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Solidification and recharge of SiO_2-rich plutonic magma chambers

Hill, R. I. and Silver, L. T. and Chappell, B. W. and Taylor, H. P., Jr. (1985) Solidification and recharge of SiO_2-rich plutonic magma chambers. Nature, 313 (6004). pp. 643-646. ISSN 0028-0836. doi:10.1038/313643a0.

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There exists substantial variation in initial strontium isotopic composition in rocks from three otherwise homogeneous tonalite plutons. We interpret disrupted dykes as conduits through which heterogeneous liquids were added periodically to the inflating magma chambers. Recharge buffered the physicochemical but not the strontium isotope properties of the crystallizing liquids.

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Additional Information:© 1985 Nature Publishing Group. Received 17 September: accepted 27 December 1984. We acknowledge support from NSF Grants EAR 76-23153 and 77-23507 to L.T.S. and 78-16874 to H.P.T.; from DOE Contract DE-AC13-76 GJO 1664, Bendix Field Engineering Corp. subcontract 79-384-E, to L.T.S.; and from a Conoco Fellowship and the Division of Geological and Planetary Sciences, California Institute of Technology, for R.I. H. We thank R. S. J. Sparks for discussions.
Funding AgencyGrant Number
NSFEAR 76-23153
NSFEAR 77-23507
NSFEAR 78-16874
Department of Energy (DOE)DE-AC13-76 GJO 1664
Bendix Field Engineering Corp.79-384-E
Conoco FellowshipUNSPECIFIED
Caltech Division of Geological and Planetary SciencesUNSPECIFIED
Issue or Number:6004
Record Number:CaltechAUTHORS:20140311-101114151
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Official Citation:Solidification and recharge of SiO2-rich plutonic magma chambers 643 R. I. Hill, L. T. Silver, B. W. Chappell & H. P. Taylor Jr doi:10.1038/313643a0
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:44239
Deposited By: Ruth Sustaita
Deposited On:12 Mar 2014 15:18
Last Modified:10 Nov 2021 16:49

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