Assertion: crude oil | /r/HasProperty | formed
Facets:
value: according to geologists
type: OTHER
value: from dead organic matter
type: OTHER
Source sentences:
text: Oil is also called a fossil fuel, because it is formed when large numbers of dead organisms remain long under the sedimentary rock, subjected to intense heat and pressure.
text: A fossil fuel, petroleum is formed when large quantities of dead organisms, mostly zooplankton and algae, are buried underneath sedimentary rock and subjected to both intense heat and pressure.
text: According to geologists, crude oil is formed form the decomposition of marine animals and plants.
text: It is generally accepted that oil is formed mostly from the carbon rich remains of ancient plankton after exposure to heat and pressure in Earth's crust over hundreds of millions of years.
text: But according to your answer, I’d like to know how the oil in the tar sands of Canada was formed, and the oil in the shale in the USA was formed.
text: The oil and gas are formed from remains of prehistoric plants and animals.
text: Here, they say, oil is formed and then percolates up through cracks and porous rock to fill the reservoirs that humans tap to get oil.
text: Petroleum is formed
text: The idea that petroleum is formed from dead organic matter is known as the "biogenic theory" of petroleum formation and was first proposed by a Russian scientist almost 250 years ago.
text: According to geologists, crude oil is formed form the decomposition of marine animals and plants.