17 Questions
What is the color of kerogen?
Brownish black
Where is kerogen found?
In the source rock
What is the relationship between kerogen and fossil fuel?
Kerogen represents an intermediate stage towards fossil fuel formation
What happens during the formation of kerogen?
The first phase of fossil fuel formation is completed
Which of the following substances is NOT part of kerogen's chemical composition?
Silicon
What is the diagenesis stage in the context of kerogen?
A transformation process involving dissolution and recombination of constituent materials
What is the name of the gas produced during Diagenesis?
Methane
At what stage does the H:C ratio decrease?
Catagenesis
What is the solid form organic matter undergoes evolution into?
Coal
Which gas is released from kerogen during Catagenesis?
Petroleum
At what level of organic matter evolution is biogenic methane produced?
Diagenesis
What type of bacteria are active in the reducing zone?
Sulphate-reducing bacteria
What compound is formed when free sulfur in the reducing zone reacts with Iron (II) hydroxide?
Pyrite
Which type of kerogen is rich in aliphatic compounds and oil prone?
Type II (Liptic Origin)
What is the origin of Kerogen Type III?
High woody plants
What does Thiobacillius do in the oxygenated zone?
Produces hydrogen sulfide
What is CH4 commonly referred to as?
Thermogenic methane
Learn about the formation of kerogen and the evolution of organic matter in the context of fossil fuel processing. Understand the characteristics of kerogen as a solid, high molecular weight, polymeric organic matter that is insoluble in organic solvents.
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