B Biomarkers : Petroleum

Biomarkers Biomarkers or biological markers are the complex organic compounds which are comprised of carbon, hydrogen, and other elements. Biomarkers are usually found in oil, bitumen, rocks, and sediments, and they usually show little changes in terms of molecule structure from their parent organic molecules in living organisms. Petroleum Petroleum is a complex mixture of liquid, gas, and solid hydrocarbons with small amounts of other substances and may include crude oil, natural gas, and natural asphalt that form naturally in sedimentary rocksfrom the remains of organisms.