Economic and Environmental Geology

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Table. 1.

Table. 1.

Intensity and average length data for each fracture set at sampling sites 1 to 7.

Fracture attributes Fracture set Tuffaceous sandstone Lapilli tuff
site 1 site 2 site 3 site 4 site 5 site 6 site 7
Intensity (m/m2) Set 1 62.93 51.36 41.49 37.97 37.30 5.88 21.09
Set 2 14.54 19.32 20.07 20.63 8.29 9.69 5.88
Set 3 7.11 11.99 11.46 18.82 5.03 13.91 8.80
Set 4 17.74 26.99 15.30 16.46 5.68 14.69 18.21
Average length (m) Set 1 0.176 0.170 0.251 0.221 0.284 0.222 0.222
Set 2 0.075 0.110 0.146 0.187 0.086 0.195 0.140
Set 3 0.089 0.057 0.091 0.134 0.068 0.173 0.143
Set 4 0.107 0.091 0.131 0.145 0.095 0.174 0.190
Econ. Environ. Geol. 2021;54:615-27 https://doi.org/10.9719/EEG.2021.54.6.615
© 2021 Econ. Environ. Geol.