Viscous fingering during replenishment of felsic magma chambers by continuous inputs of mafic magmas: Field evidence and fluid-mechanics experiments

Geology

Volumn 33, Issue 1, 2005, Pages 5-8

  Perugini, D ^a   Poli, G ^a  

^a UNIVERSITY OF PERUGIA   (Italy)

Author keywords

Fractal dimension; Magma interaction; Replenishment; Viscosity ratio; Viscous fingering

Indexed keywords

FELSIC MAGMA; FRACTAL DIMENSIONS; MAGMATIC SYSTEMS; VISCOUS FINGERING;

FRACTALS; GLYCEROL; HEATING; MORPHOLOGY; SOLUTIONS; VISCOSITY; VOLCANOES; WATER;

FLUID MECHANICS;

FELSIC ROCK; FINGERING; FLUID MECHANICS; IGNEOUS GEOCHEMISTRY; MAGMA CHEMISTRY; RECHARGE; VISCOSITY;

EID: 12844269295     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/G21075.1     Document Type: Article

References (19)

1. Allen, E., and Boger, D.V., 1988, The influence of rheological properties on mobility control in polymer-augmented waterflooding, in Proceedings of Society of Petroleum Engineers Technical Conference, 63rd, Society of Petroleum Engineers, Paper 18097, p. 449.
2. Bons, P.D., Arnold, J., Elburg, M.A., Kalda, J., Soesoo, A., and van Milligen, B.P., 2004, Melt extraction and accumulation from partially molten rocks: Lithos, v. 78, p. 25-42.
3. Di Vincenzo, G., and Rocchi, S., 1999, Origin and interaction of mafic-felsic magmas in an evolving late orogenic setting: The early Paleozoic Terra Nova Intrusive Complex, Antarctica: Contributions to Mineralogy and Petrology, v. 137, p. 15-35.
4. Dingwell, D.B., Hess, K.-U., and Romano, C., 1998, Viscosity data for hydrous peraluminous granitic melts: Comparison with a metaluminous model: American Mineralogist, v. 83, p. 236-239.
5. Elburg, M.A., 1996, Evidence of equilibration between microgranitoid enclaves and host granodiorite, Warburton Granodiorite, Lachlan Fold Belt, Australia: Lithos, v. 38, p. 1-22.
6. Folch, A., and Marti, J., 1998, The generation of overpressure in felsic magma chambers by replenishment: Earth and Planetary Science Letters, v. 163, p. 301-314.
7. Hess, K.-U., and Dingwell, D.B., 1996, Viscosities of hydrous leucogranitic melts: A non-Arrhenian model: American Mineralogist, v. 81, p. 1297-1300.
8. Jellinek, M.A., and Kerr, R.C., 1999, Mixing and compositional layering produced by natural convection: Part 2. Applications to the differentiation of basaltic and silicic magma chambers, and komatiite lava flows: Journal of Geophysical Research, v. 104, p. 7203-7218.
9. Mandelbrot, B.B., 1982, The fractal geometry of nature: New York, W.H. Freeman, 468 p.
10. Nittmann, J., Daccord, G., and Stanley, H.E., 1985, Fractal growth of viscous fingers: Quantitative characterization of a fluid instability phenomenon: Nature, v. 314, p. 141-145.
11. Perugini, D., Poli, G., and Mazzuoli, R., 2003, Chaotic advection, fractals and diffusion during mixing of magmas: Evidence from lava flows: Journal of Volcanology and Geothermal Research, v. 124, p. 255-279.
12. Perugini, D., Ventura, G., Petrelli, M., and Poli, G., 2004, Kinematic significance of morphological structures generated by mixing of magmas: A case study from Salina Island (southern Italy): Earth and Planetary Science Letters, v. 222, p. 1051-1066.
13. Poli G., Tommasini, S., and Halliday, A.N., 1996, Trace elements and isotopic exchange during acid-basic magma interaction processes: Royal Society of Edinburgh Transactions, Earth Science, v. 87, p. 225-232.
14. Saffman, P.G., and Taylor, G., 1958, The penetration of a fluid into a medium of Hele-Shaw cell containing a more viscous liquid: Royal Society [London] Proceedings, ser. A, p. 312-329.
15. Snyder, D., and Tait, S., 1995, Replenishment of magma chambers: Comparison of fluid mechanics experiments with field relations: Contributions to Mineralogy and Petrology, v. 122, p. 230-240.
16. Snyder, D., and Tait, S.R., 1998, The imprint of basalt on the geochemistry of silicic magmas: Earth and Planetary Science Letters, v. 160, p. 433-445.
17. Sparks, R.S.J., and Marshall, L.A., 1986, Thermal and mechanical constraints on mixing between mafic and silicic magmas: Journal of Volcanology and Geothermal Research, v. 29, p. 99-124.
18. Wiebe, R.A., 1994, Silicic magma chambers as traps for basaltic magmas: The Cadillac Mountain intrusive complex, Mount Desert Island, Maine: Journal of Geology, v. 102, p. 423-437.
19. Wiebe, R.A., Frey, H., and Hawkins, D.P., 2001, Basaltic pillow mounds in the Vinalhaven intrusion, Maine: Journal of Volcanology and Geothermal Research, v. 107, p. 171-184.