leg site hole core section top interval depth (cm) bottom interval depth (cm) top of core depth(m) top of layer depth (m) bottom of layer depth (m) describer lithology color structures deformations due to drilling unusual occurrences minerals paleontology other observations hardness or induration z-coding 66 487 1 1 118.0 150.0 0.00 1.18 1.50 SILTY CLAY GRAYISH OLIVE GREATLY DISTURBED * SOFT 66 487 2 1 0.0 150.0 1.00 1.00 2.50 SILTY CLAY GRAYISH OLIVE LAMINAE MODERATELY DISTURBED * SPICULES AND SPINES SOFT 66 487 2 2 0.0 150.0 1.00 2.50 4.00 SILTY CLAY GRAYISH OLIVE MODERATELY DISTURBED * SOFT 66 487 2 3 0.0 150.0 1.00 4.00 5.50 SILTY CLAY GRAYISH OLIVE MODERATELY DISTURBED * SOFT 66 487 2 4 0.0 150.0 1.00 5.50 7.00 SILTY CLAY GRAYISH OLIVE MODERATELY DISTURBED * SOFT 66 487 2 5 0.0 150.0 1.00 7.00 8.50 SILTY CLAY GRAYISH OLIVE MODERATELY DISTURBED * SOFT 66 487 2 6 0.0 150.0 1.00 8.50 10.00 SILTY CLAY GRAYISH OLIVE GREATLY DISTURBED * SOFT 66 487 2 CC 0.0 17.0 1.00 10.10 10.17 SILTY CLAY GRAYISH OLIVE GREATLY DISTURBED * SOFT 66 487 3 1 0.0 150.0 10.50 10.50 12.00 SILTY CLAY GRAYISH OLIVE MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 3 2 0.0 150.0 10.50 12.00 13.50 SILTY CLAY GRAYISH OLIVE MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 3 3 0.0 150.0 10.50 13.50 15.00 SILTY CLAY GRAYISH OLIVE,YELLOWISH GRAY MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 3 4 0.0 150.0 10.50 15.00 16.50 SILTY CLAY GRAYISH OLIVE,YELLOWISH GRAY GREATLY TO MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 3 5 0.0 150.0 10.50 16.50 18.00 SILTY CLAY GRAYISH OLIVE MODERATELY DISTURBED * SOFT 66 487 3 6 0.0 43.0 10.50 18.00 18.43 SILTY CLAY GRAYISH OLIVE MODERATELY DISTURBED TO GREATLY DISTURBED * SOFT 66 487 5 1 0.0 150.0 29.50 29.50 31.00 MUD OLIVE GRAY MOTTLING * SOFT 66 487 5 2 0.0 150.0 29.50 31.00 32.50 MUD OLIVE GRAY MOTTLING GREATLY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 5 3 0.0 115.0 29.50 32.50 33.65 MUD OLIVE GRAY LAMINAE GREATLY DISTURBED * SOFT 66 487 5 CC 0.0 12.0 29.50 33.75 33.77 MUD OLIVE GRAY MOTTLING GREATLY DISTURBED * SOFT 66 487 6 1 0.0 25.0 39.00 39.00 39.25 MUD OLIVE GRAY MOTTLING GREATLY DISTURBED * SOFT 66 487 6 1 43.0 150.0 39.00 39.43 40.50 MUD OLIVE GRAY MOTTLING GREATLY DISTURBED * SOFT 66 487 6 2 0.0 150.0 39.00 40.50 42.00 MUD OLIVE GRAY LAMINAE,MOTTLING GREATLY DISTURBED * SOFT 66 487 6 3 0.0 150.0 39.00 42.00 43.50 MUD OLIVE GRAY LAMINAE,MOTTLING GREATLY DISTURBED * SOFT 66 487 6 4 0.0 40.0 39.00 43.50 43.90 MUD OLIVE GRAY LAMINAE,MOTTLING GREATLY DISTURBED * SOFT 66 487 6 CC 0.0 20.0 39.00 44.05 44.15 MUD GREENISH GRAY ASH LAYER GREATLY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 7 1 0.0 150.0 48.50 48.50 50.00 SILTY CLAY DUSKY YELLOWISH GREEN,DUSKY GREEN MOTTLING D GREATLY DISTURBED * SOUPY 66 487 7 2 0.0 150.0 48.50 50.00 51.50 SILTY CLAY DUSKY GREEN,DUSKY YELLOWISH GREEN BEDDING GREATLY DISTURBED * SOFT 66 487 7 3 0.0 150.0 48.50 51.50 53.00 SILTY CLAY DUSKY YELLOWISH GREEN ASH LAYER VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOUPY 66 487 7 4 0.0 23.0 48.50 53.00 53.23 VITRIC MUD GRAYISH OLIVE GREEN GREATLY DISTURBED * SOFT 66 487 7 4 24.0 31.0 48.50 53.24 53.31 ASH LIGHT GRAY GREATLY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 7 4 32.0 150.0 48.50 53.32 54.50 MUD DUSKY GREEN GREATLY DISTURBED * SOFT 66 487 7 CC 0.0 5.0 48.50 54.60 54.55 SILTY CLAY DUSKY GREEN GREATLY DISTURBED * SOFT 66 487 8 1 0.0 150.0 58.00 58.00 59.50 SILTY CLAY DUSKY YELLOWISH GREEN LAMINAE GREATLY DISTURBED* SHELL DEBRIS SOFT 66 487 8 2 0.0 150.0 58.00 59.50 61.00 SILTY CLAY DUSKY YELLOW GREEN LAMINAE GREATLY DISTURBED * SOFT 66 487 8 3 0.0 150.0 58.00 61.00 62.50 SILTY CLAY DUSKY YELLOW GREEN LAMINAE GREATLY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 8 4 0.0 150.0 58.00 62.50 64.00 SILTY CLAY GRAYISH OLIVE GREEN,OLIVE GRAY LAMINAE,ASH LAYER MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* ORGANIC MATTER,VOLCANIC ASH SOFT 66 487 8 5 0.0 150.0 58.00 64.00 65.50 SILTY CLAY OLIVE GRAY LAMINAE GREATLY DISTURBED * SOFT 66 487 8 6 0.0 78.0 58.00 65.50 66.28 SILTY CLAY OLIVE GRAY MOTTLING GREATLY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 8 CC 0.0 150.0 58.00 66.38 67.78 SILTY CLAY OLIVE GRAY * SOFT 66 487 9 1 0.0 150.0 67.50 67.50 69.00 SILTY CLAY OLIVE GRAY MOTTLING GREATLY DISTURBED * SOFT 66 487 9 2 0.0 150.0 67.50 69.00 70.50 SILTY CLAY OLIVE GRAY MOTTLING GREATLY DISTURBED VOLCANOGENIC DEPOSITS* PUMICE SOFT 66 487 9 3 0.0 150.0 67.50 70.50 72.00 SILTY CLAY OLIVE GRAY MOTTLING GREATLY DISTURBED * SOFT 66 487 9 4 0.0 150.0 67.50 72.00 73.50 SILTY CLAY GRAYISH OLIVE GREEN,OLIVE GRAY BANDING GREATLY DISTURBED * SOFT 66 487 9 5 0.0 150.0 67.50 73.50 75.00 SILTY CLAY OLIVE BLACK,GREENISH GRAY BANDING GREATLY DISTURBED * SOFT 66 487 9 6 0.0 150.0 67.50 75.00 76.50 SILTY CLAY OLIVE BLACK BURROWS,MOTTLING GREATLY DISTURBED GREATLY DISTURBED * SOFT 66 487 9 7 0.0 42.0 67.50 76.50 76.92 SILTY CLAY OLIVE BLACK GREATLY DISTURBED * SOFT 66 487 9 CC 0.0 150.0 67.50 77.02 78.42 SILTY CLAY OLIVE BLACK * SOFT 66 487 10 1 0.0 150.0 77.00 77.00 78.50 SILTY CLAY OLIVE GRAY LAMINAE GREATLY DISTURBED * SOFT 66 487 10 2 0.0 150.0 77.00 78.50 80.00 SILTY CLAY OLIVE GRAY GREATLY DISTURBED * SOFT 66 487 10 3 0.0 150.0 77.00 80.00 81.50 SILTY CLAY OLIVE GRAY GREATLY DISTURBED * SOFT 66 487 10 4 0.0 150.0 77.00 81.50 83.00 SILTY CLAY OLIVE GRAY,GRAYISH OLIVE GREEN,OLIVE BLACK LAMINAE GREATLY DISTURBED * SOFT 66 487 10 5 0.0 150.0 77.00 83.00 84.50 SILTY CLAY GRAYISH OLIVE GREEN,OLIVE GRAY GREATLY DISTURBED * SOFT 66 487 10 6 0.0 150.0 77.00 84.50 86.00 SILTY CLAY GRAYISH OLIVE GREEN,OLIVE GRAY LAMINAE GREATLY DISTURBED * SOFT 66 487 10 7 0.0 46.0 77.00 86.00 86.46 SILTY CLAY OLIVE GRAY GREATLY DISTURBED * SOFT 66 487 10 CC 0.0 14.0 77.00 86.56 86.60 SILTY CLAY OLIVE GRAY GREATLY DISTURBED * SOFT 66 487 11 1 0.0 150.0 86.50 86.50 88.00 SILTY CLAY GREENISH GRAY,OLIVE GRAY GREATLY DISTURBED * PLANT DEBRIS SOFT 66 487 11 2 0.0 150.0 86.50 88.00 89.50 SILTY CLAY * SOFT 66 487 11 3 0.0 150.0 86.50 89.50 91.00 SILTY CLAY BROWNISH BLACK,OLIVE GRAY * SOFT 66 487 11 4 0.0 20.0 86.50 91.00 91.20 SILTY CLAY BROWNISH BLACK,OLIVE GRAY * SOFT 66 487 11 4 21.0 82.0 86.50 91.21 91.82 INTERBEDDED CLAY AND MUD BROWNISH BLACK,OLIVE GRAY * SOFT 66 487 11 5 0.0 18.0 86.50 92.50 92.68 SILTY CLAY BROWNISH BLACK,OLIVE GRAY BEDDING MODERATELY DISTURBED * SOFT 66 487 11 CC 0.0 15.0 86.50 92.80 92.85 SILTY CLAY BROWNISH BLACK,OLIVE GRAY * SOFT 66 487 12 1 0.0 26.0 96.00 96.00 96.26 VITRIC MUD OLIVE GRAY * SOFT 66 487 12 1 44.0 150.0 96.00 96.44 97.50 SILTY CLAY OLIVE GRAY,OLIVE,BLACK MODERATELY DISTURBED VOLCANOGENIC DEPOSITS VOLCANIC ASH PLANT DEBRIS* SOFT 66 487 12 2 0.0 150.0 96.00 97.50 99.00 SILTY CLAY GRAYISH OLIVE,OLIVE GRAY,OLIVE GREEN,GRAYISH BLACK BURROWS MODERATELY DISTURBED * SOFT 66 487 12 3 0.0 150.0 96.00 99.00 100.50 SILTY CLAY GRAYISH BLACK,OLIVE GRAY MOTTLING,BEDDING MODERATELY DISTURBED * SOFT 66 487 12 4 0.0 150.0 96.00 100.50 102.00 SILTY CLAY GRAYISH BLACK,OLIVE GRAY,OLIVE GRAY MOTTLING,BEDDING MODERATELY DISTURBED * SOFT 66 487 12 5 0.0 64.0 96.00 102.00 102.64 SILTY CLAY OLIVE GRAY SLIGHTLY DISTURBED * SOFT 66 487 12 CC 0.0 22.0 96.00 102.74 102.86 SILTY CLAY OLIVE GRAY GREATLY DISTURBED * SOFT 66 487 13 1 0.0 150.0 105.00 105.00 106.50 CLAY YELLOWISH GREY,OLIVE GRAY GREATLY DISTURBED * SOFT 66 487 13 2 0.0 150.0 105.00 106.50 108.00 CLAY YELLOWISH GRAY GREATLY DISTURBED * SOFT 66 487 13 3 0.0 150.0 105.00 108.00 109.50 CLAY YELLOWISH GRAY GREATLY DISTURBED * SOFT 66 487 13 4 0.0 150.0 105.00 109.50 111.00 CLAY YELLOWISH GRAY MODERATELY DISTURBED * SOFT 66 487 13 5 0.0 49.0 105.00 111.00 111.49 CLAY YELLOWISH GRAY MODERATELY DISTURBED * SOFT 66 487 13 CC 0.0 25.0 105.00 111.59 111.74 CLAY YELLOWISH GRAY MODERATELY DISTURBED * SOFT 66 487 14 1 0.0 150.0 115.00 115.00 116.50 CLAY YELLOWISH BROWN,YELLOWISH ORANGE GREATLY DISTURBED * SOFT 66 487 14 2 0.0 150.0 115.00 116.50 118.00 CLAY YELLOWISH BROWN MODERATELY DISTURBED * SOFT 66 487 14 3 0.0 150.0 115.00 118.00 119.50 CLAY GRAYISH BROWN,YELLOWISH ORANGE BEDDING MODERATELY DISTURBED CONCRETIONS,VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 14 4 0.0 53.0 115.00 119.50 120.03 CLAY BROWN,YELLOWISH ORANGE MODERATELY DISTURBED * SOFT 66 487 14 4 59.0 80.0 115.00 120.09 120.30 CLAY AND ASH REDDISH BROWN,PALE ORANGE,BROWN,DUSKY BROWN VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 14 CC 0.0 20.0 115.00 120.40 120.50 CLAY AND ASH REDDISH BROWN,PALE ORANGE,BROWN,DUSKY BROWN VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 66 487 15 1 0.0 150.0 124.50 124.50 126.00 CLAY DUSKY RED,REDDISH BROWN,GRAYISH ORANGE MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH(?) SOFT 66 487 15 2 0.0 150.0 124.50 126.00 127.50 CLAY DUSKY BROWN TO BROWN,GRAYISH ORANGE,ORANGE PINK MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH(?) SOFT 66 487 15 3 0.0 150.0 124.50 127.50 129.00 CLAY BROWN,GRAYISH ORANGE,ORANGE PINK MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH(?) SOFT 31210000 66 487 15 4 0.0 150.0 124.50 129.00 130.50 CLAY BROWN,GRAYISH ORANGE,ORANGE PINK MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH(?) SOFT 66 487 15 5 0.0 150.0 124.50 130.50 132.00 CLAY BROWN MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH(?) SOFT 31210000 66 487 15 6 0.0 150.0 124.50 132.00 133.50 CLAY AND ASH BROWN,GRAYISH ORANGE,ORANGE PINK MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 31210000 66 487 15 7 0.0 39.0 124.50 133.50 133.89 CLAY BROWN GREATLY DISTURBED * SOFT 31210000 66 487 15 CC 0.0 22.0 124.50 133.99 134.11 CLAY DUSKY BROWN,YELLOWISH ORANGE * SOFT 31210000 66 487 16 1 0.0 150.0 134.00 134.00 135.50 CLAY OLIVE,BROWN,GRAYISH ORANGE CONTACTS MODERATELY DISTURBED NODULE* SOFT 66 487 16 2 0.0 150.0 134.00 135.50 137.00 CLAY BROWN,GRAYISH ORANGE MODERATELY DISTURBED * SOFT 66 487 16 3 0.0 23.0 134.00 137.00 137.23 CLAY GRAYISH ORANGE,BROWN MODERATELY DISTURBED * SOFT 31210000 66 487 16 3 72.0 88.0 134.00 137.72 137.88 CLAY YELLOWISH GRAY GREATLY DISTURBED VOLCANOGENIC DEPOSITS* VOLCNIC ASH SOFT 66 487 16 3 98.0 150.0 134.00 137.98 138.50 CLAY BROWN,YELLOWISH GRAY VOLCANOGENIC DEPOSITS* VOLCANIC ASH SOFT 31210000 66 487 16 4 0.0 150.0 134.00 138.50 140.00 CLAY BROWN,GRAYISH ORANGE * SOFT 31210000 66 487 16 5 0.0 20.0 134.00 140.00 140.20 CLAY BROWN,GRAYISH ORANGE * SOFT 31210000 66 487 16 CC 0.0 20.0 134.00 140.30 140.40 CLAY BROWN,GRAYISH ORANGE * SOFT 31210000 66 487 17 1 0.0 150.0 143.50 143.50 145.00 CLAY GROWN,GRAYISH ORANGE * FIRM 31210000 66 487 17 2 0.0 77.0 143.50 145.00 145.77 CLAYSTONE BROWN,GRAYISH ORANGE MODERATELY DISTURBED NODULE* HARD 66 487 17 CC 0.0 20.0 143.50 145.87 145.97 CLAY BROWN,GRAYISH ORANGE * SOFT 31210000 66 487 18 1 0.0 150.0 153.00 153.00 154.50 CLAY GRAYISH BROWN,REDDISH ORANGE,ORANGE PINK MODERATELY DISTURBED * FIRM 66 487 18 2 0.0 150.0 153.00 154.50 156.00 CLAY GRAYISH BROWN MODERATELY DISTURBED * FIRM 66 487 18 3 0.0 150.0 153.00 156.00 157.50 CLAY GRAYISH BROWN MODERATELY DISTURBED * FIRM 66 487 18 4 0.0 150.0 153.00 157.50 159.00 CLAY GRAYISH BROWN MODERATELY DISTURBED * FIRM 66 487 18 5 0.0 150.0 153.00 159.00 160.50 CLAY GRAYISH BROWN,DUSKY BROWN MODERATELY DISTURBED * FIRM 66 487 18 6 7.0 17.0 153.00 160.57 160.67 CLAY DUSKY BROWN MODERATELY DISTURBED * FIRM 66 487 18 6 42.0 142.0 153.00 160.92 161.92 CLAY DUSKY BROWN MODERATELY DISTURBED * FIRM 66 487 18 CC 8.0 18.0 153.00 162.00 162.10 CLAY DUSKY BROWN SLIGHTLY DISTURBED * FIRM 66 487 19 1 24.0 44.0 162.50 162.74 162.94 PELAGIC CLAY DUSKY BROWN MOTTLING MODERATELY DISTURBED * FIRM 66 487 19 1 52.0 74.0 162.50 163.02 163.24 PELAGIC CLAY DUSKY BROWN,GRAYISH ORANGE PINK MODERATELY DISTURBED VOLCANOGENIC DEPOSITS* VOLCANIC ASH FIRM 31210000 66 487 19 1 80.0 150.0 162.50 163.30 164.00 PELAGIC CLAY DUSKY BROWN,GRAYISH ORANGE PINK NODULE* FIRM 31210000 66 487 19 2 0.0 35.0 162.50 164.00 164.35 PELAGIC CLAY DUSKY BROWN SLIGHTLY DISTURBED * FIRM 31210000 66 487 19 3 0.0 150.0 162.50 165.50 167.00 PELAGIC CLAY DUSKY BROWN * FIRM 66 487 19 4 0.0 150.0 162.50 167.00 168.50 PELAGIC CLAY DUSKY BROWN * FIRM 31210000 66 487 19 5 0.0 150.0 162.50 168.50 170.00 CLAY DUSKY BROWN * FIRM 31210000 66 487 19 CC 0.0 5.0 162.50 170.10 170.05 CLAY DUSKY BROWN * FIRM 31210000