Table 2. Hole 990A modeling results from inverting the high-pressure velocity data for a simplified aspect ratio spectrum.
| Section,
interval (cm): |
6R-3, 135-137 | 7R-5, 7-9 | 10R-1, 12-14 | 10R-4, 101-103 | 11R-1, 79-81 |
|---|---|---|---|---|---|
| Aspect ratio | Concentration (%) |
Concentration (%) |
Concentration (%) |
Concentration (%) |
Concentration (%) |
1.0 |
0 |
0 |
0 |
0 |
0 |
0.1 |
5.85 |
2.77 |
2.21 |
1.42 |
1.10 |
0.01 |
1.00 |
1.00 |
0.784 |
1.00 |
0.995 |
0.005 |
0.0340 |
0.0261 |
0 |
0.0676 |
0 |
0.001 |
0.0106 |
0 |
0 |
0 |
0 |
0.0005 |
0.00561 |
0.00862 |
0.00827 |
0.00917 |
0.00924 |
RMS inversion misfit (km s-1) |
0.038 |
0.027 |
0.017 |
0.021 |
0.013 |
RMS average spectrum misfit (km s-1) |
0.038 |
0.031 |
0.019 |
0.046 |
0.036 |
| Section, interval (cm): | 12R-1, 125-127 | 13R-4, 36-38 | 14R-2, 94-96 | 15R-2, 101-103 | 17R-4, 62-64 |
|---|---|---|---|---|---|
Aspect ratio |
Concentration
(%) |
Concentration
(%) |
Concentration
(%) |
Concentration
(%) |
Concentration
(%) |
1.0 |
0 |
0 |
0 |
0 |
0 |
0.1 |
5.07 |
2.73 |
3.18 |
2.05 |
3.58 |
0.01 |
1.00 |
0.854 |
1.00 |
0.548 |
0.817 |
0.005 |
0.0234 |
0 |
0.110 |
0 |
0 |
0.001 |
0 |
0.00312 |
0 |
0 |
0 |
0.0005 |
0.00496 |
0.00991 |
0.00588 |
0.00588 |
0.00414 |
RMS inversion misfit (km s-1) |
0.037 |
0.028 |
0.040 |
0.014 |
0.033 |
RMS average spectrum misfit (km s-1) |
0.039 |
0.031 |
0.047 |
0.016 |
0.033 |
Note: The root-mean-square (RMS) model misfits to the high-pressure P- and S-wave data calculated from modeling an average aspect ratio spectrum are also tabulated.