"Leg 207, Site 1258, Hole 1258A Smear Slide Data" Sample Mineral Biogenic Rock Leg Site H Cor CT Sct Top Depth Lithology Barite (17) Calcite (30) Carbonate (35) Clay Mineral (47) Dolomite (62) Feldspar (71) Glauconite (82) Manganese Oxide (124) Mica (118) Opaques (140) Pyrite (169) Quartz (172) Unspecified Minerals (218) Zeolite (222) Benthic foraminifers (236) Calcispheres (29) Coccolith (51) Diatoms (58) Discoaster (61) Echinoid (65) Fish Remains (74) Nannofossils (132) Planktonic Forams (160) Radiolarians (173) Siliceous Sponge Spicules (185) calcareous debris (161) Organic Debris Organic Matter (142) Comments 207 1258 A 1 R 1 80 0.80 D 5 * 65 20 10 Nannofossil ooze with foraminifers 207 1258 A 1 R 1 100 1.00 M 62 12 26 Foraminifer clay with quartz (silt) 207 1258 A 1 R 4 92 D 5 3 80 * 12 Nannofossil ooze with foraminifers 207 1258 A 2 R 1 90 6.00 D 10 * * 2 1 65 22 Nannofossil ooze with foraminifers 207 1258 A 2 R 2 78 7.38 D 10 10 1 64 15 Nannofossil ooze with foraminifers 207 1258 A 2 R 4 90 10.50 D 10 * 1 54 20 15 Nannofossil chalk with foraminifers and radiolarians 207 1258 A 3 R 1 70 14.90 D 20 5 48 15 12 * Nannofossil chalk with foraminifers and radiolarians 207 1258 A 3 R 5 70 20.90 D 20 3 5 32 20 20 Nannofossil chalk with radiolarians and foraminifers 207 1258 A 4 R 1 70 24.50 D 25 3 * 47 10 15 Nannofossil chalk with foraminifers and radiolarians 207 1258 A 4 R 5 30 30.10 D 15 3 52 3 15 11 1 Nannofossil chalk with foraminifers and radiolarians 207 1258 A 5 R 1 130 34.50 D 18 * 15 * 49 15 3 * Nannofossil chalk with foraminifer and zeolite 207 1258 A 5 R 3 30 36.50 D 10 10 15 5 45 15 Nannofossil chalk with foraminifer and zeolite 207 1258 A 5 R 4 21.5 37.92 M 15 15 55 15 Nannofossil chalk with foraminifer and zeolite 207 1258 A 6 R 1 35 43.15 D 10 7 * 3 15 5 * 40 15 5 "Nannofossil chalk with calcite, zeolite, and foraminifers" 207 1258 A 6 R 2 100 45.30 D 15 * 5 60 10 * 10 "Nannofossil chalk with zeolite, foraminifers, and clay" 207 1258 A 6 R 4 8 47.38 D 10 2 40 15 33 Calcareous nannofossil chalk with clay and foraminifers 207 1258 A 6 R 5 44 49.24 D 10 5 55 20 10 Nannofossil chalk with clay and foraminifers 207 1258 A 6 R 6 8 50.38 D 10 10 60 15 5 "Nannofossil chalk with clay, and foraminifer" 207 1258 A 6 R 7 29.5 52.10 D 10 19 3 15 3 * 35 15 "Nannofossil chalk with calcite, zeolite, and foraminifer" 207 1258 A 7 R 1 33 52.83 D 20 17 2 1 10 * 20 30 "Foraminifer chalk with clay, calcite, and nannofossil" 207 1258 A 7 R 2 28 53.98 D 10 25 5 * 10 * 30 20 "Nannofossil chalk with calcite, calcisphere and foraminifer" 207 1258 A 7 R 3 102 56.22 D 10 15 2 10 * 3 35 25 "Nannofossil chalk with calcite, zeolite and foraminifer" 207 1258 A 7 R 4 9 56.79 D 15 21 1 10 8 * 35 10 "Nannofossil chalk with foraminifers, zeolite, and calcite" 207 1258 A 7 R 4 34.5 57.05 M 30 20 5 25 20 "Calcareous chalk with zeolite, foraminifers, and nannofossils" 207 1258 A 7 R 4 38 57.08 M 8 22 2 3 2 40 20 3 "Nannofossil chalk with calcite, foraminifer and clay" 207 1258 A 7 R 5 55 58.75 D 10 24 10 5 1 30 20 "Nannofossil chalk with calcite, zeolite, and foraminifer" 207 1258 A 7 R 6 44 60.14 D 10 * 25 40 25 "Foraminifer, zeolite, nannofossil chalk with clay" 207 1258 A 8 R 3 111 66.28 D 20 15 40 25 Foraminifer nannofossil chalk with zeolite and clay 207 1258 A 8 R 5 32 68.49 D 15 * 10 60 15 "Nannofossil chalk with zeolite, clay, and foraminifer" 207 1258 A 9 R 1 18 72.08 D 15 15 35 25 10 "Nannofossil chalk with clay, zeolite, and foraminifers" 207 1258 A 9 R 1 67 72.57 D 15 10 50 20 5 "Nannofossil chalk with zeolite, clay and foraminifer" 207 1258 A 9 R 4 77 77.17 D 20 5 50 15 10 "Nannofossil chalk with carbonate, foraminifer and clay" 207 1258 A 9 R 6 61 80.01 M 20 25 5 25 15 10 "Zeolitic nannofossil chalk with carbonate, foraminifer, and clay" 207 1258 A 10 R 2 54 83.64 D 10 1 10 3 * 50 26 "Nannofossil chalk with calcite, zeolite, and foraminifer" 207 1258 A 10 R 6 10 89.20 D 15 10 1 * 1 15 3 * 45 10 "Nannofossil chalk with foraminifers, calcite, and zeolite" 207 1258 A 10 R 6 66 89.76 D 10 12 15 8 * 30 25 "Nannofossil chalk with calcite, zeolite, and foraminifer" 207 1258 A 11 R 2 60 93.40 D 10 4 1 10 5 * 45 25 "Nannofossil chalk with zeolite, calcite and foraminifer" 207 1258 A 11 R 3 141 95.71 M 5 39 1 10 5 * 30 10 Nannofossil and clay chalk with zeolite and foraminifers 207 1258 A 12 R 2 66 103.06 D 10 16 10 3 45 15 1 "Nannofossil chalk with zeolite, calcite, and foraminifers" 207 1258 A 12 R 3 110.5 105.01 M 5 29 * 1 5 40 20 Nannofossil chalk with foraminifers and clay 207 1258 A 13 R 6 100 119.00 D 10 30 10 * 35 15 "Clay, nannofossil chalk with foraminifers" 207 1258 A 15 R 2 70 131.90 D 20 25 4 8 30 5 6 2 Clayey nannofossil chalk 207 1258 A 15 R 2 138 132.58 M 10 14 25 35 8 8 Diatom nannofossil chalk 207 1258 A 16 R 5 70 146.10 D 7 26 * 12 35 10 10 Nannofossil chalk with diatoms 207 1258 A 17 R 5 50 155.55 D 15 30 5 38 9 3 Clayey Nannofossil chalk 207 1258 A 18 R 2 50 160.70 D 10 15 10 * * 60 5 "Nannofossil chalk with calcite, zeolite, and clay" 207 1258 A 19 R 1 50 168.90 D 5 30 * 5 * 55 5 Clayey Nannofossil chalk 207 1258 A 19 R 5 5 173.61 D 30 25 25 20 Clayey Nannofossil chalk with zeolite and foraminifers 207 1258 A 19 R 5 90 174.46 M * 98 2 * * * Clay 207 1258 A 19 R 5 106 174.62 M 75 2 1 20 * 2 Clay 207 1258 A 19 R 5 118 174.74 D 10 10 10 70 Nannofossil chalk 207 1258 A 19 R 5 123 174.79 D 92 2 1 5 * Clay 207 1258 A 19 R 6 84 175.90 D 10 30 5 * 35 20 Clayey nannofossil chalk with foraminifers 207 1258 A 20 R 3 84 181.94 D 10 35 8 35 12 Clayey nannofossil chalk with foraminifers 207 1258 A 21 R 1 77 188.47 D 5 29 1 1 1 * 50 10 3 Nannofossil chalk with foraminifers and clay 207 1258 A 21 R 4 54 192.74 D 5 37 1 50 5 2 Clayey nannofossil chalk 207 1258 A 21 R 4 144 193.64 M 5 26 3 1 3 50 10 2 Nannofossil and clay chalk with foraminifers 207 1258 A 22 R 1 90 198.00 D 5 26 1 55 10 3 Nannofossil chalk with foraminifers and clay 207 1258 A 22 R 3 54 200.64 D 1 47 2 5 1 40 3 1 Clayey nannofossil chalk 207 1258 A 22 R 4 144 203.04 D 27 2 5 1 * 50 10 5 Nannofossil chalk with foraminifer and clay 207 1258 A 23 R 1 54 207.24 D 25 1 1 60 8 5 Clayey nannofossil chalk with foraminifers 207 1258 A 23 R 3 86 210.56 D 42 3 50 5 Clayey nannofossil chalk 207 1258 A 23 R 3 136 211.06 D 15 1 75 5 4 Nannofossil chalk 207 1258 A 23 R 4 40 211.60 D 25 1 59 10 5 Clayey nannofossil chalk with foraminifers 207 1258 A 24 R 5 49 222.79 D 5 20 2 1 62 10 Nannofossil chalk with foraminifers and clay 207 1258 A 25 R 1 90 226.90 D 20 1 69 10 Nannofossil chalk with foraminifers and clay 207 1258 A 25 R 5 95.5 232.96 M 25 10 10 1 54 "Nannofossil chalk with clay opaque minerals, and calcite" 207 1258 A 25 R 6 123 234.73 D 20 5 1 * 59 15 Nannofossil chalk with foraminifers and calcite 207 1258 A 26 R 1 36 235.96 D 5 23 1 1 8 5 * 45 7 5 Nannofossil chalk with clay 207 1258 A 26 R 2 103 238.13 D 5 26 3 10 5 40 8 3 Nannofossil chalk with zeolite and clay 207 1258 A 26 R 3 91 239.51 D 8 30 10 3 1 40 3 5 "Nannofossil and clay, chalk with zeolite" 207 1258 A 26 R 6 60 243.10 D 5 57 1 1 8 20 5 3 Claystone with nannofossils 207 1258 A 26 R 7 74 244.74 D 10 45 10 10 5 20 Calcareous claystone with zeolite 207 1258 A 27 R 1 101 246.31 M 34 3 10 3 25 25 Calcareous foraminifer chalk with quartz 207 1258 A 27 R 1 106 246.36 D 49 1 10 20 20 Calcareous chalk with quartz and foraminifers 207 1258 A 27 R 3 87 249.17 D 23 10 1 3 3 40 20 Foraminifer and calcareous chalk with clay 207 1258 A 27 R 4 6 249.86 D 38 2 10 30 20 Calcareous and foraminifer chalk with zeolite 207 1258 A 27 R 4 144 251.24 D 32 20 * 10 8 * 30 Calcite and foraminifer chalk with quartz and clay 207 1258 A 27 R 5 99 252.29 D 62 2 5 1 20 10 Calcareous chalk with foraminifers 207 1258 A 28 R 2 26 256.66 D 5 2 36 * 2 40 15 Clayey nannofossil chalk with foraminifers 207 1258 A 28 R 6 26 262.66 D 15 10 * 3 41 31 Foraminifer and nannofossil chalk 207 1258 A 29 R 5 40 270.82 D 10 8 2 50 30 Foraminifer and nannofossil chalk 207 1258 A 30 R 3 30 277.50 D 10 10 5 * 65 10 Nannofossil chalk 207 1258 A 31 R 3 80 287.70 D 5 10 * 5 70 10 Nannofossil chalk 207 1258 A 32 R 6 80 301.80 D 10 5 1 54 30 Foraminifer and nannofossil chalk 207 1258 A 33 R 3 80 306.90 D 10 15 * * 1 59 15 Nannofossil chalk with foraminifers and clay 207 1258 A 34 R 1 80 313.60 D 15 10 10 50 15 Nannofossil chalk with foraminifers 207 1258 A 35 R 3 103 326.43 D 30 42 3 5 2 5 5 8 Calcareous chalk with clay 207 1258 A 35 R 5 105 329.45 D 50 14 5 8 5 5 10 3 Calcareous chalk with foraminifers 207 1258 A 35 R 6 103 330.93 D 60 14 2 5 4 2 * 10 3 Calcareous chalk with nannofossils 207 1258 A 36 R 1 124 333.24 D 60 12 5 3 2 1 10 2 5 Calcareous chalk with nannofossils and clay 207 1258 A 36 R 3 97 335.97 M 40 44 2 1 3 10 Calcareous clayey chalk with nannofossils 207 1258 A 36 R 4 90 337.40 D 5 69 5 8 3 10 Claystone with nannofossils 207 1258 A 37 R 2 75 343.95 D 60 22 2 1 15 Limestone with nannofossils 207 1258 A 37 R 3 47 345.17 D 40 36 2 10 1 1 10 Calcite and clayey chalk with nannofossils and pyrite 207 1258 A 38 R 1 59 351.89 D 89 5 1 5 Limestone 207 1258 A 39 R 3 108 364.21 D 30 8 10 * 5 3 1 1 40 2 Nannofossil limestone with dolomite 207 1258 A 40 R 1 85 371.35 D 10 5 5 10 10 3 1 1 50 5 "Nannofossil chalk with calcite, pyrite, and manganese oxide" 207 1258 A 40 R 3 144 374.94 D 10 12 25 5 5 2 1 40 Nannofossil chalk with calcite and manganese oxide 207 1258 A 41 R 2 67 382.37 M 20 15 5 20 5 2 3 30 "Nannofossil chalk with clay, calcite, and manganese oxide" 207 1258 A 41 R 4 61 385.16 D 15 23 5 15 1 40 1 "Nannofossil chalk with calcite, pyrite and clay" 207 1258 A 42 R 1 85 390.65 D 15 10 7 15 5 15 5 8 20 "Chalk with clay, zeolite, pyrite, and planktonic foraminifers" 207 1258 A 42 R 2 70 392.00 D 5 59 10 15 1 10 "Claystone with organic debris, pyrite and zeolite" 207 1258 A 43 R 2 80 401.48 D 5 3 10 3 1 5 43 10 20 Nannofossil chalk with organic debris 207 1258 A 43 R 4 72 403.71 M 25 * 15 41 4 15 Clayey nannofossil chalk with organic debris 207 1258 A 45 R 2 98 420.96 D 2 10 * 10 53 5 20 Nannofossil chalk with organic debris 207 1258 A 46 R 3 42 426.54 D 2 5 10 2 10 * 43 8 20 Nannofossil chalk with organic debris 207 1258 A 48 R 2 70 434.99 D 3 10 3 69 5 10 Nannofossil chalk 207 1258 A 49 R 3 80 441.64 D 5 3 10 1 1 * 50 10 20 Nannofossil chalk with organic debris 207 1258 A 50 R 3 70 445.89 D 3 20 * 3 1 * 48 5 20 Nannofossil chalk with clay and organic debris 207 1258 A 50 R CC 3 446.25 D 3 3 50 * 1 1 26 1 15 Nannofossil clay with organic debris