crude writeup - Trevor Nestor Period 1 Crude Video Writeup...

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Trevor Nestor Period 1 “Crude” Video Writeup In the region of present day Middle East, millions of years ago the earth’s climate and land mass configuration allowed the formation of oil. In the greenhouse world of the past, carbon dioxide levels were exceedingly high, keeping the Earth warm and preventing the formation of polar ice. In the ancient Tethys Sea surrounding the region, phytoplankton were abundant and stored carbon from the atmosphere in the form of oil. In the seas of the Jurassic Middle East, anoxic conditions formed from rapidly dying phytoplankton and water depth. It was the anoxic state of ancient seas that allowed dead organisms to die and accumulate along sea bottoms undecayed. Today, mountains of black rocks are the legacy of these dead organisms. These oil shales are not particularly useful to fill up petrol tanks, but in the depths of “Earth’s natural oven,” oil and natural gas are formed and trapped and can be refined for use. Oil shales were laid down and formed in the Middle East three times in the past; once in the Jurassic, and twice in the
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crude writeup - Trevor Nestor Period 1 Crude Video Writeup...

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