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ODP SCIENTIFIC RESULTS
LEG 153 - Mid-Atlantic Ridge

Table of Contents

SECTION 1: STRUCTURAL GEOLOGY

Chapter 1: Tectonic setting of serpentinite exposures on the western median valley wall of the MARK area in the vicinity of Site 920, p.5–21.
J.A. Karson and R.M. Lawrence
See abstract

Chapter 2: High-temperature ductile deformation of Site 920 peridotites, p.23–34.
G. Ceuleneer and M. Cannat
See abstract

Chapter 3: Serpentinization and hydrothermal veining in peridotites at Site 920 in the MARK area, p. 35–59.
Y. Dilek, A. Coulton, and S.D. Hurst
See abstract

Chapter 4: Tectonic window into gabbroic rocks of the middle oceanic crust in the MARK area near Sites 921-924, p. 61–76.
J.A. Karson and R.M. Lawrence
See abstract

Chapter 5: Localization of ductile strain and the magmatic evolution of the gabbroic rocks drilled at the Mid-Atlantic Ridge (23°N), p. 77–98.
M. Cannat, G. Ceuleneer, and J. Fletcher
See abstract

Chapter 6: Textural, geochemical, and isotopic variations in gabbroic shear zones from the MARK area, p. 99–121.
S.M. Agar, J.F. Casey, and P.D. Kempton
See abstract

Chapter 7: Deformation of Fe-Ti oxides in gabbroic shear zones from the MARK area, p. 23–141.
S.M. Agar and G.E. Lloyd
See abstract

Chapter 8: Microfabrics and patterns of dynamic recrystallization in gabbroic rocks from the MARK area, Mid-Atlantic Rift, p. 143–153.
J. Fletcher, G. Ceuleneer, and M. Cannat
See abstract

Chapter 9: Structure and petrology of hydrothermal veins in gabbroic rocks from Sites 921 to 924, MARK area (Leg 153): alteration history of slow-spread lower oceanic crust, p. 155–179.
Y. Dilek, P.D. Kempton, P. Thy, S.D. Hurst, D. Whitney, and D.S. Kelley
See abstract

SECTION 2: IGNEOUS PETROLOGY AND GEOCHEMISTRY

Chapter 10: Comparison of major- and trace-element geochemistry of abyssal peridotites and mafic plutonic rocks with basalts from the MARK region of the Mid-Atlantic Ridge, p. 181–241.
J.F. Casey
See abstract

Chapter 11: Gabbroic rocks trapped in the upper mantle at the Mid-Atlantic Ridge, p. 243–264.
M. Cannat, F. Chatin, H. Whitechurch, and G. Ceuleneer
See abstract

Chapter 12: Mineralogy of MARK peridotites: replacement through magma channeling examined from Hole 920D, MARK area, p. 265–275.
K. Niida
See abstract

Chapter 13: Extreme incompatible trace-element depletion of diopside in residual mantle from south of the Kane Fracture Zone, p. 277–284.
K. Ross and D. Elthon
See abstract

Chapter 14: Heterogeneity of oceanic peridotite from the Western Canyon Wall at MARK: results from Site 920, p. 285–303.
C.J. Stephens
See abstract

Chapter 15: A Sr-, Nd-, Pb-, O-isotope study of plutonic rocks from MARK, Leg 153: implications for mantle heterogeneity and magma chamber processes, p. 305–319.
P.D. Kempton and A.G. Hunter
See abstract

Chapter 16: Petrology and geochemistry of nodular websterite inclusions in harzburgite, Hole 920D, p. 321–331.
P.D. Kempton and C.J. Stephens
See abstract

Chapter 17: Cumulus and postcumulus crystallization in the oceanic crust: major- and trace-element geochemistry of Leg 153 gabbroic rocks, p. 333–350.
K. Ross and D. Elthon
See abstract

Chapter 18: Whole-rock geochemistry and Sr-, Nd-, and Pb-isotopic characteristics of undeformed, deformed, and recrystallized gabbros from Sites 921, 922, and 923 in the MARK area, p. 351–362.
J. Barling, J. Hertogen, and D. Weis
See abstract

Chapter 19: Petrology and geochemistry of crosscutting diabase dikes, Sites 920 and 921, p. 363–379.
P.D. Kempton and J.F. Casey
See abstract

SECTION 3: METAMORPHIC PETROLOGY AND GEOCHEMISTRY

Chapter 20: Oxygen-isotope constraints on serpentinization processes in ultramafic rocks from the Mid-Atlantic Ridge (23°N), p. 381–388.
P. Agrinier and M. Cannat
See abstract

Chapter 21: Greenschist facies hydrothermal alteration of oceanic gabbros: a case study of element mobility and reaction paths, p. 389–398.
J.M. Fletcher, C.J. Stephens, E.U. Petersen, and L. Skerl
See abstract

Chapter 22: Fluid evolution in slow-spreading environments, p. 399–415.
D.S. Kelley
See abstract

SECTION 4: PALEOMAGNETIC AND PHYSICAL PROPERTIES STUDIES

Chapter 23: Magnetic anisotropy in serpentinized peridotites from Site 920: its origin and relationship to deformation fabrics, p. 419–427.
R.M. Lawrence, J.S. Gee, and S.D. Hurst
See abstract

Chapter 24: Remanence characteristics of gabbros from the MARK area: implications for crustal magnetization, p. 429–436.
J.S. Gee, R.M. Lawrence, and S.D. Hurst
See abstract

Chapter 25: Seismic velocities of lower crustal and upper mantle rocks from the slow-spreading Mid-Atlantic Ridge, south of the Kane Transform Zone (MARK), 437–454.
D.J. Miller and N.I. Christensen
See abstract

SECTION 5: DATA REPORTS

Chapter 26: Data Report: Geochemistry and mineral chemistry of ultramafic rocks from the Kane Area (MARK), p. 457–470.
C.-D. Werner and J. Pilot
See abstract

Chapter 27: Data Report: Mineralogy and Sr- and Nd-isotopic composition of gabbroic oceanic crust recovered from Holes 923A and 921E in the MARK area, p. 471–490.
N. Fujibayashi, H. Kagami, and Y. Oishi
See abstract

Chapter 28: Data Report: Geochemistry of rocks and minerals of the gabbro complex from the MARK area, p. 491–504.
C.-D. Werner

Chapter 29: Data Report: Mineralogic, structural, and chemical variability of mantle sections in Holes 920B and 920D, p. 505–521.
K.-P. Burgath, V. Marchig, K. Mussallam
See abstract

Chapter 30: Data Report: Oxides, sulfides, and associated phases in veins and hydrothermally altered peridotitic rocks, p. 523–529.
L. Gaggero, L. Cortesogno, and M. Gazzotti
See abstract

Chapter 31: Data Report: Metamorphic mineralogy of Leg 153 gabbros, p. 531–546.
L. Gaggero and L. Cortesogno
See abstract

Chapter 32: Data Report: Reorientation of structural features at Sites 920 to 924 using remanent magnetization and magnetic characteristics, p. 547–559.
S.D. Hurst, J.S. Gee, and R.M. Lawrence
See abstract


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Last Modified: 16 June 1997