvingtonian Stage)
Fossils that were found inthis peaceful area in the1950' s
rib of a mastodon that roamed this area