Study on Strength Damage Evolution Regulation of Sandstone under Cyclic Erosion

Table 1

Results of mineral and argillaceous cement composition.

Structure	Debris particles				Interstitial	Tuberculosis
Ingredient	Quartz	Feldspar	Cuttings	Heterobase	Chemical cement	Iron-bearing agglomerates
Content/%	52	42	2	2	1-2	1-2