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Lecture Notes for GEOS 1024 - Resources Geology with Liogys at Virginia Tech (VT)

Notes Information

Material Type:Note 1
Professor:Liogys
Class:GEOS 1024 - Resources Geology
Subject:Geosciences
University:Virginia Polytechnic Institute And State University
Term:Fall 2008
Keywords:
  • Source Rock
  • Reservoir Rocks
  • Impermeable
  • Limitations
  • Mineral Resources
  • Distribution
  • Temperature
  • Ground Water
  • On the Ground
  • Sedimentary
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Sample Document Text

Oil- Chapter 14- pg 318-342 Oil Formation o Oil forms from burial and decay of marine organisms, ills pore spaces of sedimentary rocks o Plankton in the ocean dies => falls to the sea floor=> and is buried along with sediment (sedimentary rocks) => oil fills the pore spaces of the source rock, temperature and pressure convert the organisms to oil =>oil migrates through the sock until it reaches an impermeable surface (oil surrounding a salt dome trap) o Oil is less dense than water so it moves through the sediment and move its way up to the surface o Oil migrates out of source rock and through a permeable reservoir until it reaches a trap o Oil forms in a source rock as shale o Oil migrates through reservoir rocks, including sandstone and limestone o Oil is less dense then water so it will float to the top. It will migrate until it reaches a trap o Cap rock-impermeable o Oil accumulates within petroleum traps over geologic time o Right on top of oil pockets, have pockets of natural gas, and below the oil is g...

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