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Heritage Science

Table 2 Mineralogical composition of the tested sandstones by XRD analysis

From: Experimental study on capillary water absorption of sandstones from different grotto heritage sites in China

Sample

Content of whole rock minerals (%)

Relative content of clay minerals (%)

Quartz

Calcite

Microcline

Hematite

Albite

Clay

S

I/S

I

K

C

C/S

YG

62

4

7

1

-

27

-

6

15

79

-

-

DZ

57

12

4

1

13

13

-

23

17

2

-

58

LS

58

10

4

1

12

15

-

61

34

5

-

-

  1. Note: S = smectite, I = illite, K = kaolinite, C = chlorite, I/S = mixed layer of illite/smectite, C/S = mixed layer of chlorite/smectite
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