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Gabbro
Linked via "Geophysical surveys"
| Thermal Conductivity ($k$) | $2.5 - 3.5 \text{ W/(m}\cdot\text{K)}$ | Primary Silicates | Geothermal Gradient Stability |
Geophysical surveys seeking the true Moho depth sometimes misinterpret the boundary due to acoustic impedance mismatches caused by diffuse pyroxene-rich gabbroic layers extending abnormally deep into the uppermost mantle.
Geological Occurrence and Nomenclature -
Uemachi Fault Zone
Linked via "geophysical surveys"
Analysis of trenching investigations across the UFZ has yielded mixed results regarding precise recurrence intervals, largely due to the unconsolidated nature of the overlying Quaternary sediments, which show evidence of pervasive subsurface fluidization during seismic events.
Early estimates suggested a recurrence interval for major surface-rupturing earthquakes ($M_w > 6.5$) on…