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The simple answer is oil, like coal, was formed from ancient forrests that laid down millions of years of vegetation that for some reason (flooding, climate change, continental drift) stopped growing and were trapped into pockets that were covered by layers of rock and eventually pressed into coal fields and oil fields. Its not found everywhere because all the conditions needed for the process to work didn't exist everywhere. Oil is an interesting case. No one knows for sure how exactly it was created. You don't find vegetation fossils in oil like you do in coal beds and oil contains Helium, which is not used by plants. Physicist Tommy Gold (recently died) theorized that oil started as Methane (natural gas) ,which is the most common compound found in the universe, trapped in the earth when it was formed. The gas perculated up into a sub layer, like the water table, and was processed (eaten and crapped out) by microbes into oil. This sublayer of oil (estimated to be about 60 miles down) finds cracks above it, leading to pockets closer to the Earth's surface and slowly percolates up into these pockets, which we discover as oil fields. One way he suggested to test his theory was to revisit old pumped out oil fields and see if they had partially filled back up.
What else can I help you with?
In which Parts of the world aids found?
AIDS is found worldwide, but it is most prevalent in sub-Saharan Africa. Other regions with high rates of HIV/AIDS include Southeast Asia, the Caribbean, and parts of Eastern Europe.
How much crude oil is left in the world?
nobody in the world rely knows how much crude oil there is because we might not have found it all yet but the amount we have found is slowly running out
What are the company names of the biggest oil refiners?
i was doing this for a science question and i found them out on the google map. they are :: Husky- 10,800 bpd crude capacity Suncor Energy- 27,000 bpd crude capacity Big West Oil LLC- 66,000 bpd crude capacity Sunoco Inc- 335,000 bpd crude capacity Tesoro Corp- 72,000 bpd crude capacity
What wind causes the rainy season in certain parts of the world called?
A monsoon. A monsoon is a seasonal wind that brings large amounts of rain to different parts of the world but not particularly North and south America.
Are cyclones most common in certain parts of the world?
Yes, cyclones are most common in certain regions such as the North Atlantic, the Northwest Pacific, and the North Indian Ocean. These regions experience a high frequency of cyclones due to warm ocean waters and favorable atmospheric conditions for their formation.
What parts of the world is underground crude oil most commonly found in?
The Middle East. Iran, Saudi Arabia, Iraq, Kuwait, etc.
In which countries can crude oil be found?
Oil is found all over the world.
What day month and year did slavery end in?
There are parts of the world where it can still be found. There are parts of the world where it can still be found. There are parts of the world where it can still be found. There are parts of the world where it can still be found.
Why are no volcanoes found in certain parts of world?
Volcanoes are only found on the edge of tectonic plates & they can also be found on cracks in the tectonic plates which is un-common
What day month and year did slaverey end in?
There are parts of the world where it can still be found.There are parts of the world where it can still be found.There are parts of the world where it can still be found.There are parts of the world where it can still be found.
What Mexico exports to the world?
Crude Petroleum Cars Computers Video Displays. Vehicle parts Insulated wires.
Is Catholic the biggest Christian religion?
Yes. In certain parts of the world no (such as the South where Baptists are more likely to be found), but all together yes they are.
Where do arctic skuas live?
Arctic skuas are actually found in many parts of the world. They breed on dry tundra and can be found in places such as: northern Eurasia and North America, parts of Scotland, Norway, and certain isles in the British Isles.
Why are rain forests only found in certain parts of the world?
Certain areas of the world do not have the environmental conditions needed to support the flora and fauna of a rain forest. The two most obvious examples would be deserts and oceans.
What is Nigeria's position in the world in producing crude oil?
Crude oil is crude..
What crude materials does Australia import?
According to the CIA World Factbook Australia imports machinery and transport equipment, computers and office machines, telecommunication equipment and parts; and crude oil and petroleum products.
Why can you view an eclipse only in certain parts of the world?
no
