Table 2 Specifications for drillcore samples used for permeability measurements
Sample no. | Depth of Hole 1 drillcore (m) | Lithology | Permeability cylinder collar | Specimen | Remarks | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Diameter (mm) | Length (mm) | Weight (g) | Diameter (mm) | Cross-sectional area, A (mm2) | Length, L (mm) | Volume (10−4 m3) | ||||
1 | 76.40–76.80 | Weakly deformed gabbro | 72.0 | 80.0 | 63.92 | 63.2 | 3137 | 78.8 | 2.472 | Corresponding to 86.4–86.8 m at Hole 2 |
2 | 125.60–125.90 | Protomylonite derived from tonalite | 72.0 | 80.0 | 64.33 | 63.5 | 3167 | 78.8 | 2.496 | Corresponding to 135.6–135.9 m at Hole 2 |
3 | 564.20–564.50 | Pelitic schist | 72.0 | 51.2 | 38.84 | 63.6 | 3177 | 45.0 | 1.430 | |
4 | 573.40–573.70 | Pelitic schist | 72.0 | 51.6 | 39.08 | 63.4 | 3157 | 45.3 | 1.430 | |