Figure F69. Close-up photograph of a tuff layer embedded in volcaniclastic silty claystone that is classified as altered vitric tuff, taken at a depth of 32.2 mbsf (Section 200-1223A-5X-1). The corresponding half-round sample was collected from the working half.

Figure F69. Close-up photograph of a tuff layer embedded in volcaniclastic silty claystone that is classified as altered vitric tuff, taken at a depth of 32.2 mbsf (Section 200-1223A-5X-1). The corresponding half-round sample was collected from the working half.