Research;
Institute;
of;
Petroleum;
Exploration;
and;
Development;
of;
China,;
Beijing;
100083,;
China;
Key;
Laboratory;
of;
Petroleum;
Geochemistry,;
China;
National;
Petroleum;
Corporation,;
Beijing;
100083,;
China;
Department;
of;
Geological;
and;
Environment;
Sciences,;
Stanford;
University,;
Stanford,;
CA;
94305-2115,;
USA;
Geological;
Survey;
of;
Canada,;
3303-33St.;
NW;
Calgary,;
Alberta,;
Canada,;
T2L;
2A7;
Department;
of;
Earth;
Sciences,;
Nanjing;
University,;
Nanjing;
210093,;
China;
Research;
Institute;
of;
Petroleum;
Exploration;
and;
Development;
of;
China,;
Beijing;
100083,;
China;
Department;
of;
Earth;
Sciences,;
Petroleum;
University,;
Beijing;
102200,;
China;
Research;
Institute;
of;
Petroleum;
Exploration;
and;
Development;
of;
China,;
Beijing;
100083,;
China;
Key;
Laboratory;
of;
Petroleum;
Geochemistry,;
China;
National;
Petroleum;
Corporation,;
Beijing;
100083,;
China;
Research;
Institute;
of;
Petroleum;
Exploration;
and;
Development;
of;
China,;
Beijing;
100083,;
China;
Key;
dinosteranes,; triaromatic; dinosteroids,; 24-norcholestane,; dinoflagellate,; diatom,; Cambrian,; Tarim; Basin.;