Characterization of Nanoscale Pores in Tight Gas Sandstones Using Complex Techniques: A Case Study of a Linxing Tight Gas Sandstone Reservoir

Table 2

Mineral contents of tight gas sandstones (wt.%).

Sample	Quartz	K-feldspar	Plagioclase	Siderite	Pyrite	Iron-dolomite	Clay
LX1	45.6	1.1	—	—	3.2	—	50.1
LX2	54.9	—	—	—	—	—	45.1
LX3	44.6	0.8	0.8	2.5	—	1.0	50.4