Associate Professor
Professor Green's research interest is the petrogenesis of plutonic and volcanic rocks. His major interest is the quantification of conditions of basalt/andesite genesis within the subducted Juan de Fuca plate/upper mantle and of crystallization, contamination, and magma mixing processes within upper crustal reservoirs associated with High Cascades volcanoes of Oregon, Washington, and southwestern British Columbia. The physiochemical and fluid dynamical conditions involved in these processes are being investigated using integrated field, theoretical, and geochemical/mineralogical studies; this research is being supported by the National Science Foundation. Other research interests involve: 1) petrological and geochronological investigation of peraluminous granites and metallogenesis in the southern Appalachians; and 2) development and application of new thermodynamic techniques to constrain crystallization conditions of both igneous and metamorphic rocks.
Green and Harry, 1996, The influence of subducted plate age on basalt geochemistry in "hot" subduction zones: A case study from the High Cascades and Garibaldi volcanic arcs (AGU meeting, San Francisco pdf file).
Green and Harry, 1997, Correlation of basalt geochemistry with subducted plate age in hot subduction zones: Evidence from the Cascadia subduction system (AGU meeting, San Francisco pdf file.).
Green and Bersch, 1999, A complexly zoned pyroxene megacryst in lamprophyre, Magnet Cove, Arkansas. (GSA meeting, Denver pdf file).
Green and Harry, 2000, Petrologic and geochemical constraints on melt production in hot subduction zones. (AGU meeting, San Francisco; Quicktime movie).
Auvil, Green and Bersch, 2001, Mafic phenocrysts and crystallization of a spessartite dike, Magnet Cove, Arkansas. (Southerastern GSA meeting, Raleigh ; Quicktime movie).
2000, Stowell, H.H., Green, N.L., and Hooper, R.J., Geochemistry and tectonic setting of basaltic volcanism, northern Coast Ranges, SE Alaska. Geological Society of America Special Paper 343 (in press).
1999, Green, N.L., and Harry, D.L., On the relationship between subducted slab age and arc basalt petrogenesis, Cascadia subduction system, North America. Earth and Planetary Science Letters 171: 367-381.
1999, Harry, D.L., and Green, N.L., Slab dehydration and basalt petrogenesis in subduction systems involving very young oceanic lithosphere. Chemical Geology 160: 309-333.
1999, Green, N.L., and Bersch, M.G., A complexly zoned pyroxene megacryst in lamprophyre, Magnet Cove, Arkansas. Geol. Soc. Amer. Absts. with Progs. 31, 165.
1998, Green, N.L., Modern adakitic lavas: Chemical diversity and implications for melt generation. Geological Society of America Abstracts with Programs 30(7), A257.
1997, Green, N.L., and Harry, D.L., Correlation of arc basalt geochemistry with subducted plate age in hot subduction zones: Evidence from the Cascadia subduction system. EOS 78, F825.
1996, Stowell, H.H., Lesher, C.M., Green, N.L., Sha. P., Guthrie, G.M., and Sinha, A.K., Metamorphism and gold mineralization in the Blue Ridge, southernmost Appalachians. Economic Geology, 91: 1115-1144.
1996, Green, N.L., and Harry, D.L., The influence of subducted plate age on basalt geochemistry in "hot" subduction zones: A case study from the High Cascades and Garibaldi volcanic belt. EOS 77: F791.
1995, Green, N.L., Armstrong, R.L. and Muehlenbachs, K., Garibaldi volcanic belt: Segmentation, mafic lava geochemistry and possible influence of hot subduction. Geological Society of America Abstracts with Programs 27(6): A107.
1994, Green, N.L., Mount St. Helens: Potential example of the partial melting of the subducted lithosphere in a volcanic arc: Comment. Geology 22: 188-189.
1994, Green, N.L., Mechanism for middle to upper crustal contamination: Evidence from continental margin magmas. Geology 22: 231-234.
1992, Green, N. L., and Kenyon, P. M., Crustal contamination by disaggregation of partially fused xenolith margins: EOS, v. 73, p. 353.
1990, Lesher, C.M., Stowell, H.H., and Green, N.L., Stable isotope geochemistry of lode gold deposits in the Northern Alabama Piedmont. In: Cook, R.B. (editor), Mineral Resources of the southern Appalachians: Metallic Ore Deposits. Georgia Geologic Survey, Bulletin 117, p.33-49.
1990, Green, N. L., Late Cenozoic volcanism in the Mount Garibaldi and Garibaldi Lake areas, Garibaldi volcanic belt, southwestern British Columbia: Geosciences Canada, 17: 171-174.
1990, Green, N. L., Garibaldi Lake. in: Wood, C.A. and Kienle, J., (eds.), Volcanoes of North America: Cambridge University Press, New York, p. 143-144.
1989, Green, N. L., Geology and petrology of the Mount Garibaldi volcanic field, Garibaldi volcanic belt, southwestern British Columbia, Canada, Continental Magmatism: New Mexico Bureau Mines and Mineral Resources Bullitin 131, p. 114.
1988, Green, N. L., Armstrong, R. L., Harakal, J., Souther, J. G., and Read, P. B., Eruptive history and K-Ar geochronology of the Garibaldi Volcanic Belt, southwestern British Columbia: Geological Society of America Bulletin, v. 100, p. 563-579.
1988, Green, N. L., Basalt-basaltic andesite mixing at Mount Baker volcano, Washington: Journal of Volcanology and Geothermal Research, v. 34, p. 251265.
1987, Green, N. L., and Lesher, C. M., Mineralogy and geochemistry of the Hog Mountain pluton, Northern Alabama Piedmont. in Drummond, M.S., Green, N.L., and Neilson, M.J. (editors), The Granites of Alabama: Alabama Geological Society 24th Annual Field Trip Guidebook, p. 1-12.
1986, Green, N. L., and Usdansky, S. I., Ternaryfeldspar mixing relations and thermobarometry: American Mineralogist, v. 71, p. 1101-1108.
1986, Green, N. L., and Usdansky, S. I., Toward a practical plagioclase-muscovite geothermometer: American Mineralogist, v. 71, p. 1109-1117.
1984, Green, N. L., and Henderson, P., Rare earth element concentrations in Quaternary volcanic rocks from southwestern British Columbia: Canadian Journal of Earth Sciences, v. 21, p. 731-736.
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