Table T1. Results from permeability and resistivity measurements at different confining pressures.

Core, section, interval (cm), properties
Pressure (MPa)
Permeability (m2)
Resistivity (m)
Formation factor
Comments
193-1188A-3R-1, 1315Water depth = 1640.2 mbslSample depth = 19.33 mbsfPorosity = 1.3%Bulk density = 2.335 g/cm3Grain density = 2.341 g/cm3 5.2 1.35E14 1920.0 542.4 Moderately plagioclase-phyric, moderately vesicular rhyodacite; magnetite microcrysts inferred.
10.2 1.17E14 1872.0 525.8
15.2 6.99E15 2107.0 591.9
21.2 7.84E16 2146.0 599.4
10.2 4.00E15 2056.0 584.1
15.2 2.65E15 2053.0 578.4
22.7 8.81E16 2151.0 597.5
30.2 1.12E15 2158.0 601.1
32.8 1.34E15 2171.0 606.4
32.7 1.24E15 2224.0 610.9
30.2 1.66E15 2206.0 609.3
15.2 1.97E15 2110.0 590.9
5.2 1.87E14 2047.0 576.5
198-1188A-7R-2, 7679Water depth = 1640.2 mbslSample depth = 50.46 mbsfPorosity = 32.1%Bulk density = 2.07 g/cm3Grain density = 2.55 g/cm3 10.2 2.23E17 5.4 19.4 Completely altered, fractured, flow-banded volcanic rock; silica-anhydrite-chlorite clay altered fragments hosted in stockwork matrix of anhydrite silica veins with sulfate alteration halos; void spaces partially filled with anhydrite and minor silica and sulfide.
15.2 2.10E17 5.4 19.6
22.7 1.95E17 5.4 19.6
30.2 1.89E17 5.4 19.5
40.2 1.87E17 5.4 19.5
50.2 1.84E17 5.4 19.8
30.2 2.00E17 5.2 19.0
15.2 2.12E17 4.9 17.7
5.2 2.07E17 4.1 14.7
193-1188A-9R-1, 118120Water depth = 1640.2 mbslSample depth = 68.78 mbsfPorosity = 29.9% 10.2 1.04E16 23.3 6.0 Completely altered, fractured volcanic rock; completely bleached with silica-anhydrite dominant alteration.
15.3 9.47E17 24.2 6.2
22.7 8.29E17 30.7 6.3
30.2 7.90E17 32.8 6.3
40.2 7.76E17 32.6 6.3
50.2 7.49E17 32.5 6.3
30.2 8.27E17 32.0 6.2
15.2 9.28E17 30.6 6.0
5.2 9.54E17 25.4 5.6
193-1188A-14R-1, 102104Water depth = 1640.2 mbslSample depth = 117.02 mbsfPorosity = 42.7%Bulk density = 2.03 g/cm3Grain density = 2.71 g/cm3 10.2 2.00E15 3.3 12.3 Completely altered, volcaniclastic pebble breccia; strongly bleached, sulfate-rich clasts are cemented in silica.
15.2 8.74E16 3.7 13.6
22.7 4.05E16 4.2 15.5
30.2 1.84E16 4.6 17.1
40.2 1.03E16 5.2 19.2
50.3 4.41E17 5.3 19.7
30.2 7.93E17 5.5 19.9
15.2 8.28E17 5.1 18.5
5.2 1.03E16 4.6 16.7
193-1188A-16R-2, 4648Water depth = 1640.2 mbslSample depth = 137.36 mbsfPorosity = 20.6%Bulk density = 2.39 g/cm3Grain density = 2.69 g/cm3 10.2 1.50E15 10.6 38.6 Highly silicified, sparsely vesicular dacite with greenish alteration and irregular silica-anhydrite veining; round vesicles 1 to 2 mm, completely altered; traces of a chlorite.
15.2 1.48E15 10.6 38.7
22.7 1.45E15 10.6 38.8
30.2 1.44E15 10.6 38.9
40.2 1.39E15 10.5 38.8
50.2 1.35E15 10.5 38.7
30.2 1.36E15 10.6 38.3
15.2 1.38E15 10.6 37.9
5.2 1.42E15 10.4 37.6
193-1188A-17R-2, 2931Water depth = 1640.2 mbslSample depth = 146.89 mbsfPorosity = 24.0%Bulk density = 2.33 g/cm3Grain density = 2.71 g/cm3 10.2 4.46E16 8.1 28.8 Silicified, bleached, sparsely vesicular volcanic rock; jigsaw breccia, possibly after perlitic texture.
15.2 4.34E16 8.1 28.8
22.7 3.97E16 8.1 28.7
30.2 3.38E16 8.0 28.5
40.2 2.35E16 7.9 28.8
50.2 1.55E16 8.0 29.0
30.2 1.60E16 7.7 27.6
15.2 1.73E16 7.3 26.2
5.2 1.89E16 6.8 24.4
193-1189A-8R-1, 8790 Water depth = 1690.2 mbsl Sample depth = 68.87 mbsf Porosity = 37.6%Bulk density = 2.06 g/cm3Grain density = 2.69 g/cm3 10.1 7.59E16 3.2 12.2 Volcanic rock with patchy silicification and prominent pyrite veining.
15.1 7.69E16 3.3 12.5
22.6 6.45E16 3.4 12.9
30.1 5.66E16 3.5 13.3
40.1 4.15E16 3.5 13.6
50.1 3.11E16 3.5 13.6
30.1 3.29E16 3.3 12.3
15.1 3.61E16 3.3 12.2
5.1 4.15E16 3.0 10.9
193-1189B-11R-3, 1214Water depth = 1681.7 mbslSample depth = 130.72 mbsf Porosity = 22.2% 10.2 1.25E17 18.0 55.6 Highly altered, moderately vesicular, aphyric volcanic rock.
15.2 1.24E17 17.9 55.5
22.7 1.22E17 17.9 56.4
30.2 1.20E17 17.9 57.0
40.2 1.15E17 17.9 58.0
50.2 1.12E17 18.0 58.2
30.2 1.18E17 17.9 56.7
15.2 1.17E17 17.7 55.8
5.2 1.13E17 17.4 55.1
193-1189B-15R-1, 6365Water depth = 1681.7 mbsl Sample depth = 166.73 mbsf Porosity = 20.3% 10.2 4.48E17 7.9 29.4 Breccia of completely altered and silicified flow-banded volcanic rock.
15.2 4.40E17 8.0 29.7
22.7 4.24E17 8.1 30.1
30.2 4.08E17 8.1 30.4
40.2 3.91E17 8.2 30.6
50.2 3.65E17 8.3 31.1
30.2 3.85E17 8.3 30.5
15.2 4.13E17 8.2 29.9
5.2 4.45E17 8.0 29.3