Re-examination of crystal ages in recent Mount St. Helens lavas: Implications for magma reservoir processes

Earth and Planetary Science Letters

Volumn 213, Issue 1-2, 2003, Pages 149-167

  Cooper, Kari M ^a   Reid, Mary R ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Barium; Crystallization; Diffusion; Plagioclase; Radium; Uranium series disequilibria

Indexed keywords

BARIUM; CRYSTALLIZATION; DIFFUSION; HOLOCENE; LAVA; MAGMA; PLAGIOCLASE; URANIUM SERIES DATING;

MOUNT ST. HELENS; UNITED STATES; WASHINGTON;

EID: 0043200957     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0012-821X(03)00262-0     Document Type: Article

References (38)

1. Black S.Macdonald R.DeVivo B.Kilburn C.R.J.Rolandi G.U-series disequilibria in young (A.D. 1944) Vesuvius rocks: Preliminary implications for magma residence times and volatile addition J. Volcanol. Geotherm. Res. 82 1998 97-111
2. 231Pa disequilibria Geochim. Cosmochim. Acta 63 1999 4119-4138
3. Bourdon B.Worner G.Zindler A.U-series evidence for crustal involvement and magma residence times in the petrogenesis of Parinacota volcano, Chile Contrib. Mineral. Petrol. 139 2000 458-469
4. Hawkesworth C.J.Blake S.Evans P.Hughes R.Macdonald R.Thomas L.E.Turner S.P.Zellmer G.Time scales of crystal fractionation in magma chambers - integrating physical, isotopic and geochemical perspectives J. Petrol. 41 2000 991-1006
5. McKenzie D.Constraints on melt generation and transport from U-series activity ratios Chem. Geol. 162 2000 81-94
6. Turner S.P.George R.M.M.Evans P.J.Hawkesworth C.J.Zellmer G.F.Time-scales of magma formation, ascent and storage beneath subduction-zone volcanoes Philos. Trans. R. Soc. London A 358 2000 1443-1464
7. 238U-series systematics of pumice from the November 13, 1985, eruption of Nevado del Ruiz, Colombia Geochim. Cosmochim. Acta 577 1993 1215-1219
8. 232Th-series chronology of phonolite fractionation at Mount Erebus, Antarctica Geochim. Cosmochim. Acta 56 1992 1401-1407
9. 226Ra disequilibria in young Mount St. Helens rocks: time constraint for magma formation and crystallization Earth Planet. Sci. Lett. 107 1991 475-486
10. 226Ra dating of the 1955 east rift eruption Earth Planet. Sci. Lett. 184 2001 703-718
11. Gardner J.E.Carey S.Rutherford M.J.Sigurdsson H.Petrologic diversity in Mount St. Helens dacites during the last 4,000 years: implications for magma mixing Contrib. Mineral. Petrol. 119 1995 224-238
12. Blundy J.Wood B.Prediction of crystal-melt partition coefficients from elastic moduli Nature 372 1994 452-454
13. Wood B.J.Blundy J.D.A predictive model for rare earth element partitioning between clinopyroxene and anhydrous silicate melt Contrib. Mineral. Petrol. 129 1997 166-181
14. D.R. Mullineaux, D.R. Crandell, The eruptive history of Mount St. Helens, in: P.W. Lipman, D.R. Mullineaux (Eds.), The 1980 Eruptions of Mount St. Helens, Washington, USGS Professional Paper 1250, US Government Printing Office, Washington, DC, 1981, pp. 3-15.
15. Pallister J.S.Hoblitt R.P.Crandell D.R.Mullineaux D.R.Mount St. Helens a decade after the 1980 eruptions: magmatic models, chemical cycles, and a revised hazards assessment Bull. Volcanol. 54 1992 126-146
16. Hagstrum J.T.Hoblitt R.P.Gardner C.A.Gray T.E.Holocene geomagnetic secular variation recorded by volcanic deposits at Mount St. Helens, Washington Bull. Volcanol. 63 2002 545-566
17. Layer P.W.Gardner J.E.Excess argon in Mount St. Helens plagioclase as a recorder of magmatic processes Geophys. Res. Lett. 28 2001 4279-4282
18. Cherniak D.J.Ba diffusion in feldspar Geochim. Cosmochim. Acta 66 2002 1641-1650
19. Van Orman J.A.Grove T.L.Shimizu N.Rare earth element diffusion in diopside: Influence of temperature, pressure and ionic radius, and an elastic model for diffusion in silicates Contrib. Mineral. Petrol. 141 2001 687-703
20. K.M. Cooper, Time scales of magma generation, differentiation, and storage: Constraints from Uranium-238-Thorium-230-Radium-226 disequilibria, Ph.D. Thesis, University of California, Los Angeles, 2001.
21. Gill J.B.Morris J.D.Johnson R.W.Timescale for producing the geochemical signature of island arc magmas: U-Th-Po and Be-B systematics in recent Papua New Guinea lavas Geochim. Cosmochim. Acta 57 1993 4269-4283
22. 230Th systematics Science 292 2001 1363-1366
23. Cashman K.Blundy J.Degassing and crystallization of ascending andesite and dacite Philos. Trans. R. Soc. London A 358 2000 1487-1513
24. Cashman K.V.Groundmass crystallization of Mount St. Helens dacite, 1980-1986: a tool for interpreting shallow magmatic processes Contrib. Mineral. Petrol. 109 1992 431-449
25. Geschwind C.H.Rutherford M.J.Crystallization of microlites during magma ascent - the fluid-mechanics of 1980-1986 eruptions at Mount-St-Helens Bull. Volcanol. 57 1995 356-370
26. Watson E.B.Liang Y.A simple model for sector zoning in slowly grown crystals; implications for growth rate and lattice diffusion, with emphasis on accessory minerals in crustal rocks Am. Mineral. 80 1995 1179-1187
27. Watson E.B.Surface enrichment and trace-element uptake during crystal growth Geochim. Cosmochim. Acta 60 1996 5013-5020
28. Rutherford M.J.Hill P.M.Magma ascent rates from amphibole breakdown: an experimental study applied to the 1980-1986 Mount St. Helens eruption J. Geophys. Res. 98 1993 19667-19686
29. Blundy J.D.Sparks R.S.J.Annen C.Brooker R.A.Melnik O.Cashman K.V.Generation, ascent and crystallization of calc-alkaline silicic magmas Geochim. Cosmochim. Acta 66 2002 A83
30. Blundy J.Cashman K.Ascent-driven crystallisation of dacite magma at Mount St Helens, 1980-1986 Contrib. Mineral. Petrol. 140 2001 631-650
31. Kuritani T.Phenocryst crystallization during ascent of alkali basalt magma at Rishiri Volcano, northern Japan J. Volcanol. Geotherm. Res. 88 1999 77-97
32. Charlier B.Zellmer G.Some remarks on U-Th mineral ages from igneous rocks with prolonged crystallization histories Earth Planet. Sci. Lett. 183 2000 457-469
33. 226Ra disequilibrium in young Mt. Shasta andesites and dacites J. Volcanol. Geotherm. Res. 53 1992 227-238
34. 230Th isochron dating Earth Planet. Sci. Lett. 160 1998 49-63
35. Halliday A.N.Fallick A.E.Dickin A.P.Mackenzie A.B.Stephens W.E.Hildreth W.The isotopic and chemical evolution of Mount St. Helens Earth Planet. Sci. Lett. 63 1983 241-256
36. 226Ra radioactive disequilibria in recent lavas and radon degassing: inferences on the magma chamber dynamics at Stromboli and Merapi volcanoes Earth Planet. Sci. Lett. 172 1999 111-126
37. D.R. Crandell, Deposits of pre-1980 pyroclastic flows and lahars from Mount St. Helens Volcano, Washington, US Geological Survey Professional Paper 1444 (1987).
38. Cheng H.Edwards R.L.Hoff J.Gallup C.D.Richards D.A.Asmerom Y.The half-lives of uranium-234 and thorium-230 Chem. Geol. 169 2000 17-33