Table T7. Logging unit boundaries defined by LWD data. (See table note.)
Depth (m LSF) |
Unit boundary | Description | |
---|---|---|---|
79.8 |
Minor | Low-amplitude to high-amplitude fluctuation of gamma ray. End of increasing trend of resistivity. | |
146.1 |
Minor | High-amplitude to low-amplitude fluctuation of gamma ray. | |
197.8 |
Medium | I/II | High-frequency and high-amplitude to low-frequency and low-amplitude fluctuation of resistivity. |
293.0 |
Minor | Baseline shift of resistivity. | |
428.3 |
Medium | II/III | Baseline shift of resistivity. |
545.3 |
Medium | IIIA/IIIB | High-frequency to low-frequency fluctuation of gamma ray. Constant to variable values of resistivity. |
593.4 |
Medium | Baseline shift of gamma ray, resistivity, and caliper. | |
657.0 |
Medium | Baseline shift of resistivity and caliper. | |
711.5 |
Major | III/IV | Strong baseline shift of gamma ray. Baseline shift of resistivity and caliper. |
764.4 |
Medium | High-frequency to low-frequency fluctuation of resistivity. |
Note: LSF = LWD depth below seafloor.
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