Crustal feeding in the Oman ophiolite: From the top and from the bottom? A thermal and mass balance model

Geophysical Research Letters

Volumn 24, Issue 14, 1997, Pages 1811-1814

  Chenevez, Jérôme ^a,b   Nicolas, Adolphe ^a,b  

^a CNRS   (France)

^b UNIV MONTPELLIER   (France)

Author keywords

[No Author keywords available]

Indexed keywords

HYDRAULIC STRUCTURES; LEVEES; BASALT; BOUNDARY LAYERS; CALCULATIONS; CONSTRAINT THEORY; CRYSTALLIZATION; GEOLOGY; HEAT TRANSFER; IGNEOUS ROCKS; MATHEMATICAL MODELS; NUSSELT NUMBER; STABILITY;

BASALTIC MELTS; FIELD INFORMATIONS; GEOPHYSICAL DATA; HYDROTHERMALLY; MASS BALANCE MODEL; MASS-BALANCE CALCULATIONS; SPREADING RIDGE; THERMAL BOUNDARY LAYER;

BOUNDARY LAYERS; GEOPHYSICS;

BASALT MELT LENS; CRUSTAL FEEDING; GABBRO; MASS BALANCE; OMAN OPHIOLITE; ROOT ZONE; SPREADING RATE; THERMAL BALANCE;

BASALT; CRUSTAL FORMATION; MASS BALANCE MODEL; MID OCEAN RIDGE; OPHIOLITE; THERMAL MODEL;

EID: 0031180217     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/97GL01681     Document Type: Article

References (15)

1. Boudier, F., A. Nicolas, and B. Ildefonse, Magma chambers in the Oman ophiolite : fed from the top or from the bottom ?, Earth Planet. Sci. Lett., 144, 239-250, 1996.
2. Boudier, F., A. Nicolas, R Ildefonse, and D. Jousselin, EPR microplates, a model for the Oman ophiolite, Terra Nova, in press.
3. Detrick, R.S., P. Buhl, E. Vera, J. Mutter, J. Orcutt, I. Madsen, and T. Brocher, Multi-channel seismic imaging of a crustal magma chamber along the East Pacific Rise, Nature, 326, 35-41, 1987.
4. Detrick, R.S., A.J. Harding, G.M. Kent, J.A. Orcutt, J.C. Mutter, and P. Huhl, Seismic structure of the southern Hast Pacific Rise, Science. 259, 499-503, 1993.
5. Dewey, J.K., and W.S.F. Kidd, Geometry of plate accretion, Geol. Soc: Am. Bull., 88, 960-968, 1977.
6. Garmany, J., Accumulations of melt at the base of young oceanic crust, Nature, 340, 628-632, 1989.
7. Hussenoeder, S.A., J.A. Collins, G.M. Kent, R.S. Detrick, A.J. Harding, J.A. Orcutt, J.C. Mutter, and P. Buhl, Seismic analysis of the axial magma chamber reflector along the southern East Pacific Rise from convcntionnal reflection profiling, Journal of Geophysical research Solid Earth, 101 (B10), 22087-22105, 1996.
8. Juteau, T., M. Ernewein, I. Reuber, H. Whitechurch, and R. Dahl, Duality of magmatism in the plutonic sequence of the Sumail nappe, Oman, Tectonophysics, 151, 107-135, 1988.
9. Phipps Morgan, J., and Y.J. Chen, The genesis of oceanic crust: magma injection, hydrothermal circulation, and crustal flow, J. Geoph. Res., 98, 6283-6297, 1993.
10. Purely, G.M., G. Christenson, and S. Solomon, Relationship between spreading rate and the seismic structure of mid-ocean ridges, Nature, 355, 15-817, 1992.
11. Quick, J.E., and R.P. Denlinger, Ductile deformation and the origin of layered gabbro in ophiolites, J. Geoph. Res., 98, 14015-14027, 1993.
12. Rosencrantz, E., The structure of the sheeted dikes and associated rocks north in Nort Arm massif, Bay of Islands ophiolite complex, and the intrusive process at oceanic spreading centers. Can. J. Earth sci., 20, 787-801, 1983.
13. Rothery, D.A., The base of a sheeted dyke complex, Oman ophiolite : Implications for magma chambers at oceanic spreading axes, J. Geol. Soc. London, 140, 287-296, 1983.
14. Toomey, D.R., S.C. Solomon, and G.M. Purdy, Tomographic imaging of the shallow crustal structure of the East Pacific Rise at 9 degrees 30′ N. J. Geoph. Res., 99, 24135-24157, 1994.
15. Wilson, D.S., S.A. Clague, N.H. Sleep, and J.L. Morton, Implication of magma convection for the size and temperatures of magma chambers at fast spreading ridges, J. Geoph. Res., 93, 11974-11984, 1988.