Are Oil sands potential source rocks, possible source rocks or Effective source rocks?, Any possible explanation?
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Oil sands are not typically considered potential, possible, or effective source rocks for oil and natural gas.
Source rocks are sedimentary rocks that contain organic matter that can be transformed into oil and natural gas through the process of diagenesis. Source rocks are typically rich in organic material, such as plant remains, and are typically found in sedimentary basins where the organic matter has been buried and subjected to high temperatures and pressures.
Oil sands, on the other hand, are sedimentary rocks that contain bitumen, a thick, heavy oil that is mixed with sand, clay, and water. Oil sands are found in various locations around the world, including Canada and Venezuela. Oil sands are not considered source rocks because they do not contain significant amounts of organic material that can be transformed into oil and natural gas. Instead, they contain bitumen that was formed from the decomposition of ancient plant and animal remains that were buried in the sedimentary basins where the oil sands were formed.
Therefore, while oil sands may contain oil, they are not considered source rocks because they do not contain the type of organic material that can be transformed into oil and natural gas through the process of diagenesis