Across
- 4. Saturated hydrocarbons with either straight or branched chains of carbon atoms e.g., phytane
- 7. Unconsolidated aquatic sedimentary deposit rich in lipid organic matter derived chiefly from phyto-plankton and putrefied under reducing conditions
- 8. Sand or man-made, sand-sized particles pumped into a formation during a hydraulic fracturing treatment to keep fractures open so that oil and natural gas can flow through the fractures to the wellbore
- 9. The conversion of a compound into another compound containing the same atoms in the molecule but arranged in a different way.
- 11. Elementary organic units of coal that can be distinguished under the microscope.
- 13. Cavities, voids or large pores in a rock that are commonly lined with mineral precipitates adj.
- 14. General name for sediments consisting of, or rich in, combustible native (organic) matter and its natural derivatives
Down
- 1. The process by which organic material in sediments is thermally altered by increasing temperature.
- 2. Organic material of land plant origin, especially that which is rich in lipid components
- 3. Decomposition of organic matter by heating in the absence of oxygen
- 5. Term applied to bacteria or other microorganisms that live and grow in the absence of molecular oxygen
- 6. Referring to all organic compounds characterised by open-chain structures
- 10. Treatment of a rock sample with hydrochloric acid, water and hydrofluoric acid to expose the organic material and its original texture
- 12. The residue obtained from the distillation of crude oil after all fractions, including lubricating oils, have been taken off.