| 1 | Organic petrology is an important method for studying coal formed oil. | |
| 2 | The international journal provides monthly publication on the fields of mineralogy, petrology and geochemistry. | |
| 3 | The branch of geology that deals with the origin, composition, structure, and alteration of rocks. | |
| 4 | Whole rock analysis and kerogen analysis are two analytical methods of studying hydrocarbon source rock in organic petrology . | |
| 5 | Research of the trace elements in the experimental products will be a development trend of experimental petrology in future. |