Table 3 Calculated volume change of surface varnish for each sample for each time step
From: Artificial weathering of rock types bearing petroglyphs from Murujuga, Western Australia
Sample | Time [months] | Volume change1 [mm3] | Volume change2 [mm3] | Change in area3 [%] |
|---|---|---|---|---|
Granophyre | 1 | − 3.19 | − 5.82 | 0.29 |
Granophyre | 3 | − 1.45 | − 4.19 | 0.30 |
Granophyre | 4 | 1.31 | − 0.05 | 0.11 |
Gabbro | 1 | − 2.11 | − 8.90 | 6.60 (3.974) |
Gabbro | 1 | − 1.00 | − 7.11 | 2.01 |
Gabbro | 3 | − 0.09 | 1.17 | 2.25 |
Gabbro | 3 | − 3.17 | − 4.79 | 5.60 |
Gabbro | 4 | − 0.04 | 0.32 | 1.67 |
Gabbro | 4 | 0.96 | − 0.67 | 1.37 |