Figures F1-F19
Tables
T1-T13
F1. Fresh and slightly altered, aphyric rhyodacite from the top of Hole 1191A.
F2. Altered rhyodacite with spotty appearance and strongly elongated, tabular vesicle lined with fine zeolite crystals.
F3. Fresh rhyodacite with about equal proportions of volcanic glass and fine microcrystalline plagioclase needles.
F4. Slightly altered rhyodacite with volcanic groundmass unevenly replaced by a very fine grained assemblage of silica and clay.
F5. Original groundmass locally preserved as isolated xenolith-like domains in moderately altered rhyodacite.
F6. Cristobalite-clay alteration of pale brown volcanic glass in a moderately altered volcanic rock.
F7. Framboids of possible greigite or pyrite in a marcasite-filled vein.
F8. Variation in dips and plunges and the relationships between volcanic layering and lineations.
F9. Variation of dip vs. depth of pyrite-silica veins.
F10. Chemical classification of fresh volcanic rocks.
F11. IUGS classification of fresh volcanic rocks.
F12. Dacitic volcanic glass with embedded magnetite and plagioclase microlites showing bacterial habitation.
F13. Magnetic susceptibility.
F14. Natural gamma radiation.
F15. Thermal conductivity.
F16. Volume susceptibility of archive-half-core and minicore samples.
F17. Anisotropy of magnetic susceptibility.
F18. Natural remanent magnetization intensity of archive-half-core and minicore samples.
F19. Thermal demagnetization curve of a dacite sample.
T1. Coring summary.
T2. Lithology and alteration of Unit 1.
T3. Results of point counts on volcanic rock thin sections.
T4. Minerals identified by XRD analysis.
T5. Major element and selected trace element compositions.
T6. Total bacterial counts and ATP measurements.
T7. Enrichment cultivation at different cultivation conditions.
T8. Compressional wave velocities.
T9. Index properties.
T10. ICP powder grain densities.
T11. Magnetic properties of minicores.
T12. Anisotropy of magnetic susceptibility.
T13. Magnetic properties of minicores after alternating-field demagnetization.