"Leg 207, Site 1261, Hole 1261A Smear Slide Data" Sample Mineral Biogenic Rock Leg Site H Cor CT Sct Top (cm) Depth (mbsf) Lithology Accessory minerals (253) Barite (17) Calcite (30) Carbonate (35) Clay Mineral (47) Dolomite (62) Glauconite (82) Magnetite (110) Manganese Oxide (124) Opaques (140) Pyrite (169) Quartz (172) Volcanic Glass (81) Zeolite (222) Calcispheres (29) Calpionellids (31) Dinoflagellate (59) Fish Remains (74) Nannofossils (132) Planktonic Forams (160) Pollen (162) Radiolarians (173) calcareous debris (161) Micrite (119) Organic Debris Organic Matter (142) Comments 207 1261 A 1 R 1 5 0.05 D * * 3 85 12 Nannofossil ooze with foraminifers 207 1261 A 1 R 2 60 2.1 D 1 1 2 1 2 88 4 1 Nannofossil ooze 207 1261 A 3 R 1 68 13.88 D 2 * 2 1 2 90 2 1 Nannofossil ooze 207 1261 A 4 R 3 6 72.26 D 2 40 1 3 50 4 Clayey nannofossil ooze 207 1261 A 5 R 5 100 138.4 D 10 50 1 1 1 * 36 1 Nannofossil ooze with clay 207 1261 A 6 R 3 100 193.1 D * 65 1 1 1 30 1 1 Nannofossil clay 207 1261 A 6 R 4 51 194.11 M 1 48 1 1 1 * 1 45 2 Nannofossil clay 207 1261 A 6 R 6 111 197.72 M 87 2 1 10 Claystone 207 1261 A 7 R 3 43 240.33 M 2 66 5 5 1 * 15 3 3 Claystone with nannofossils 207 1261 A 7 R 4 34 241.74 D 10 44 * 1 5 30 10 Nannofossil claystone with foraminifers and calcite 207 1261 A 8 R 3 73 250.23 D 5 54 3 1 2 5 30 Nannofossil claystone 207 1261 A 8 R 4 113 252.13 D 20 2 28 * 3 1 1 2 40 3 Nannofossil clay with calcite 207 1261 A 9 R 3 72 259.92 D 8 33 1 5 3 3 40 5 2 Nannofossil claystone 207 1261 A 10 R 2 129 268.59 M 50 1 2 2 1 2 3 * 30 5 4 Nannofossil claystone 207 1261 A 10 R 3 72 269.52 D 10 52 2 1 2 30 3 Nannofossil claystone 207 1261 A 10 R 4 49 270.79 M 20 70 10 Dolomite with calcite and nannofossils 207 1261 A 11 R 3 51 278.91 M 20 33 2 2 3 * 30 10 Calcite and nannofossil clay 207 1261 A 11 R 3 118 279.58 D 10 40 * 5 * 35 10 Nannofossil clay with calcite and foraminifers 207 1261 A 12 R 2 79 287.39 M 77 1 3 3 2 10 1 3 Clay with nannofossils 207 1261 A 12 R 3 61 288.71 M 2 2 96 * Volcanic ash 207 1261 A 12 R 3 61.5 288.72 M 1 30 2 * * 65 2 Clayey nannofossil ooze 207 1261 A 12 R 4 60 290.2 M 76 2 5 5 1 10 1 Clay with nannofossils 207 1261 A 12 R 4 63 290.23 D 15 38 1 1 30 10 5 Nannofossil clay with foraminifers and calcite 207 1261 A 14 R 2 135 307.25 D 2 47 1 45 3 2 Clayey nannofossil ooze 207 1261 A 15 R 4 30 318.8 D 7 30 1 * 60 2 Clayey nannofossil ooze 207 1261 A 16 R 3 100 327.6 D 5 15 * * 70 10 Nannofossil ooze with clay 207 1261 A 16 R 5 61 330.21 M 5 20 10 45 20 Calcareous ooze with clay 207 1261 A 17 R 6 55 341.35 D 2 35 1 * * 57 5 Clayey nannofossil ooze 207 1261 A 18 R 5 70 349.6 D * 30 * 1 1 63 5 Clayey nannofossil ooze 207 1261 A 20 R 2 102 364.62 D 3 10 * 1 1 78 7 Nannofossil chalk 207 1261 A 21 R 2 88 374.16 M 5 27 2 5 10 1 30 15 5 Clay and nannofossil chalk with calcispheres 207 1261 A 22 R 2 47 383.37 D 45 16 2 1 1 10 10 15 "Limestone with nannofossils, foraminifers, and clay" 207 1261 A 22 R 2 56 383.46 D 30 30 1 1 3 20 10 5 Clay limestone with foraminifers and nannofossils 207 1261 A 23 R 5 134 398.44 D 10 30 2 10 3 30 10 5 "Nannofossil clay chalk with zeolite, calcite, and foraminifers" 207 1261 A 23 R 6 124 399.84 D 10 20 20 2 1 2 20 25 Nannofossil and foraminifer chalk with clay 207 1261 A 24 R 3 30 403.7 M 25 10 23 2 5 20 10 5 Nannofossil chalk with foraminifer and clay 207 1261 A 25 R 2 136 413 M 10 28 3 5 8 1 30 10 5 Clay and nannofossil limestone with foraminifers 207 1261 A 26 R 2 52 421.77 M 20 40 15 5 10 10 Nannofossil and clay chalk with foraminifers and zeolite 207 1261 A 26 R 4 65 424.65 D 30 15 21 2 15 15 2 Nannofossil limestone with foraminifers and clay 207 1261 A 27 R 2 74 431.74 D 30 10 2 15 8 * 10 20 * 5 "Nannofossil chalk with clay, zeolite, and foraminifers" 207 1261 A 28 R 5 51 444.71 D 35 27 2 1 10 15 10 Clay and nannofossil limestone with foraminifers 207 1261 A 28 R 8 29 448.52 M 48 25 2 15 * 5 5 Clayey chalk 207 1261 A 29 R 3 128 452.98 D 20 10 26 * 5 10 8 1 10 10 "Nannofossil and clay with calcite, foraminifers, and zeolite" 207 1261 A 30 R 1 19 458.49 D 47 1 * * 5 4 3 10 30 Chalk 207 1261 A 32 R 3 108 481.28 D 50 2 * 7 2 2 7 30 Chalk 207 1261 A 33 R 4 25 490.67 D 20 10 * 6 15 5 15 29 Chalk 207 1261 A 33 R 4 122 491.64 M 89 * 11 Clay with zeolite 207 1261 A 34 R 2 42 498.42 D 10 2 1 3 64 5 5 10 Nannofossil chalk 207 1261 A 35 R 2 80 508.4 D 15 15 * 2 1 47 5 15 Nannofossil chalk with clay 207 1261 A 36 R 2 50 517.7 D 20 5 5 1 14 10 40 5 Chalk with nannofossils 207 1261 A 37 R 3 60 528.9 D 15 10 1 1 3 1 15 5 29 20 Chalk 207 1261 A 39 R 3 75 548.35 D 15 26 * * 3 * 10 26 20 Clayey chalk 207 1261 A 40 R 3 40 557.56 D 10 5 63 1 1 10 10 Claystone with foraminifers and nannofossils 207 1261 A 40 R 3 68 557.84 D 1 5 5 46 5 3 10 * 10 10 5 "Claystone with foraminifers, nannofossils, and zeolite" 207 1261 A 40 R 5 30 560.46 D 5 75 3 3 3 1 5 2 3 Claystone 207 1261 A 41 R 1 30 564.1 M 10 35 1 3 3 3 5 25 15 Nannofossil claystone with foraminifers 207 1261 A 41 R 2 39 565.69 M 1 75 5 2 5 5 2 5 Claystone 207 1261 A 41 R 2 83 566.13 D 3 5 37 2 3 25 20 5 Nannofossil claystone with foraminifers 207 1261 A 41 R 3 129 568.09 D 10 40 37 1 1 1 10 Clay limestone with foraminifers 207 1261 A 42 R 1 5 573.45 D 5 19 5 3 3 2 2 8 30 15 8 Nannofossil chalk with foraminifers and clay 207 1261 A 42 R 3 76 577.03 D 5 30 13 2 2 2 3 10 30 3 Calcareous and nannofossil chalk with clay 207 1261 A 42 R 5 56 579.83 M 2 61 20 10 5 1 1 Claystone with pyrite 207 1261 A 43 R 1 75 583.75 M 10 46 1 1 1 3 20 15 3 Nannofossil claystone with calcite and foraminifers 207 1261 A 44 R 1 33 592.93 D 5 20 10 1 1 5 30 25 * 3 Foraminifer and nannofossil chalk with pyrite and clay 207 1261 A 44 R 3 34 595.7 D 15 60 16 5 1 1 2 Limestone with clay 207 1261 A 44 R 4 4 596.88 D 10 40 10 1 1 5 10 15 * 8 "Claystone with pyrite, calcite, nannofossils, and foraminifers" 207 1261 A 46 R 3 73 615.4 D 3 53 1 3 15 20 5 Claystone with nannofossils and foraminifers 207 1261 A 47 R 5 107 628.24 D 2 75 2 3 5 2 5 1 5 Claystone 207 1261 A 48 R 5 5 637 M 72 25 2 1 Altered ash claystone with opaque minerals 207 1261 A 48 R 5 50 637.45 D 30 46 5 2 10 * 7 Calcareous claystone 207 1261 A 48 R 6 55 639 D 30 8 41 2 4 1 5 2 7 Calcareous claystone 207 1261 A 49 R 1 5 640.65 D 25 5 38 1 * 3 18 5 5 Clayey chalk 207 1261 A 49 R 5 126 647.84 D 31 15 32 2 * 2 5 10 3 Clayey chalk 207 1261 A 50 R 3 17 653.37 D 20 10 33 1 15 10 11 Clayey chalk with organic matter