"Leg 207, Site 1258, Hole 1258C Smear Slide Data" Sample Mineral Biogenic Rock Other Leg Site H Cor CT Sct Top (cm) Depth (mbsf) Lithology Barite (17) Calcite (30) Carbonate (35) Clay Mineral (47) Dolomite (62) Feldspar (71) Glauconite (82) Opaques (140) Pyrite (169) Quartz (172) Zeolite (222) Calcispheres (29) Diatoms (58) Fish Remains (74) Nannofossils (132) Planktonic Forams (160) Radiolarians (173) Siliceous Sponge Spicules (185) calcareous debris (161) Organic Debris Organic Matter (142) Other (45) Comments 207 1258 C 1 R 1 60 120.60 D 16 1 1 1 3 5 40 30 * 3 Foraminifers and nannofossil chalk with clay 207 1258 C 1 R 7 60 129.60 D 20 1 5 3 * 40 25 1 5 Nannofossil chalk with clay and foraminifers 207 1258 C 2 R 1 60 130.00 D 20 * 5 10 40 20 5 Nannofossil chalk with clay and foraminifers 207 1258 C 2 R 2 65 131.55 M 49 3 3 5 35 5 Nannofossil claystone 207 1258 C 2 R 2 100 131.90 M 29 1 5 10 * 40 5 10 "Nannofossil chalk with Calcisphere, Lepisphere, and clay" 207 1258 C 2 R 7 60 139.00 D 30 2 2 40 15 10 1 Clay and nannofossil chalk with radiolarian and foraminifers 207 1258 C 3 R 1 50 139.50 D 2 5 5 50 5 30 3 Radiolarian and nannofossil chalk 207 1258 C 3 R 3 76 142.76 D 45 15 35 5 Radiolarian and nannofossil chalk with foraminifers 207 1258 C 3 R 4 60 144.10 M 47 10 40 3 Radiolarian and nannofossil chalk with foraminifers 207 1258 C 4 R 1 50 149.10 D 50 5 40 5 Radiolarian and nannofossil chalk 207 1258 C 4 R 6 60 156.70 D 3 * 29 20 40 5 3 Nannofossil and radiolarian chalk with foraminifers 207 1258 C 5 R 2 80 160.50 D 3 * * * 37 15 40 5 Nannofossil and radiolarian chalk with foraminifers 207 1258 C 5 R 3 54.5 161.75 M 5 1 34 10 50 Nannofossil and radiolarian chalk with foraminifers 207 1258 C 6 R 1 45 168.35 D 5 1 1 40 10 35 5 3 Radiolarian and nannofossil chalk with foraminifers 207 1258 C 7 R 1 146 178.96 M 5 33 1 2 1 40 15 3 Clay and nannofossil chalk with foraminifers 207 1258 C 7 R 5 77.5 184.28 M 10 27 3 2 2 1 35 15 5 Clay and nannofossil chalk with calcite and foraminifers 207 1258 C 8 R 5 8 193.28 D 5 27 3 5 2 3 * 45 10 Nannofossil chalk with foraminifers and clay 207 1258 C 8 R 6 74 195.44 D 60 15 8 2 15 Claystone with pyrite and nannofossils 207 1258 C 8 R 7 60 196.80 D 5 15 10 50 20 "Nannofossil chalk with quartz, clay, and foraminifers" 207 1258 C 9 R 3 84 200.34 D 5 13 2 10 50 20 "Nannofossil chalk with quartz, clay, and foraminifers" 207 1258 C 9 R 5 78 203.28 M 10 27 3 5 45 10 "Nannofossil chalk with foraminifers, calcite, and clay" 207 1258 C 12 R 3 13 258.03 D 35 2 3 2 55 3 Nannofossil and clayey chalk 207 1258 C 12 R 4 47 259.87 D 3 28 2 2 5 55 5 Nannofossil chalk with clay 207 1258 C 12 R 7 81 263.94 M 25 1 2 2 55 10 5 Nannofossil limestone with foraminifers and calcite 207 1258 C 12 R 7 100 264.13 M 61 3 1 20 15 Claystone with foraminifers and nannofossils 207 1258 C 12 R 7 140 264.53 D 3 10 2 60 25 Nannofossil chalk with clay and foraminifers 207 1258 C 14 R 3 80 388.50 D 34 3 5 55 3 Clay and nannofossil chalk 207 1258 C 15 R 1 28 390.08 D 5 27 1 1 60 3 3 Nannofossil chalk with clay 207 1258 C 15 R 3 130 394.07 D 15 8 10 1 7 39 10 10 Nannofossil chalk with foraminifers 207 1258 C 16 R 2 58 396.48 D 5 3 35 1 8 28 10 10 Nannofossil clay 207 1258 C 17 R 1 94 400.34 M * 65 35 * * Clay with opaque minerals 207 1258 C 17 R CC 12 402.69 D 30 8 15 25 22 Clay with foraminifers and organic matter 207 1258 C 18 R 1 125 405.35 D 5 30 2 * 8 35 5 15 Clayey nannofossil chalk with organic matter 207 1258 C 19 R 1 90 410.00 D 8 35 5 25 12 15 Nannofossil clay with organic matter and foraminifers 207 1258 C 22 R 1 90 424.20 D 17 20 * 2 5 28 25 3 Foraminifers and Nannofossil chalk with clay 207 1258 C 22 R 3 90 426.36 D 76 * 2 20 2 Calcareous sand with foraminifers 207 1258 C 23 R 1 75 429.05 D 6 29 1 1 45 8 10 Clayey nannofossil chalk 207 1258 C 24 R 1 65 433.55 D 8 40 1 1 * 35 5 10 Nannofossil clay 207 1258 C 25 R 1 95 438.85 D 5 55 15 5 20 Clay with organic matter and nannofossils 207 1258 C 26 R 1 56 443.06 D 10 60 * 20 10 Clay with nannofossils 207 1258 C 27 R 3 61 451.02 D 5 67 1 15 12 Clay with nannofossils and organic matter 207 1258 C 28 R 2 25 453.55 D 75 5 3 2 3 2 10 Claystone with organic matter 207 1258 C 29 R 2 86 459.16 M 58 1 15 8 3 5 10 Claystone with organic matter and pyrite 207 1258 C 29 R 2 130 459.60 D 5 40 10 10 10 5 10 10 "Claystone with quartz, foraminifer, and organic matter" 207 1258 C 31 R 1 131 467.71 M 5 5 5 50 15 5 2 3 5 5 Clay with opaque minerals 207 1258 C 32 R 2 72 468.62 D 5 44 2 10 2 5 2 10 10 10 "Clay with quartz, foraminifers, and radiolarians" 207 1258 C 33 R 1 108 477.08 M 10 26 15 5 1 5 20 10 3 5 "Nannofossil claystone with foraminifers, calcite and opaque minerals" 207 1258 C 34 R 2 38 482.58 D 5 81 * 1 * 3 * 10 Claystone with carbonate and organic carbon 207 1258 C 34 R 2 104 483.24 M 96 * 2 2 Claystone (altered ash?) 207 1258 C 34 R 2 128 483.48 M 88 2 10 Clay with quartz (altered ash?)