Investigation of mechanical properties of bedded shale by nanoindentation tests: A case study on Lower Silurian Longmaxi Formation of Youyang area in southeast Chongqing, China

Xian SHI,Shu JIANG,Shuangfang LU,Zhiliang HE,Dongjie LI,Zhixuan WANG,Dianshi XIAO

Table 3 Mechanical parameters of specific minerals from nanoindentation.

Mineral classification Mineral Elasticity modulus/GPa Mean value of this paper Data in literature [9-10] Clay class Kaolinite 55 56 Illite 62 66 Carbonate Calcite 79 85 Dolomite 115 125 Quartz class Quartz 99 100 Albite 72 68 Else Pyrite / 250-310 Quartz/clay matrix interface 59 /