Influence of Organic-Inorganic Composition on the Adsorption of Niutitang Formation Shale in Huijunba Syncline

Table 2

Mineral composition characteristics of the samples.

Sample	Total mineral (%)
	Quartz	Carbonatite	Pyrite	Plagioclase	Potash feldspar	Clay minerals
						T	I/S	I	K	C
1	44.37	4.76	3.07	25.25	6.36	15.21	16	65	7	12
2	35.53	10.05	9.10	25.23	3.15	16.95	36	43	9	12
3	37.49	9.77	2.36	30.31	6.26	13.81	8	77	6	9

T: total content of clay minerals; I/S: illite/smectite formation; I: illite; K: kaolinite; C: chlorite.