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2011-3-21-Lecture-traps&drilling

2011-3-21-Lecture-traps&drilling - 92 th S Rift...

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Artist? a. The Kinks b. The Animals c The Zombies c. d. The Who e. The Troggs 87
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Unconformities represent non-deposition or erosion often indicate tectonic events or global sea level change laterally very continuous change, laterally very continuous • types di f it ( ll l d l b d b l disconformity (parallel sed layers above and below, missing some time) nonconformity (sed rocks on top of nonconformity (sed rocks on top of igneous/metamorphic basement) –angular unconformity (rocks above and below have angular unconformity (rocks above and below have different orientation)
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Angular Unconformity
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Disconformity
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