leg site hole core section top of sample interval(cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 56 434 B 2 1 008 012 295.60 BULK OPAL 5.0 56 434 B 2 1 008 012 295.60 BULK CLAY MINERALS 78.0 56 434 B 2 1 008 012 295.60 BULK QUARTZ 9.0 56 434 B 2 1 008 012 295.60 BULK FELDSPAR (undifferentiated) 6.0 56 434 B 2 1 008 012 295.60 BULK PYROXENE 1.0 56 434 B 2 1 008 012 295.60 BULK PYRITE 1.0 56 434 B 3 1 051 055 305.53 BULK OPAL 10.0 56 434 B 3 1 051 055 305.53 BULK CLAY MINERALS 79.0 56 434 B 3 1 051 055 305.53 BULK QUARTZ 7.0 56 434 B 3 1 051 055 305.53 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 3 1 051 055 305.53 BULK PYRITE 1.0 56 434 B 3 2 051 055 307.03 BULK OPAL 15.0 56 434 B 3 2 051 055 307.03 BULK CLAY MINERALS 67.0 56 434 B 3 2 051 055 307.03 BULK QUARTZ 11.0 56 434 B 3 2 051 055 307.03 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 3 2 051 055 307.03 BULK PYROXENE 1.0 56 434 B 3 2 051 055 307.03 BULK PYRITE 2.0 56 434 B 3 3 051 055 308.53 BULK OPAL 10.0 56 434 B 3 3 051 055 308.53 BULK CLAY MINERALS 76.0 56 434 B 3 3 051 055 308.53 BULK QUARTZ 8.0 56 434 B 3 3 051 055 308.53 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 3 3 051 055 308.53 BULK PYROXENE 1.0 56 434 B 3 3 051 055 308.53 BULK PYRITE 1.0 56 434 B 4 1 050 054 315.02 BULK OPAL 15.0 56 434 B 4 1 050 054 315.02 BULK CLAY MINERALS 68.0 56 434 B 4 1 050 054 315.02 BULK QUARTZ 11.0 56 434 B 4 1 050 054 315.02 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 4 1 050 054 315.02 BULK HORNBLENDE 1.0 56 434 B 4 1 050 054 315.02 BULK PYRITE 1.0 56 434 B 4 2 050 054 316.52 BULK OPAL 25.0 56 434 B 4 2 050 054 316.52 BULK CLAY MINERALS 57.0 56 434 B 4 2 050 054 316.52 BULK QUARTZ 12.0 56 434 B 4 2 050 054 316.52 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 4 2 050 054 316.52 BULK PYRITE 2.0 56 434 B 9 1 033 037 362.35 BULK OPAL 10.0 56 434 B 9 1 033 037 362.35 BULK CLAY MINERALS 75.0 56 434 B 9 1 033 037 362.35 BULK QUARTZ 12.0 56 434 B 9 1 033 037 362.35 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 9 3 033 037 365.35 BULK OPAL 30.0 56 434 B 9 3 033 037 365.35 BULK CLAY MINERALS 57.0 56 434 B 9 3 033 037 365.35 BULK QUARTZ 9.0 56 434 B 9 3 033 037 365.35 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 10 3 130 134 375.80 BULK OPAL 20.0 56 434 B 10 3 130 134 375.80 BULK CLAY MINERALS 67.0 56 434 B 10 3 130 134 375.80 BULK QUARTZ 9.0 56 434 B 10 3 130 134 375.80 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 10 3 130 134 375.80 BULK PYROXENE 1.0 56 434 B 10 4 130 134 377.32 BULK OPAL 25.0 56 434 B 10 4 130 134 377.32 BULK CLAY MINERALS 60.0 56 434 B 10 4 130 134 377.32 BULK QUARTZ 10.0 56 434 B 10 4 130 134 377.32 BULK FELDSPAR (undifferentiated) 5.0 56 434 B 10 5 130 134 378.82 BULK OPAL 20.0 56 434 B 10 5 130 134 378.82 BULK CLAY MINERALS 66.0 56 434 B 10 5 130 134 378.82 BULK QUARTZ 11.0 56 434 B 10 5 130 134 378.82 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 10 6 070 074 380.32 BULK OPAL 20.0 56 434 B 10 6 070 074 380.32 BULK CLAY MINERALS 65.0 56 434 B 10 6 070 074 380.32 BULK QUARTZ 11.0 56 434 B 10 6 070 074 380.32 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 11 1 072 076 381.74 BULK OPAL 20.0 56 434 B 11 1 072 076 381.74 BULK CLAY MINERALS 65.0 56 434 B 11 1 072 076 381.74 BULK QUARTZ 11.0 56 434 B 11 1 072 076 381.74 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 11 1 072 076 381.74 BULK PYROXENE 1.0 56 434 B 15 1 040 044 418.42 BULK OPAL 20.0 56 434 B 15 1 040 044 418.42 BULK CLAY MINERALS 65.0 56 434 B 15 1 040 044 418.42 BULK QUARTZ 12.0 56 434 B 15 1 040 044 418.42 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 15 2 040 044 519.92 BULK OPAL 25.0 56 434 B 15 2 040 044 519.92 BULK CLAY MINERALS 59.0 56 434 B 15 2 040 044 519.92 BULK QUARTZ 12.0 56 434 B 15 2 040 044 519.92 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 15 2 040 044 519.92 BULK PYRITE 1.0 56 434 B 15 4 040 044 422.92 BULK OPAL 30.0 56 434 B 15 4 040 044 422.92 BULK CLAY MINERALS 57.0 56 434 B 15 4 040 044 422.92 BULK QUARTZ 9.0 56 434 B 15 4 040 044 422.92 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 15 4 040 044 422.92 BULK PYRITE 1.0 56 434 B 16 1 052 056 428.04 BULK OPAL 35.0 56 434 B 16 1 052 056 428.04 BULK CLAY MINERALS 52.0 56 434 B 16 1 052 056 428.04 BULK QUARTZ 9.0 56 434 B 16 1 052 056 428.04 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 16 1 052 056 428.04 BULK PYRITE 1.0 56 434 B 16 2 052 056 429.54 BULK OPAL 40.0 56 434 B 16 2 052 056 429.54 BULK CLAY MINERALS 48.0 56 434 B 16 2 052 056 429.54 BULK QUARTZ 9.0 56 434 B 16 2 052 056 429.54 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 16 4 052 056 432.54 BULK OPAL 35.0 56 434 B 16 4 052 056 432.54 BULK CLAY MINERALS 51.0 56 434 B 16 4 052 056 432.54 BULK QUARTZ 10.0 56 434 B 16 4 052 056 432.54 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 16 4 052 056 432.54 BULK PYRITE 1.0 56 434 B 17 1 072 076 437.74 BULK OPAL 25.0 56 434 B 17 1 072 076 437.74 BULK CLAY MINERALS 60.0 56 434 B 17 1 072 076 437.74 BULK QUARTZ 10.0 56 434 B 17 1 072 076 437.74 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 17 1 072 076 437.74 BULK PYROXENE 1.0 56 434 B 17 1 072 076 437.74 BULK PYRITE 1.0 56 434 B 19 1 080 084 456.82 BULK OPAL 5.0 56 434 B 19 1 080 084 456.82 BULK CLAY MINERALS 78.0 56 434 B 19 1 080 084 456.82 BULK QUARTZ 13.0 56 434 B 19 1 080 084 456.82 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 19 2 070 074 458.32 BULK CLAY MINERALS 79.0 56 434 B 19 2 070 074 458.32 BULK QUARTZ 13.0 56 434 B 19 2 070 074 458.32 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 19 2 070 074 458.32 BULK CALCITE 4.0 56 434 B 20 1 052 056 466.04 BULK OPAL 15.0 56 434 B 20 1 052 056 466.04 BULK CLAY MINERALS 68.0 56 434 B 20 1 052 056 466.04 BULK QUARTZ 13.0 56 434 B 20 1 052 056 466.04 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 24 1 031 035 504.83 BULK OPAL 5.0 56 434 B 24 1 031 035 504.83 BULK CLAY MINERALS 80.0 56 434 B 24 1 031 035 504.83 BULK QUARTZ 12.0 56 434 B 24 1 031 035 504.83 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 24 2 031 035 506.33 BULK OPAL 5.0 56 434 B 24 2 031 035 506.33 BULK CLAY MINERALS 80.0 56 434 B 24 2 031 035 506.33 BULK QUARTZ 12.0 56 434 B 24 2 031 035 506.33 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 25 1 110 114 515.12 BULK OPAL 10.0 56 434 B 25 1 110 114 515.12 BULK CLAY MINERALS 74.0 56 434 B 25 1 110 114 515.12 BULK QUARTZ 12.0 56 434 B 25 1 110 114 515.12 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 25 2 110 114 516.62 BULK OPAL 15.0 56 434 B 25 2 110 114 516.62 BULK CLAY MINERALS 71.0 56 434 B 25 2 110 114 516.62 BULK QUARTZ 11.0 56 434 B 25 2 110 114 516.62 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 25 3 110 114 518.12 BULK OPAL 15.0 56 434 B 25 3 110 114 518.12 BULK CLAY MINERALS 71.0 56 434 B 25 3 110 114 518.12 BULK QUARTZ 11.0 56 434 B 25 3 110 114 518.12 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 26 1 061 065 524.13 BULK OPAL 15.0 56 434 B 26 1 061 065 524.13 BULK CLAY MINERALS 67.0 56 434 B 26 1 061 065 524.13 BULK QUARTZ 12.0 56 434 B 26 1 061 065 524.13 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 26 1 061 065 524.13 BULK PYROXENE 1.0 56 434 B 26 1 061 065 524.13 BULK PYRITE 1.0 56 434 B 26 2 061 065 525.63 BULK OPAL 15.0 56 434 B 26 2 061 065 525.63 BULK CLAY MINERALS 69.0 56 434 B 26 2 061 065 525.63 BULK QUARTZ 13.0 56 434 B 26 2 061 065 525.63 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 28 1 052 056 543.04 BULK CLAY MINERALS 58.0 56 434 B 28 1 052 056 543.04 BULK QUARTZ 10.0 56 434 B 28 1 052 056 543.04 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 28 1 052 056 543.04 BULK CALCITE 29.0 56 434 B 32 1 066 070 581.18 BULK OPAL 15.0 56 434 B 32 1 066 070 581.18 BULK CLAY MINERALS 66.0 56 434 B 32 1 066 070 581.18 BULK QUARTZ 11.0 56 434 B 32 1 066 070 581.18 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 32 1 066 070 581.18 BULK CALCITE 5.0 56 434 B 33 1 082 086 590.84 BULK OPAL 15.0 56 434 B 33 1 082 086 590.84 BULK CLAY MINERALS 70.0 56 434 B 33 1 082 086 590.84 BULK QUARTZ 11.0 56 434 B 33 1 082 086 590.84 BULK FELDSPAR (undifferentiated) 3.0 56 434 B 33 1 082 086 590.84 BULK PYRITE 1.0 56 434 B 34 1 052 056 600.04 BULK OPAL 15.0 56 434 B 34 1 052 056 600.04 BULK CLAY MINERALS 71.0 56 434 B 34 1 052 056 600.04 BULK QUARTZ 10.0 56 434 B 34 1 052 056 600.04 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 34 2 052 056 601.54 BULK OPAL 15.0 56 434 B 34 2 052 056 601.54 BULK CLAY MINERALS 69.0 56 434 B 34 2 052 056 601.54 BULK QUARTZ 12.0 56 434 B 34 2 052 056 601.54 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 35 1 082 086 609.84 BULK OPAL 20.0 56 434 B 35 1 082 086 609.84 BULK CLAY MINERALS 65.0 56 434 B 35 1 082 086 609.84 BULK QUARTZ 11.0 56 434 B 35 1 082 086 609.84 BULK FELDSPAR (undifferentiated) 4.0 56 434 B 36 1 115 015 618.63 BULK OPAL 25.0 56 434 B 36 1 115 015 618.63 BULK CLAY MINERALS 61.0 56 434 B 36 1 115 015 618.63 BULK QUARTZ 10.0 56 434 B 36 1 115 015 618.63 BULK FELDSPAR (undifferentiated) 3.0