"Initial Reports, Volume 201" Shipboard Scientific Party Site 1228 Smear Slides Sample Texture Mineral Biogenic Rock Site H Cor CT Sct Top (cm) Depth (mbsf) Lithology Sand Silt Clay Clay Mineral (47) Dolomite (62) Feldspar (71) Glauconite (82) Opaques (140) Plagioclase (159) Pyrite (169) Quartz (172) Diatoms (58) Foraminifers (78) Nannofossils (132) Radiolarians (173) Silicoflagellates (189) Clay size particles (255) Lithoclast (107) Organic Debris/matter (142) Silt (191) Volcanic Glass Shard (246) Comments 1228 A 1 H 1 40 0.4 D 90 10 15 8 3 7 67 Diatom-bearing Silt with Opaque Clasts 1228 A 1 H 1 99 0.99 M 90 10 5 10 20 55 10 Diatom-bearing Volcanic Glass-rich Silt 1228 A 1 H 2 132 2.73 M 10 80 10 5 10 * 1 40 44 Glauconite-bearing Quartz-rich Lithic Silty Sand 1228 A 2 H 6 126 13.66 D * 20 2 * 20 * 58 Diatom- and Clay-rich Silt 1228 A 2 H 7 29 14.19 D 10 10 * 10 70 Clay- and Diatom-rich Silt 1228 A 2 H 7 37 14.27 D * * 5 30 65 Diatom-bearing Clayey Silt 1228 A 3 H 1 60 15 D * 60 35 5 Clay-rich Diatom Ooze 1228 A 3 H 1 123 15.63 D 50 45 5 40 1 10 * 35 14 Pyrite-bearing Diatom- and Feldsper-rich Silt 1228 A 3 H 3 14 17.54 M 60 40 50 * 10 * 2 20 18 Feldsper Silt 1228 A 3 H 6 94 22.84 M * 10 90 Organic Matter 1228 A 4 H 3 110 28 D 10 2 25 * * * 30 3 25 5 Clay- Feldsper- and Nannofossil-rich Diatom Ooze 1228 A 4 H 5 110 31 M 70 * * 30 Foraminifer-rich Dolomite 1228 A 4 H 6 49 31.89 M * * * 90 * 10 Clay-rich Diatom Ooze 1228 A 5 H 1 100 34.4 M 85 * 15 Diatom-rich Dolomite 1228 A 5 H 4 60 38.5 D 20 5 1 * 60 2 12 Feldspar-bearing Clay-rich Diatom Ooze 1228 A 5 H 5 119 40.59 D 50 40 10 5 * * 20 * 10 25 40 Diatom- and Clay-rich Silty Sand 1228 A 6 H 2 50 44.9 D 30 2 * 63 5 Clay-rich Diatom Ooze 1228 A 6 H 2 85 45.25 M 79 3 3 5 * 10 Diatom- and Clay-rich Dolomite 1228 A 6 H 4 70 48.1 M 15 5 * 10 70 Diatom-bearing Pyrite- and Clay-rich Diatom Ooze 1228 A 6 H 5 33 49.23 D 10 * 85 5 Dolomite-bearing Diatom Ooze 1228 A 6 H 5 52 49.42 D 60 40 * 1 40 24 35 Diatom- and Clay-rich Silt 1228 A 6 H 5 119 50.09 M 100 Diatom Ooze 1228 A 6 H 6 62 51.02 M 90 10 88 1 1 5 5 Diatom- and Volcanic glass-bearing Dolomite 1228 A 7 H 3 61 56.01 D 53 47 2 1 50 47 Clay-rich Diatom Ooze 1228 A 7 H 4 50 57.4 D 90 10 5 10 85 Quartz-bearing Clay-rich Silt 1228 A 8 H 2 84 64.24 M 5 5 30 50 10 * Glauconite-bearing Quartz-rich Lithic Sand 1228 A 9 H 5 20 77.6 D 5 * 10 1 50 34 * Glauconite-bearing Quartz- and Silt-rich Clay 1228 A 10 H 3 29 84.19 M 60 40 5 5 5 1 84 Quartz- and Plagioclase- and Diatom-bearing Volcanic glass 1228 A 10 H 3 40 84.3 D 5 5 5 10 45 30 Diatom-rich Silty Clay 1228 A 10 H 5 30 87.2 D 2 2 2 4 45 45 Diatom-bearing Silty Clay 1228 A 14 H 4 90 115.8 M 4 94 1 1 Diatom Ooze 1228 A 14 H 5 39 116.79 D 1 30 * 5 14 10 40 Diatom- and Quarz-rich Feldspar-Silt 1228 A 16 H 2 97 130.87 M 10 70 20 15 20 4 4 * 10 47 Diatom- and Dolomite-rich Silt 1228 A 16 H 4 62 133.52 D 30 5 65 30 4 10 5 51 Diatom-bearing Quartz- and Feldspar-rich Sandy Clay 1228 A 18 H 2 78 149.68 D 40 60 15 20 * * 10 25 30 Quartz- Feldspar- and Diatom-rich Clay 1228 A 20 H 2 70 168.45 D 20 65 15 * 30 5 * 20 * 5 40 Feldspar- and Quartz-rich Sandy Silt 1228 A 21 H 1 50 176.4 D 90 10 45 45 10 Clay-bearing Feldspar- and Quartz-Silt 1228 A 22 H 1 78 186.18 M 100 90 5 5 * Quartz- and Feldspar-bearing Dolomite Silt 1228 C 1 H 2 75 2.25 D 5 * 10 5 * 5 10 65 * Quartz- and Clay-bearing Feldspar- and Diatom-rich Silt