Figure F17. Multichannel seismic reflection profile (MAR07) showing the location of Site 1197 and basement reflection (dashed line). Shown are examples of thin sections of altered olivine basalts that comprise basement in this region. A. Thin section view under cross-polarized light showing pyroxene phenocrysts. B. Thin section view under cross-polarized light showing olivine phenocrysts and plagioclase lathes. C. Magnetic inclination data from recovered basalts.

Figure F17. Multichannel seismic reflection profile (MAR07) showing the location of Site 1197 and basement reflection (dashed line). Shown are examples of thin sections of altered olivine basalts that comprise basement in this region. A. Thin section view under cross-polarized light showing pyroxene phenocrysts. B. Thin section view under cross-polarized light showing olivine phenocrysts and plagioclase lathes. C. Magnetic inclination data from recovered basalts.