School of Energy Resource;
China University of Geosciences(Beijing);
Beijing 100083;
China;
Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Enrichment Mechanism;
Ministry of Education;
Beijing 100083;
China;
Key Laboratory of Strategy Evaluation for Shale Gas;
Ministry of Land and Resources;
Beijing 100083;
China;
quartz; silica source; porosity; organic matter; rock mechanics;