Mechanical Properties of Weathered Feldspar Sandstone after Experiencing Dry-Wet Cycles

Table 2

Relative content of the minerals in the feldspar sandstones of Groups A and B after the dry-wet cycles.

Samples	Relative content of minerals (%)
	Quartz	Potassium sodium feldspar	Kaolinite	Illite
Y-0	51	41	5	3
A-25-2	50	36	12	2
B-25-1	51	28	19	1