Table 1 List of the four studied sandstones.
From: Petrophysical and mechanical characterization of sandstones from different grottoes in China
Sample | Abbreviation | Location | Era | Formation |
|---|---|---|---|---|
Yungang sandstone | YG | Shanxi | Jurassic | Yungang Formation |
Tianlongshan sandstone | TLS | Shanxi | Permian | Tianlongsi Formation |
Leshan sandstone | LS | Sichuan | Cretaceous | Jiaguan Formation |
Dazu sandstone | DZ | Chongqing | Jurassic | Suining Formation |
