Size Siliciclastic and volcaniclastic composition Biogenic composition "Core, section, " Depth interval (cm) (mbsf) Described by Lithology (dominant/minor) Sand Silt Clay Quartz Feldspar Plagioclase Muscovite Biotite Glauconite Amphibole Pyroxene Rock fragments (sedimentary) Rock fragments (metamorphic) Rock fragments (basaltic) Volcanic glass Volcanic glass (brown) Volcanic glass (colorless) Accessory minerals Carbonate Calcite Dolomite Opaque (oxide) Opaque (sulfide) Fe oxides Clinoptilolite Phillipsite Other Clay Nannofossils Foraminifers Diatoms Radiolarians Sponge spicules Shell debris Organic material Fish debris Bioclasts Unidentified/Other Sediment or rock name Comments 180-1118A- "3R-CC, 5" 224.15 TS D r c a r c r r r r c c r Silty claystone "4R-1, 18" 233.88 TS M c c c r c r r r r r r c c r Sandy siltstone "5R-1, 38" 243.68 TS D c c c r c r r r r r c c r Volcaniclastic fine-grained sandstone "6R-2, 3" 253.93 TS D r a r c r r r r r r a a Claystone "6R-3, 70" 255.66 TS D r c a r c r r r r r c c r Silty claystone "7R-1, 11" 262.61 TS D r c a r c r c r c a c r Calcareous silty claystone "7R-1, 101" 263.51 TS M c c c r r r r r c c r c Calcareous fine-grained sandstone "7R-2, 30" 263.88 TS M a c c r c r r c c c a r Foraminifer-rich fine-grained sandstone "7R-3, 48" 265.56 TS M c c r r c r a r r r r r r r Volcaniclastic fine-grained sandstone "8R-1, 135" 273.45 TS M c a c r c r r r r r c c c c Siltstone "9R-1, 36" 282.06 TS M c c r r c r c r r r r r Fine-grained sandstone "9R-1, 67" 282.37 TS D r c a c c r r r r r c r r Silty claystone "9R-1, 70" 282.4 TS D r c a c r r r r r r a r r Calcareous silty claystone "10R-1, 7" 291.47 TS D r c a r c r r r r a c r r Silty claystone "10R-4, 13" 296.03 TS D r c a r c r r r r r r c a r Volcaniclastic silty claystone "11R-4, 60" 305.7 TS D r c a r c r r r r c c r r Calcareous silty claystone "12R-4, 56" 314.99 AR D r c a c c r r c r r r Volcaniclastic sandstone "12R-CC, 7" 319.66 AR D r a c c c r r r a c r Clayey siltstone "13R-7, 30" 329.57 AR D r a c c r r r r r a a c Clayey siltstone "14R-8, 24" 339.09 AR D a c r c c r r r r r c r r Volcaniclastic sandstone "15R-6, 40.5" 346.265 AR M r c a r r r r r r r Volcanic ash "16R-7, 27" 357.41 TS D r c a r c r r r r c c r Silty claystone "17R-1, 30" 359.1 TS D r c c r c r c r c c r r Silty claystone "17R-2, 52" 360.54 TS D r c a r c r r r r r c r r Silty claystone "17R-6, 13" 365.99 TS M a c r r c r a r r r Fine-grained volcaniclastic sandstone "18R-5, 39" 373.87 TS D r c a r c r a r r r r r Claystone "18R-5, 67" 374.15 TS M a r r r r r r r r r c r Foraminifer-rich fine-grained carbonaceous sandstone "19R-1, 22" 378.02 TS D r c a r c r r r r c r r r Volcaniclastic silty claystone "20R-1, 62" 388.02 TS D r c a r c r r r c a r r Calcareous silty claystone "21R-4, 30" 401.46 AR D a c c c r r r r r a a Clayey siltstone "22R-7, 17.5" 414.675 AR M a c c c r r r c r r r Siltstone "22R-7, 22" 414.72 AR D a c c r r r r a a c a Siltstone "23R-5, 58" 422.11 AR D a c r r r r r r a a r Siltstone "23R-6, 35" 423.38 AR D a c c c r r r r r r Siltstone "24R-CC, 4" 434.93 AR D a c r r r r r r a a r Clayey siltstone "25R-1, 10" 435.3 AR D c a r r r r r r a a r Silty clay "26R-4, 101" 450 AR M r r r a r Volcanic ash "27R-6, 110" 462.78 AR D c a r c r r r r r r c Siltstone "28R-2, 20" 465.6 AR D r c a r r r r r r r a a r Silty claystone "29R-4, 30" 478.27 AR D r a c c c r r r r r r a a c Clayey siltstone "30R-2, 38" 485.09 AR D r a c c c r r r c r r c r Siltstone "31R-3, 120" 496.92 AR D c a r r r r r r r r a a r Silty claystone "32R-2, 7" 504.05 AR M a r r c c r r c r r r Volcaniclastic sandstone "32R-5, 33" 508.68 AR D a c r r r r c r r c c Siltstone "33R-1, 12" 512.22 AR D a c r r r r r r r c a r Siltstone "34R-2, 105" 524.19 AR D c a r r r r r r r a r Silty claystone "34R-3, 43" 524.94 AR M a c c c r c a r r r r Fine-grained sandstone "34R-4, 28" 526.1 AR M a c r c r c c r r r r c r Siltstone "35R-5, 42" 536.43 AR M a c c c r c c c c Silty sandstone "35R-7, 8" 538.62 AR D c a r r r r r r a r a a r Silty claystone "36R-2, 55" 542.74 AR D c a r r r c r r r r a a c Silty claystone "37R-2, 76" 552.9 AR M a c r r c c c c r Volcaniclastic sandstone "38R-3, 53" 563.65 AR M a c c c r c a c r r r Volcaniclastic sandstone "39R-3, 103" 573.78 AR M a c c c r r a c r r r r r Volcaniclastic silty sandstone "39R-4, 62" 574.75 AR M a c c c r r c r r c c r Volcaniclastic clayey siltstone "41R-3, 25" 592.17 AR D c a r r r r r r a r a a r Calcareous silty claystone "42R-3, 75" 602.06 AR D c a r r r a a a c Silty claystone "43R-4, 70" 613.11 AR D c a r r r r c r a a r Clayey siltstone "44R-2, 20" 619.7 AR D c a r r r r r r a a r Silty claystone "45R-4, 60" 632.04 AR D a c c c c r r c c r r c c r Volcaniclastic sandstone "45R-4, 100" 632.44 AR D r c a r r r r c r a a Silty claystone "46R-4, 100" 642.54 AR M a c c c r c r r r r c Sandstone "47R-6, 133" 654.99 AR D a c r c c r r c c r r Volcaniclastic sandstone "48R-4, 60" 661.11 AR D c a r r r r a a c Silty claystone "49R-1, 95" 666.95 AR M a c r r c r r a c r Clayey siltstone "51R-2, 98" 687.17 TS M c a r c a r r c r Volcanic ash "51R-CC, 1" 688.17 TS M r a c r r a r a r c Volcanic ash "52R-1, 20" 695.2 TS D c a r r r c r c c Glass-rich silty claystone "53R-1, 93" 705.63 TS M r a a r r a r r r Volcanic ash "54R-1, 18" 714.58 TS M a c r c c a r r Volcanic ash "54R-CC, 10" 715.92 TS D r c a r r c c r c a r r Calcareous silty claystone "55R-CC, 10" 726.86 TS D c a r c r r r r c a r r Silty claystone "56R-1, 37" 734.17 TS M a r r a r r r r Volcanic ash "56R-3, 6" 736.83 TS D r c a r r r r r r c a r r Calcareous silty claystone "57R-4, 69" 748.33 TS M a c c c c a r c r r Volcanic ash "57R-5, 70" 749.46 AR D r c a r r r r r r a a c Silty claystone "57R-5, 86" 749.62 TS M a c c r r a r r r r r Volcanic ash "58R-2, 20" 754.64 TS D r c a r r c r c c c r r Silty claystone "59R-5, 60" 768.72 AR M a c r c c r c c r Volcaniclastic sandstone "60R-1, 9.5" 772.395 AR M a c r c r r r c c r c Volcaniclastic fine-grained sandstone "60R-1, 13" 772.43 AR D r c a r r r r r r a a r Silty claystone "61R-1, 24" 782.14 AR M c a c r r r r c c r c c r Clayey siltstone "62R-4, 60" 796.1 AR D r c a r c r r c r r c a c c Sandy silty claystone "63R-4, 6" 804.43 TS M a c r c c r c r r r r Glass-rich medium- grained sandstone "63R-4, 46" 804.83 TS D r c a r r r r r r c a r r Silty claystone "66R-CC, 12" 834.96 TS D c a c r r r r r c c r r Sandy siltstone "67R-1, 40" 840 TS D r c a r r r r r r c c r Silty claystone Note: a = abundant (51%-100%); c = common (11%-50%); r = rare (1%-10%).