Mingled silicic lavas in the Mesoproterozoic Gawler Range Volcanics, South Australia

Journal of Volcanology and Geothermal Research

Volumn 96, Issue 1-2, 2000, Pages 1-13

  Morrow, Nicole ^a   McPhie, Jocelyn ^a  

^a UNIVERSITY OF TASMANIA   (Australia)

Author keywords

Compositional flow banding; Gawler Range Volcanics; Magma chamber; Mesoproterozoic; Mingling; Silicic lavas

Indexed keywords

IGNEOUS GEOCHEMISTRY; MAGMA CHEMISTRY; MIXING; PROTEROZOIC; RHYOLITE; SILICATE MELT;

AUSTRALIA;

EID: 0034096165     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0377-0273(99)00143-2     Document Type: Article

References (45)

1. Anderson A.T. Magma mixing; petrological process and volcanological tool. J. Volcanol. Geotherm. Res. 1:1976;3-33.
2. Bacon C.R. Magmatic inclusions in silicic and intermediate volcanic rocks. J. Geophys. Res. 91:1986;6091-6112.
3. Blake S. Eruptions from zoned magma chambers. J. Geol. Soc. (London). 138:1981;281-287.
4. Blake S., Campbell I.H. The dynamics of magma-mixing during flow in volcanic conduits. Contrib. Mineral. Petrol. 94:1986;72-81.
5. Blake S., Fink J.H. The dynamics of withdrawal from a density stratified dyke. Earth Planet. Sci. Lett. 85:1987;516-524.
6. Blake D.H., Elwell R.W.D., Gibson I.L., Skelhorn R.R., Walker G.P.L. Some relationships resulting from the intimate association of acid and basic magmas. Q. J. Geol. Soc. (London). 121:1965;31-49.
7. Blake S., Wilson C.J.N., Smith I.E.M., Walker G.P.L. Petrology and dynamics of the Waimihia mixed magma eruption, Taupo Volcano, New Zealand. J. Geol. Soc. (London). 149:1992;193-207.
8. Blissett A.H. Rock units in the Gawler Range Volcanics, South Australia. Geol. Surv. South Aust., Q. Geol. Notes. 55:1975;2-14.
9. Blissett A.H. Subdivision of the Gawler Range Volcanics in the Gawler Ranges. Geol. Surv. South Aust., Q. Geol. Notes. 97:1986;2-11.
10. Blissett, A.H. (compiler), 1987. Geological setting of the Gawler Range Volcanics, Geological Atlas Special Series, 1:500,000. South Australia Department of Mines and Energy.
11. Blissett A.H., Parker A.J., Crooks A.F. YARDEA, South Australia. 1:250,000 geological series, Sheet SI/53-3. Geol. Surv. South Aust. 1988.
12. Blissett, A.H., Parker, A.J., Schleffler, J., 1989. Gawler Range Excursion , October 7th-9th, 1989. Regional Geology of Northern Eyre Peninsula and the Gawler Ranges. South Australia Department of Mines and Energy, pp. 1-14.
13. Blissett A.H., Creaser R.A., Daly S.J., Flint R.B., Parker A.J. Gawler Range Volcanics. Drexel J.F., Preiss W.V., Parker A.J. The Geology of South Australia. Vo. 1. The Precambrian. Geol. Surv. South Aust., Bull. 54:1993;107-131.
14. Branch C.D. Evolution of the Middle Proterozoic Chandabooka Caldera, Gawler Range acid volcano-plutonic province, South Australia. Geol. Soc. Aust. J. 25:1978;199-216.
15. Creaser R.A. Neodymium isotopic constraints for the origin of Mesoproterozoic silicic magmatism, Gawler Craton, South Australia. Can J. Earth Sci. 32:1995;469-471.
16. Creaser R.A., Cooper J.A. U-Pb geochronology of Middle Proterozoic silicic magmatism surrounding the Olympic Dam Cu-U-Au-Ag and Moonta Cu-Au-Ag deposits, South Australia. Econ. Geol. 88:1993;186-197.
17. Creaser R.A., White A.J.R. Yardea Dacite - large-volume, high-temperature silicic volcanism from the Middle Proterozoic of South Australia. Geology. 19:1991;48-51.
18. Daly, S., 1985. Tarcoola 1:250,000 Geology Map SH 53-10. South Australian Department of Mines and Energy.
19. Daly S.J., Fanning C.M., Fairclough M.C. Tectonic evolution and exploration potential of the Gawler Craton, South Australia. AGSO J. Aust. Geol. Geophys. 17(3):1998;145-168.
20. Duffield W.A. Eruptive fountains of silicic magma and their possible effects on the tin content of fountain-fed rhyolites, Taylor Creek Rhyolite, New Mexico. Stein H.J., Hannah J.L. Ore-bearing Granite Systems: Petrogenesis and Mineralising Processes. Geol. Soc. Am. Spec. Pap. 246:1990;251-261.
21. Eichelberger J.C. Andesitic volcanism and crustal evolution. Nature. 275(5675):1978;21-27.
22. Ewart A. A review of the mineralogy and chemistry of Tertiary-Recent dacitic, latitic, rhyolitic, and related salic volcanic rocks. Barker F. Trondhjemites, Dacites, and Related Rocks. 1979;13-121 Elsevier, Amsterdam.
23. Fanning C.M., Blissett R.B., Parker A.J., Ludwig K.R., Blissett A.H. Refined Proterozoic evolution of the Gawler Craton, South Australia, through U-Pb geochronology. Precambrian Res. 40/41:1988;363-386.
24. Fink J.H. Geometry of silicic dykes beneath the Inyo Domes, California. J. Geophys. Res. 90:1985;11127-11133.
25. Freundt A., Schmincke H.-U. Mixing of rhyolite, trachyte and basalt magma erupted from a vertically and laterally zoned reservoir, composite flow P1, Gran Canaria. Contrib. Mineral. Petrol. 112:1992;1-19.
26. Garner A., McPhie J. Partially melted lithic megablocks in the Yardea Dacite, Gawler Range Volcanics, Australia: implications for eruption and emplacement mechanisms. Bull. Volcanol. 61:1999;396-410.
27. Gibson R.G., Naney M.T. Textural development of mixed, finely porphyritic silicic volcanic rocks, Inyo Domes, eastern California. J. Geophys. Res. 97:1992;4541-4559.
28. Giles, C.W., 1980. A study of Precambrian silicic volcanism in southern Australia. PhD thesis (unpublished), University of Adelaide, 464 pp.
29. Giles C.W. Petrogenesis of the Proterozoic Gawler Range Volcanics, South Australia. Precambrian Res. 40/41:1988;407-427.
30. Henry C.D., Wolff J.A. Distinguishing strongly rheomorphic tuffs from extensive silicic lavas. Bull. Volcanol. 54:1992;171-186.
31. Kamenetsky, V., Morrow, N., McPhie, J., in press. Origin of high-Si dacite from rhyolitic melt: evidence from melt inclusions in mingled lavas of the 1.6 Ga Gawler Range Volcanics, South Australia. Mineral. Petrol.
32. Koyaguchi T. Magma mixing in a conduit. J. Volcanol. Geotherm. Res. 25:1985;365-369.
33. Koyaguchi T., Blake S. Origin of mafic enclaves: constraints on the magma mixing model from fluid dynamic experiments. Didier J., Barbarin B. Enclaves and Granite Petrology. 1991;415-429 Elsevier, Amsterdam.
34. 2O magmatic systems. EOS, Trans. Am. Geophys. Union. 75(44):1994;751.
35. Manley C.R. Physical volcanology of a voluminous rhyolite lava flow: the Badlands lava, Owyhee Plateau, southwestern Idaho. J. Volcanol. Geotherm. Res. 71:1996;129-153.
36. Morrow, N.A., 1998. Heterogeneous silicic lavas in the Gawler Range Volcanics, South Australia. Honours thesis (unpublished), University of Tasmania, 88 pp.
37. Sampson D.E. Textural heterogeneities and vent area structures in the 600-year-old lavas of the Inyo volcanic chain, eastern California. Fink J.H. The Emplacement of Silicic Domes and Lava Flows. Geol. Soc. Am. Spec. Pap. 212:1987;89-101.
38. Seaman S.J., Scherer E.E., Standish J.J. Multistage magma mingling and the origin of flow banding in the Aliso lava dome, Tumacacori Mountains, southern Arizona. J. Geophys. Res. 100:1995;8381-8398.
39. Sparks S.R.J., Sigurdsson H., Wilson L. Magma mixing: a mechanism for triggering acid explosive eruptions. Nature. 267:1977;315-318.
40. Stewart, K.P., 1994. High temperature silicic volcanism and the role of mantle magmas in Proterozoic crustal growth: the Gawler Range Volcanic Province. Ph.D. thesis (unpublished), University of Adelaide, 220 pp.
41. Vogel T.A., Younker L.W., Wilband J.T., Kampmueller E. Magma mixing: the Marsco suite, Isle of Skye, Scotland. Contrib. Mineral. Petrol. 87:1984;231-241.
42. Vogel T.A., Younker L.W., Schuraytz B.C. Constraints on magma ascent, emplacement, and eruption; geochemical and mineralogical data from drill-core samples at Obsidian Dome, Inyo Chain, California. Geology. 15:1987;405-408.
43. Vogel T.A., Eichelberger J.C., Younker L.W., Schuraytz B.C., Horkowitz J.P., Stockman H.W., Westrich H.R. Petrology and emplacement dynamics of intrusive and extrusive rhyolites of Obsidian Dome, Inyo Craters volcanic chain, eastern California. J. Geophys. Res. 94:1989;17937-17956.
44. Walker G.P.L., Skelhorn R.R. Some associations of acid and basic igneous rocks. Earth-Sci. Rev. 2:1966;93-109.
45. Wolf K.J., Eichelberger J.C. Syneruptive mixing, degassing, and crystallization at Redoubt Volcano, eruption of December, 1989 to May 1990. J. Volcanol. Geotherm. Res. 75:1997;19-38.