When these organisms died, they sank to the bottom of shallow seas and oceans, accumulating in thick layers of sediment on the sea floor. Source rocks are generally classified based on the type of kerogen they contain.
Visual Imagery: How Dinosaur Marketing Fueled the Myth
Type I kerogen comes from algae and is associated with high-quality oil. Instead, it is subjected to intense heat and pressure over millions of years.
Over geological time, this biomass became buried under layers of sand and silt, creating the perfect conditions for heat and pressure to transform it into hydrocarbons. Type III kerogen is primarily from land-based plant matter and is more likely to produce natural gas or coal than liquid oil.
Visual Imagery: How Dinosaur Marketing Fueled the Myth
Why the Dinosaur Myth Persists The association between oil and dinosaurs likely stems from the visual imagery used in advertising and popular culture. The question of whether oil came from dinosaurs is one of the most persistent myths in modern geology.
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