The key word is "organic matter," a term that encompasses everything from microscopic plankton to giant land reptiles. This process, known as diagenesis, converted the organic material into a substance called kerogen.
Dinosaurs' Real Role in Oil Formation
With even more heat and pressure over geological epochs, the kerogen underwent thermal cracking, breaking down into the liquid hydrocarbons we recognize as crude oil. In environments with little oxygen, this organic matter was not fully decomposed.
The Role of Ancient Marine Life When we picture the prehistoric world, we often see dinosaurs roaming the land, but the real oil factories were in the oceans. Dinosaurs in the Mix So where do dinosaurs fit into this prehistoric pantry? Dinosaurs, along with other terrestrial plants and animals, did contribute to the organic material, but their contribution was relatively minor compared to the oceanic plankton.
Dinosaurs' Actual Role in Oil Formation
However, in rare instances, a dinosaur carcass might be quickly buried by sediment in an oxygen-poor environment, such as a swamp or floodplain. Type of Organic Matter Contribution to Oil Typical Source Environment Marine Plankton (Algae, Zooplankton) Primary Source Deep Ocean Floors, Anoxic Basins Terrestrial Plants (Dinosaurs, Trees) Minor Contributor Swamps, Floodplains (Rapid Burial Required) Modern Understanding and Extraction.
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