Magma flow regimes in sills deduced from Ar isotope systematics of host rocks

Journal of Geophysical Research: Solid Earth

Volumn 106, Issue B3, 2001, Pages 4017-4035

  Wartho, Jo Anne ^a,b   Kelley, Simon P ^a   Blake, Stephen ^a  

^a OPEN UNIVERSITY   (United Kingdom)

^b CURTIN UNIVERSITY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ARGON; ISOTOPIC COMPOSITION; MAGMA; RHEOLOGY; SILL; VISCOSITY;

MULL; SCOTLAND (STRATHCLYDE); UNITED KINGDOM;

EID: 0034963173     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2000jb900327     Document Type: Article

References (60)

1. 39Ar geochronology, Geochim. Cosmochim. Acta, 61, 3227-3255, 1997.
2. Bailey, E. B., C. T. Clough, W. B. Wright, J. E. Richey, and G. V. Wilson, Tertiary and Post-Tertiary Geology of Mull, Loch Aline, and Oban, memoir, Geol. Surv. of Scotland, Edinburgh, 1924.
3. Bott, M. H. P., and D. A. Tantrigoda, Interpretation of the gravity and magnetic-anomalies over the Mull Tertiary Intrusive Complex, N.W. Scotland, J. Geol. Soc. London, 144, 17-28, 1987.
4. Brearley, A. J., An electron optical study of muscovite breakdown in pelitic xenoliths during pyrometamorphism, Mineral. Mag., 50, 385-397, 1986.
5. Brearley, A. J., A natural example of the disequilibrium breakdown of biotite at high temperature: TEM observations and comparison with experimental kinetic data, Mineral. Mag., 51, 93-106, 1987.
6. Bruce, P. M., and H. E. Huppert, Thermal control of basaltic fissure eruptions, Nature, 342, 665-667, 1989.
7. Buntebarth, G., and G. Voll, Quartz grain coarsening by collective crystallization in contact quartzite, in Equilibrium and Kinetics in Contact Metamorphism: The Ballachulish Igneous Complex and its Aureole, edited by G. Voll, J. Töpel, D. R. M. Pattison, and F. Seifert, pp. 251-265, Springer-Verlag, New York, 1990.
8. Campbell, I. H., The difference between oceanic and continental tholeiites: A fluid dynamic explanation, Contrib. Mineral. Petrol., 91, 37-43, 1985.
9. Carslaw, H. S., and J. C. Jaeger, Conduction of Heat in Solids, 2nd ed., Oxford Univ. Press, New York, 1959.
10. Chambers, L. M., and Fitton, J. G., Geochemical transitions in the ancestral Iceland plume: Evidence from the Isle of Mull Tertiary volcano, Scotland, J. Geol. Soc. London, 157, 261-263, 2000.
11. 2], Contrib. Mineral. Petrol., 48, 89-114, 1974.
12. Clemens, J. D., and D. Vielzeuf, Constraints on melting and magma production in the crust, Earth Planet. Sci. Lett., 86, 287-306, 1987.
13. Crank, J., The Mathematics of Diffusion, 414 pp., Oxford Univ. Press, New York, 1975.
14. Dagley, P., A. E. Mussett, and R. R. Skelhorn, Polarity, stratigraphy and duration of the Tertiary igneous activity of Mull, Scotland, J. Geol. Soc. London, 144, 985-996, 1987.
15. Dean, R. B., Reynolds number dependence of skin friction and other bulk flow variables in two-dimensional rectangular duct flow, J. Fluids Eng., 100, 215-223, 1978.
16. Delaney, P. T., Heat transfer during emplacement and cooling of mafic dykes, Geol. Assoc. Can. Spec. Pap. 24, 31-46, 1987.
17. Dewey, J. F., and R. J. Pankhurst, The evolution of the Scottish Caledonides in relation to their isotopic age pattern, Proc. R. Soc. Edinburgh, 68(11), 361-389, 1970.
18. Douce, A. E. P., and J. S. Beard, Dehydration-melting of biotite gneiss and quartz amphibolite from 3-15 kbar, J. Petrol., 36, 707-738, 1995.
19. Durham, W. B., V. V. Mirkovich, and H. C. Heard, Thermal-diffusivity of igneous rocks at elevated pressure and temperature, J. Geophys. Res., 92(B11), 11,615-11,634, 1987.
20. Emeleus, C. H., Tertiary igneous activity, in Geology of Scotland, edited by G. Y. Craig, pp. 455-502, Geol. Soc. of London, London, 1991.
21. 39Ar vacuum heating, Geochim. Cosmochim. Acta, 52, 2457-2465, 1988.
22. 40Ar* diffusion in Fe-rich biotite, Am. Mineral., 81, 940-951, 1996.
23. Hames, W. E., and S. A. Bowring, An empirical evaluation of the argon diffusion geometry in muscovite, Earth Planet. Sci. Lett., 124, 161-167, 1994.
24. Hanson, G. N., and P. W. Gast, Kinetic studies in contact metamorphic zones, Geochim. Cosmochim. Acta, 31, 1119-1153, 1967.
25. 39Ar thermochronology of isotopically zoned micas: Insights from the southwestern USA Proterozoic orogen, Geochim. Cosmochim. Acta, 59, 3205-3220, 1995.
26. 39Ar gradients in micas from a high-temperature-low-pressure metamorphic terrain: Evidence for very slow cooling and implications for the interpretation of age spectra, Geology, 22, 55-58, 1994.
27. Holdsworth, R. E., A. L. Harris, and A. M. Roberts, The stratigraphy, structure and regional significance of the Moine rocks of Mull, Argyllshire, W. Scotland, Geol. J., 22, 83-107, 1987.
28. Holness, M. B., Contact metamorphism and anatexis of Torridonian arkose by minor intrusions of the Rum Igneous Complex, Inner Hebrides, Scotland, Geol. Mag., 136, 527-542, 1999.
29. Huppert, H. E., and R. S. J. Sparks, Cooling and contamination of mafic and ultramafic magmas during ascent through continental crust, Earth Planet. Sci. Lett., 74, 371-386, 1985.
30. Huppert, H. E., and R. S. J. Sparks, The generation of granitic magmas by intrusion of basalt into continental crust, J. Petrol., 29, 599-624, 1988.
31. Jaeger, J. C., Thermal effects of intrusions, Rev. Geophys., 2, 443-465, 1964.
32. Jones, K. A., M. J. Wolfe, and A. K. Galwey, A theoretical consideration of the kinetics of calcite recrystallization produced by two basalt dykes in Co. Antrim, Northern Ireland, Contrib. Mineral. Petrol., 51, 283-296, 1975.
33. 39Ar measurements of loss profiles within individual hornblende grains from the Giants Range Granite, northern Minnesota, U.S.A., Earth Planet. Sci. Lett., 107, 634-648, 1991.
34. 39Ar investigations using the ultra-violet laser probe extraction technique, Geochim. Cosmochim. Acta, 58, 3519-3525, 1994.
35. Kerr, A. C., R. W. Kent, B. A. Thomson, J. K. Seedhouse, and C. H. Donaldson, Geochemical evolution of the Tertiary Mull volcano, western Scotland, J. Petrol., 40, 873-908, 1999.
36. Kille, I. C., R. N. Thompson, M. A. Morrison, and R. F. Thompson, Field evidence for turbulence during flow of basalt magma through conduits from southwest Mull, Geol. Mag., 123, 693-697, 1986.
37. 39Ar investigation of the contact effects of a dyke intrusion, Kapuskasing Structural Zone, Ontario, Contrib. Mineral. Petrol., 105, 87-105, 1990.
38. Lister, J. R., and P. J. Dellar, Solidification of pressure-driven flow in a finite rigid channel with applications to volcanic eruptions, J. Fluid Mech., 323, 267-283, 1996.
39. McClelland Brown, E., Paleomagnetic estimates of temperatures reached in contact metamorphism, Geology, 9, 112-116, 1981.
40. Onstott, T. C., D. Phillips, and L. Pringle-Goodell, Laser microprobe measurement of chlorine and argon zonation in biotite, Chem. Geol., 90, 145-168, 1991.
41. Phillips, D., Argon isotope and halogen chemistry of phlogopite from South African kimberlites: A combined step-heating, laser probe, electron microprobe and TEM study, Chem. Geol., Isot. Geosci. Sect., 87, 71-98, 1991.
42. Pickles, C. S., S. P. Kelley, S. M. Reddy, and J. Wheeler, Determination of high spatial resolution argon isotope variations in metamorphic biotites, Geochim. Cosmochim. Acta, 61, 3809-3833, 1997.
43. Preston, R. J., and B. R. Bell, Cognate gabbroic xenoliths from a tholeiitic subvolcanic sill complex: Implications for fractional crystallisation and crustal contamination processes, Mineral. Mag., 61, 329-349, 1997.
44. Preston, R. J., B. R. Bell, and G. Rogers, The Loch Scridain xenolithic sill complex, Isle of Mull, Scotland: Fractional crystallisation, assimilation, magma-mixing and crustal anatexis in subvolcanic conduits, J. Petrol., 39, 519-550, 1998.
45. 39Ar laser probe study of micas from the Sesia Zone, Italian Alps: Implications for metamorphic and deformation histories, J. Metamorph. Geol., 14, 493-508, 1996.
46. 39Ar dating, Chem. Geol., 145, 117-152, 1998.
47. Rex, D. C., and P. G. Guise, Evaluation of argon standards with special emphasis on time scale measurements, in Phanerozoic Time Scale, edited by G. S. Odin, pp. 21-23, Bull. Liais. Inform. IUGS Subcom. Geochronol. 13, Offset, Paris, 1995.
48. 39Ar laser-probe dating by step heating and spot fusion of phengites from the Dora Maira of the western Alps, Italy, Geology, 18, 741-744, 1990.
49. Seipold, U., and E. Huenges, Thermal properties of gneisses and amphibolites - High pressure and high temperature investigations of KTB-rock samples, Tectonophysics, 291, 173-178, 1998.
50. Self, S., T. Thordarson, and L. Keszthelyi, Emplacement of continental flood basalt lava flows, in Large Igneous Provinces, Continental, Oceanic and Planetary Flood Volcanism, Geophys. Monogr. Ser., vol. 100, edited by J. J. Mahoney and M. F. Coffin, pp. 381-410, AGU, Washington, D. C., 1997.
51. Shaw, H. R., Viscosities of magmatic silicate liquids: An empirical method of prediction, Am. J. Sci., 272, 870-893, 1972.
52. Smith, B., A. Bonneville, and R. Hamzaoui, Flow duration of a dike constrained by palaeomagnetic data, Geophys. J. Int., 106, 621-634, 1991.
53. Thompson, R. N., M. A. Morrison, A. P. Dickin, I. L. Gibson, and R. S. Harmon, Two contrasting styles of interaction between basic magmas and continental crust in the British Tertiary Igneous Province, J. Geophys. Res., 91(B6), 5985-5997, 1986.
54. Thordarson, Th., and S. Self, The Laki (Skaftár Fires) and Grímsvötn eruptions in 1783-1785, Bull. Volcanol., 55, 233-263, 1993.
55. Vielzeuf, D., and J. R. Holloway, Experimental determination of the fluid-absent melting relations in the pelitic system: Consequences for crustal differentiation, Contrib. Mineral. Petrol., 98, 257-276, 1988.
56. Villa, I. M., Isotopic closure, Terra Nova, 10, 42-47, 1998.
57. Walker, G. P. L., Basaltic-volcano systems, in Magmatic Processes and Plate Tectonics, edited by H. M. Prichard et al., Geol. Soc. Spec. Publ., 76, 3-38, 1993.
58. Wartho, J.-A., S. P. Kelley, R. A. Brooker, M. R. Carroll, I. M. Villa, and M. R. Lee, Direct measurement of Ar diffusion profiles in a gem-quality Madagascar K-feldspar using the Ultra-Violet Laser Ablation Micro-Probe (UVLAMP), Earth Planet. Sci. Lett., 170, 141-153, 1999.
59. Westcott, M. R., Loss of argon from biotite in a thermal metamorphism, Nature, 210, 83-84, 1966.
60. Wylie, J. J., K. R. Helfrich, B. Dade, J. R. Lister, and J. F. Salzig, Flow localization in fissure eruptions, Bull. Volcanol., 60, 432-440, 1999.