Table of Contents

SECTION 1: IGNEOUS PETROLOGY AND GEOCHEMISTRY

Chapter 1: Downhole variation of nitrogen in Hole 504B: preliminary results; p. 3-7.
J. Erzinger and W. Bach
See abstract

Chapter 2: Geochemistry of lavas from Hole 896A; p. 9-19.
T.S. Brewer, W. Bach, and H. Furnes
See abstract

Chapter 3: Composition and crystallization temperatures of primary melts from Hole 896A basalts: evidence from melt inclusion studies; p. 21-35.
A.W. McNeill and L.V. Danyushevsky
See abstract

SECTION 2: ALTERATION

Chapter 4: Chemistry of the lower sheeted dike complex, Hole 504B, Leg 148: the influence of magmatic differentiation and hydrothermal alteration; p. 39-55.
W. Bach, J. Erzinger, J.C. Alt, and D.A.H. Teagle
See abstract

Chapter 5: Stable and strontium isotopic profiles through hydrothermally altered upper oceanic crust, Hole 504B; p. 57-69.
J.C. Alt, D.A.H. Teagle, W. Bach, A.N. Halliday, and J. Erzinger
See abstract

Chapter 6: Chemistry and origin of secondary minerals from the deep sheeted dikes cored during Leg 148, Hole 504B; p. 71-86.
D.A. Vanko, C. Laverne, P. Tartarotti, and J.C. Alt
See abstract

Chapter 7: Nature of fluid inclusions in samples of the deep sheeted dikes cored during Leg 148, Hole 504B; p. 87-95.
C. Gu and D.A. Vanko
See abstract

Chapter 8: Metasomatic and metamorphic peculiarities of the diabase dike alteration in Hole 504B, Leg 140; p. 97-109.
N.N. Pertsev and E.B. Kurdyukov
See abstract

Chapter 9: Simulation of borehole fluid mixing on the basis of geochemical observations, Hole 504B; p. 111-118.
A.J. Magenheim and J.M. Gieskes
See abstract

Chapter 10: Alteration of upper ocean crust in a ridge-flank hydrothermal upflow zone: mineral, chemical, and isotopic constraints fron Hole 896A; p. 119-150.
D.A.H. Teagle, J.C. Alt, W. Bach, A.N. Halliday, and J. Erzinger
See abstract

Chapter 11: Alteration mineralogy and chemistry of the upper oceanic crust from Hole 896A, Costa Rica Rift; p. 151-170.
C. Laverne, A. Belarouchi, and J. Honnorez
See abstract

Chapter 12: Correlation among the changes with alteration in the mineralogical, chemical, and magnetic properties of upper ocean crust, Hole 896A; p. 171-189.
J. Honnorez, B.M. Honnorez-Guerstein, H.-U. Worm, and C. Laverne
See abstract

Chapter 13: Microbial activity in the alteration of glass from pillow lavas from Hole 896A; p. 191-206.
H. Furnes, I.H. Thorseth, O. Tumyr, T. Torsvik, and M. Fisk
See abstract

Chapter 14: Genetic evidence for endolithic microbial life colonizing basaltic glass/seawater interfaces;
p. 207-214.
S.J. Giovannoni, M.R. Fisk, T.D. Mullins, and H. Furnes
See abstract

SECTION 3: PALEOMAGNETISM

Chapter 15: Paleomagnetic and rock magnetic properties of Hole 896A; p. 217-226.
S. Allerton, H.-U. Worm, and L.B. Stokking
See abstract

SECTION 4: STRUCTURAL GEOLOGY

Chapter 16: Structure of the sheeted dike complex in Hole 504B (Leg 148); p. 229-243.
Y. Dilek, G.D. Harper, P.A. Pezard, and P. Tartarotti
See abstract

Chapter 17: Structural evolution of the upper Layer 2, Hole 896A; p. 245-259.
G.D. Harper and P. Tartarotti
See abstract

Chapter 18: Structure of upper Layer 2 in Hole 896A; p. 261-279.
Y. Dilek, G.D. Harper, J. Walker, S. Allerton, and P. Tartarotti
See abstract

Chapter 19: Crack-seal veins in upper Layer 2 in Hole 896A; p. 281-288.
P. Tartarotti, D.A. Vanko, G.D. Harper, and Y. Dilek
See abstract

SECTION 5: BOREHOLE MEASUREMENTS

Chapter 20: Temperature measurements and heat-flow analysis in Hole 504B; p. 291-296.
G. Guerin, K. Becker, R. Gable, and P.A. Pezard
See abstract

Chapter 21: Electrical conduction in oceanic dikes, Hole 504; p. 297-305.
A. Revil, M. Darot, P.A. Pezard, and K. Becker
See abstract

Chapter 22: Fracture distribution from downhole electrical images at the base of the sheeted dike complex in Hole 504B; p. 307-315.
M. Ayadi, P.A. Pezard, and F.D. de Larouzière
See abstract

Chapter 23: Fractures, porosity, and stress in the dolerites of Hole 504B, Costa Rica Rift; p. 317-329.
P.A. Pezard, K. Becker, A. Revil, M. Ayadi, and P. Harvey
See abstract

Chapter 24: Implications for the sources of marine magnetic anomalies derived from magnetic logging in Holes 504B and 896A; p. 331-338.
H.-U. Worm, V. Böhm, and W. Bosum
See abstract

Chapter 25: Vertical seismic profile into upper oceanic crust in Hole 504B; p. 339-347
S.A. Swift, H. Hoskins, and R.A. Stephen
See abstract

Chapter 26: Effect of the ship's hull on seismic sources; p. 349-352.
H. Hoskins
See abstract

Chapter 27: Permeability measurements in Hole 896A, and implications for the lateral variability of upper crustal permeability at Sites 504 and 896; p. 353-363.
K. Becker
See abstract

Chapter 28: Microstructure and physical properties of samples from Hole 896A; p. 365-374.
R.H. Wilkens and M.H. Salisbury
See abstract

Chapter 29: Downhole measurements and electrical images in Hole 896A, Costa Rica Rift; p. 375-388.
F.D. de Larouzière, P.A. Pezard, and M. Ayadi
See abstract

Chapter 30: Neutron absorption cross section (…) of basaltic basement samples from Hole 896A, Costa Rica Rift; p. 389-394.
T.S. Brewer, P.K. Harvey, J. Locke, and M.A. Lovell
See abstract

SECTION 6: PHYSICAL PROPERTIES

Chapter 31: Effect of hydrostatic pressure on the thermal conductivity of basalt from Hole 504B, with some reassessment of the shipboard data; p. 397-400.
H. Kinoshita, H. Fujisawa, N. Sakai, H. Sato, and H. Watanabe
See abstract

Chapter 32: Relationships between strengths and physical properties of samples recovered during Legs 137, 140, and 148 from Hole 504B; p. 401-407.
D. Moos and P. Pezard
See abstract

Chapter 33: Nature of the Layer 2/3 transition from a comparison of laboratory and logging velocities and petrology at the base of Hole 504; p. 409-414.
M.H. Salisbury, N.I. Christensen, and R.H. Wilkens
See abstract

SECTION 7: SYNTHESES

Chapter 34: Hydrothermal alteration of a section of upper oceanic crust in the eastern equatorial Pacific: a synthesis of results from Site 504 (DSDP Legs 69, 70, and 83, and ODP Legs 111, 137, 140, and 148); p. 417-434.
J.C. Alt, C. Laverne, D. Vanko, P. Tartarotti, D.A.H. Teagle, W. Bach, E. Zuleger, J. Erzinger, J. Honnorez, P.A. Pezard, K. Becker, M.H. Salisbury, and R.H. Wilkens
See abstract

Chapter 35: Ridge flank alteration of upper ocean crust in the Eastern Pacific: synthesis of results for volcanic rocks of Holes 504B and 896A; p. 435-450.
J.C. Alt, D.A.H. Teagle, C. Laverne, D. Vanko, W. Bach, J. Honnorez, and K. Becker
See abstract

SECTION 8: DATA REPORTS

Chapter 36: Data Report: Gold content in upper crustal rocks from Hole 504B; 453-454.
A.F. Korobeynikov and N.N. Pertsev
See abstract

Chapter 37: Data Report: Trace-element geochemistry of the lower sheeted dike complex, Hole 504B, Leg 140; p. 455-466.
E. Zuleger, J. Alt, and J. Erzinger
See abstract

Chapter 38: Data Report: Magnetic properties and magnetic oxide mineralogy of upper crustal rocks from Holes 504B and 896A; p. 467-482.
L.B. Stokking, E.A. Heise, S. Allerton, and H.-U. Worm
See abstract

Chapter 39: Data Report: Major-element chemistry of Hole 896A glass; p. 483-487.
M.R. Fisk, A.W. McNeill, and D.A.H. Teagle, H. Furnes, and W. Bach

SECTION 9: POLICY

JOIDES Advisory Groups; p. 491-495.
Sample Distribution Policy; p. 497-500.

SECTION 10: INDEX

Index; p. 503.

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Last Modified: 1 July 1997