James H. Wittke

Department of Geology, Northern Arizona University
Flagstaff, Arizona 86011-4099
520-523-9044

Electron Microprobe Laboratory & Electron Microprobe Laboratory
Bilby Research Center, Northern Arizona University
Flagstaff, Arizona 86011-6013
520-523-9565

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Education

Ph. D. Geology - The University of Texas at Austin, Austin, Texas (August 1984). Dissertation: Geochemistry and Isotope Geology of Basalts of the Arizona Transition Zone (Yavapai County) and Their Tectonic Significance. Supervisor: Douglas Smith.

A. B. Geology Cum Laude - Princeton University, Princeton, New Jersey (June 1978).

Professional Societies & Affiliations

American Geophysical Union
Geological Society of America
Sigma Xi
National Association of Geoscience Teachers
Meteoritical Society
Federation of American Scientists
Amnesty International
International Campaign for Tibet

Publications

Articles in Professional Journals

• R. B. Firestone, A. West, J. P. Kennett, L. Becker, T. E. Bunch, Z. S. Revay, P. H. Schultz, T. Belgya, D. J. Kennett, J. M. Erlandson, O. J. Dickenson, A. C. Goodyear, R. S. Harris, G. A. Howard, J. B. Kloosterman, P. Lechler, P. A. Mayewski, J. Montgomery, R. Poreda, T. Darrah, S. S. Que Hee, A. R. Smith, A. Stich, W. Topping, J. H. Wittke, and W. S. Wolbach, 2007, Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling. Proceedings of the National Academy of Science, 10.1073/pnas.0706977104.
• P. H. Schultz, M. Zárate, W. E. Hames, R. S. Harris, T. E. Bunch, C. Koeberl, P. Renne & J. Wittke, 2006, The record of Miocene impacts in the Argentine Pampas. Meteoritics & Planetary Science 41: 749-771.
• P. H. Schultz, M. Zárate, W. Hames, C. Koeberl, T. Bunch, D. Storzer, P. Renne & J. Wittke, 2004, The Quaternary impact record from the Pampas, Argentina: Earth and Planetary Science Letters 219: 221-238.
• T. J. Fagan, G. J. Taylor, K. Keil, T. Hicks, T. E. Bunch, J. H. Wittke, D. Mittlefehldt, R. Clayton, T. Mayeda, O. Eugster & S. Lorenzetti, 2003, Northwest Africa 773: Lunar origin, iron-enrichment trend. Meteoritics and Planetary Science 38:529-554.
• T. J. Fagan, G. J. Taylor, K. Keil, T. E. Bunch, J. H. Wittke, R.L. Korotev, B. L. Jolliff, J. J. Gillis, L.A. Haskin, E. Jarosewich, R.N. Clayton, T. Mayeda, V. A. Fernandes, R. Burgess, G. Turner, O. Eugster & S. Lorenzetti, 2001, Northwest Africa 032: Product of Lunar Volcanism: Meteoritics and Planetary Science 37:371-394.
• H. G. Johnson, D. K. Elliott & J. H. Wittke, 2000, A new actinolepid arthrodire (Class Placodermi) from the Lower Devonian Sevy Dolomite, east-central Nevada: Zoological Journal of the Linnean Society 129:241-266.
• J. H. Wittke, 1997, A journey to Tibet and continental collision: Journal of Geoscience Education 45:363-368.
• J. H. Wittke & R. F. Holm, 1996, The association basanitic nephelinite-feldspar ijolite-nepheline monzosyenite at House Mountain volcano, north-central Arizona: The Canadian Mineralogist 34:221-240.
• J. H. Wittke, W. A. Duffield & C. Jones, 1996, Roof-rock contamination of Taylor Creek Rhyolite, New Mexico, as recorded in hornblende phenocrysts and biotite xenocrysts: American Mineralogist 81:135-140.
• J. H. Wittke & L. E. Mack, 1993, OIB-like mantle source for continental alkaline rocks of the Balcones Province, Texas: Trace-element and isotopic evidence: Journal of Geology 101:333-344.
• P. N. Shive, A. A. Nyblade & J. H. Wittke, 1990, Magnetic properties of some carbonatites from Tanzania, East Africa: Geophysical Journal International 103:103-109.
• J. H. Wittke, D. Smith & J. L. Wooden, 1989, Origin of Sr, Nd and Pb isotope systematics in high-Sr basalts from central Arizona: Contributions to Mineralogy and Petrology 101:57-68.
• J. Suppe & J. H. Wittke, 1977, Abnormal subsurface fluid pressures in relation to stratigraphy and structure in the active fold-and-thrust belt of northwestern Taiwan: Petroleum Geology of Taiwan 14:11-24.

Reports and Other Articles

• D. K. Elliott, R. B. Irmis & J. H. Wittke, 2003, Review of Cladistics: A Practical Primer on CD-ROM, by Peter Skelton, Andrew Smith & Neale Monks: Journal of Vertebrate Paleontology 23:984.
• J. H. Wittke, 2000, Magmatic Processes: in Hancock, P.L. & Skinner, B.J., eds., Oxford Companion to the Earth, Oxford University Press.
• R. F. Holm, W. D. R. Ranney, J. H. Wittke & K. F. Lee, 1998, Miocene volcanism and geomorphology in Verde Valley, and petrology of alkaline and mildly alkaline rocks at House Mountain shield volcano, Sedona, Arizona: in Duebendorfer, E.M., ed., Geologic Excursions in Northern and Central Arizona: Geological Society of America, Rocky Mountain Section, Field Trip Guidebook.
• T. D. Hoisch, L. M. Hanson & J.H. Wittke, 1996, Hornblende barometry of Cordilleran granodiorites, final technical report for U.S.G.S. order number 1434-WR-96-SA-00467, 100 pp.
• R. F. Holm & J.H. Wittke, 1996, Geological map of the summit area of House Mountain, Yavapai County, Arizona: Arizona Geological Survey Open File Report, map & 23 pp.
• J. H. Wittke, 1995, Petrography and major-element geochemistry of sherds and clay from Anasazi sites LA 78838 & LA 81694, and Navajo sites LA 74243 & LA 71781, New Mexico: Internal report for Navajo Nation Archaeology Department, 25 pp.
• J. H. Wittke, 1994, Petrography and major-element geochemistry of sherds and clay from Anasazi sites LA 78861, LA 71838, LA 85174 and LA 71839, and Navajo site LA 86380, New Mexico: Internal report for Navajo Nation Archaeology Department, 12 pp.

Abstracts

• T. E. Bunch,A. J. Irving, J. H. Wittke, D. Rumble, M. Gellissen & H. Palme, 2008, Evidence for Pervasive Metamorphism on the CR Chondrite Parent Body from Highly Equilibrated CR6 Chondrites Northwest Africa 2994 and Northwest Africa 3100. 39^th Lunar and Planetary Science Conference, (Lunar and Planetary Science XXXIX), held March 10-14, 2008 in League City, Texas. LPI Contribution No. 1391., p.1991.
• D. Rumble, A. J. Irving, T. E. Bunch, J. H. Wittke & S. M. Kuehner, 2008, Oxygen Isotopic and Petrological Diversity Among Brachinites NWA 4872, NWA 4874, NWA 4882 and NWA 4969: How Many Ancient Parent Bodies? 39^th Lunar and Planetary Science Conference, (Lunar and Planetary Science XXXIX), held March 10-14, 2008 in League City, Texas. LPI Contribution No. 1391., p.1974,
• T. E. Bunch, A. J. Irving, J. H. Wittke & S. M. Kuehner, 2008, Highly Evolved Basaltic Shergottite Northwest Africa 2800: A Clone of Los Angeles. 39^th Lunar and Planetary Science Conference, (Lunar and Planetary Science XXXIX), held March 10-14, 2008 in League City, Texas. LPI Contribution No. 1391., p.1953.
• J. H. Wittke, T. E. Bunch, A. West & R. S. Harris, 2007, Melt spherules from Peter's Pond, a Carolina Bay, South Carolina. Meteoritics & Planetary Science, Vol. 42, Supplement, Proceedings of 70^th Annual Meeting of the Meteoritical Society, held August 13-17, 2007 in Tucson, Arizona, #5249.
• J. H. Wittke, T. E. Bunch & C. A. Goodrich, 2007, Classification of secondary reduction textures in ureilites. Meteoritics & Planetary Science, Vol. 42, Supplement, Proceedings of 70^th Annual Meeting of the Meteoritical Society, held August 13-17, 2007 in Tucson, Arizona, #5246.
• T. E. Bunch, A. J. Irving, J. H. Wittke, S. M Kuehner, M. Gellissen, H. Palme, D. Rumble, III & D. A. Gregory, 2007, Petrology and bulk composition of CH3 chondrite Northwest Africa 2210. Meteoritics & Planetary Science, Vol. 42, Supplement, Proceedings of 70^th Annual Meeting of the Meteoritical Society, held August 13-17, 2007 in Tucson, Arizona, #5132.
• T. E. Bunch, A. J. Irving, J. H. Wittke, S. M. Kuehner, D. Rumble, 2007, Distinctive Magnesian, Protogranular and Polymict Diogenites from Northwest Africa, Oman and United Arab Emirates. Meteoritics & Planetary Science, Vol. 42, Supplement, Proceedings of 70 th Annual Meeting of the Meteoritical Society, held August 13-17, 2007 in Tucson, Arizona, #5133.
• G. R. Osinski, T. E. Bunch & J. Wittke, 2007, Impact Melt Generation At Meteor Crater, Arizona: Implications For Impacts Into Volatile-Rich Target Rocks. Meteoritics & Planetary Science, Vol. 42, Supplement, Proceedings of 70^thAnnual Meeting of the Meteoritical Society, held August 13-17, 2007 in Tucson, Arizona, #5110.
• T. E. Bunch, A. J. Irving, J. H. Wittke, D. Rumble, A. A. Aaronson, 2007, Northwest Africa 2993: A Coarse-grained Lodran-like Achondrite with Affinities to Winonaites. 38th Lunar and Planetary Science Conference, (Lunar and Planetary Science XXXVIII), held March 12-16, 2007 in League City, Texas. LPI Contribution No. 1338, p.2211
• A. J. Irving, T. E. Bunch, J. H. Wittke, S. M. Kuehner, D. Rumble, III, 2007, Assessment of Multi-Component Mixing, Oxidation, Metamorphism and Partial Melting on the Acapulcoite-Lodranite Parent Body. 38th Lunar and Planetary Science Conference, (Lunar and Planetary Science XXXVIII), held March 12-16, 2007 in League City, Texas. LPI Contribution No. 1338, p.2254.
• S. M. Kuehner,  A. J. Irving, T. E. Bunch & J. H. Wittke, 2006, EL3 Chondrite (not Aubrite) Northwest Africa 2828: An Unusual Paleo-meteorite Occurring as Cobbles in a Terrestrial Conglomerate. American Geophysical Union, Fall Meeting 2006, abstract #P51E-1247.
• G. R. Osinski, T. E. Bunch, J. Wittke, 2006, Proximal ejecta at Meteor Crater, Arizona: Discovery of impact melt-bearing breccia. Abstracts of the 37^th Lunar and Planetary Science Conference, #1005.
• J. H. Wittke, T. E. Bunch, A. J. Irving, M. Farmer and J. Strope, 2006, Northwest Africa 2975: An evolved basaltic shergottite with vesicular glass pockets and trapped melt inclusions. Abstracts of the 37^th Lunar and Planetary Science Conference, #1368.
• T. E. Bunch, J. H. Wittke, R. L. Korotev & A. J. Irving, 2006, Lunar meteorites NWA 2700, NWA 2727 and NWA 2977: Mare Basalt/gabbro breccias with affinities to NWA 773. Abstracts of the 37^th Lunar and Planetary Science Conference, #1375.
• S. M. Kuehner, A. J. Irving, T. E. Bunch, J. H. Wittke, G. M. Hupé & A. C. Hupé, 2006, Coronas and symplectites in plutonic angrite NWA 2999 and implications for Mercury as the angrite parent body. Abstracts of the 37^th Lunar and Planetary Science Conference, #1344.
• A. J. Irving, S. M. Kuehner, T. E. Bunch, J. H. Wittke, D. Rumble, III & G. M. Hupé, 2006, More African Enstatite-rich Meteorites: Aubrite NWA 2828, Zaklodzie-like NWA 4301, NWA 1840 and EL6 Chondrites: Meteoritics & Planetary Science, Vol. 41, Supplement, Proceedings of 69th Annual Meeting of the Meteoritical Society, p. 5264.
• T. E. Bunch, J. H. Wittke & R. L. Korotev, 2006, Petrology and Composition of Lunar Feldspathic Breccias NWA 2995, Dhofar 1180 and Dhofar 1428: Meteoritics & Planetary Science, Vol. 41, Supplement, Proceedings of 69th Annual Meeting of the Meteoritical Society, p. 5254
• S. M. Kuehner, A. J. Irving, T. E. Bunch & J. H. Wittke, 2006, EL3 Chondrite (not Aubrite) Northwest Africa 2828: An Unusual Paleo-meteorite Occurring as Cobbles in a Terrestrial Conglomerate: American Geophysical Union, Fall Meeting 2006, abstract #P51E-1247
• T. E. Bunch, J. H. Wittke, D. Rumble, III, A. J. Irving & B. Reed, 2006, Northwest Africa 2968: A Dunite from 4Vesta: Meteoritics & Planetary Science, Vol. 41, Supplement, Proceedings of 69th Annual Meeting of the Meteoritical Society, p. 5252.
• A. J. Irving, S. M. Kuehner, D. Rumble, III, T. E. Bunch & J. H. Wittke, 2005, Unique angrite NWA 2999: The case for samples from Mercury.
  American Geophysical Union, Fall Meeting 2005, Abstract #P51A-0898.
• T. E. Bunch, D. Rumble, III, J. H. Wittke & A. J. Irving, 2005, Pyroxene-rich Pallasites Zinder and NWA 1911: Not Like the Others. Abstracts of the 68^th Meteoritical Society Meeting, #5219.
• T. E. Bunch, A. J. Irving, J. H. Wittke & S. M. Kuehner, 2005, NWA 2646: A Martian Plagioclase-Olivine Clinopyroxenite Akin to "Lherzolitic Shergottites." Abstracts of the 68^th Meteoritical Society Meeting, #5209.
• D. Rumble, III, A. J. Irving, T. E. Bunch, J. H. Wittke & S. M. Kuehner, 2005, Discrimination of Acapulcoites and Lodranites from Winonaites.  Abstracts of the 68^th Meteoritical Society Meeting, #5138.
• T. E. Bunch, A. J. Irving, T. E. Larson, F. J. Longstaffe, D. Rumble, III & J. H. Wittke, 2005, "Primitive" and Igneous Achondrites Related to the Large and Differentiated CR Parent Body. Abstracts of the 36^th Lunar and Planetary Science Conference, #2308.
• A. J. Irving, T. E. Bunch, J. H. Wittke & S. M. Kuehner, 2005, Olivine-Orthopyroxene-Phyric Shergottites NWA 2626 and DaG 476: The Tharsis Connection. Abstracts of the 36^th Lunar and Planetary Science Conference, #1229.
• A. J. Irving, T. E. Larson, F. J. Longstaffe, D. Rumble, T. E. Bunch, J. H. Wittke & S. M. Kuehner, 2005, A Primitive Achondrite With Oxygen Isotopic Affinities to CV Chondrites: Implications for Differentiation and Size of the CV Parent Body. American Geophysical Union, Fall Meeting 2004, Abstract #P31C-02
• T. E. Bunch, A. J. Irving, J. H. Wittke & S. M. Kuehner, 2004, Two large Moroccan mesosiderites: NWA 1817/1878/1979/2042 and NWA 1827/1879/1882/1951/1982/3055. Abstracts of the 67^th Meteoritical Society Meeting, #5163.
• A. J. Irving, T. E. Bunch, S. M. Kuehner & J. H. Wittke, 2004, Petrology of primitive olivine-orthopyroxene-phyric shergottites NWA 2046 and NWA 1195: Analogies with terrestrial boninites and implications for partial melting of hydrous Martian mantle. Abstracts of the 35^th Lunar and Planetary Science Conference, #1444.
• G. R. Ozinski, T. E. Bunch & J. H. Wittke, 2003, Evidence for shock melting of carbonates from Meteor Crater, Arizona. Abstracts of the 66^th Meteoritical Society Meeting, #5070.
• T. J. Fagan, G. J. Taylor, K. Keil, T. L. Hicks, M. Killgore, T. E. Bunch, J. H. Wittke & D. W. Mittlefehldt, 2002: New Lunar meteorite Northwest Africa 773: A tholeiite from the Moon? American Geophysical Union, Fall Meeting 2002, Abstract #V62B-1403
• T. J. Fagan, K. Keil, G. J. Taylor, T. L. Hicks, M. Killgore, T. E. Bunch, J. H. Wittke, O. Eugster, S. Lorenzetti, D. W. Mittlefehldt, R. N. Clayton & T. Mayeda, 2001, New Lunar Meteorite Northwest Africa 773: Dual Origin by Cumulate Crystallization and Impact Brecciation. Abstracts of the 64^th Meteoritical Society Meeting, #5149.
• K. Spurr, P. R. Geib & J. H. Wittke, 2001, Pots from down the road: Investigating Kayenta Anasazi ceramic production and exchange with electron microprobe analysis. Society for American Archaeology 66^thAnnual Meeting.
• T. J. Fagan, T. E. Bunch, J. H. Wittke, E. Jarosewich, R. N. Clayton, T. Mayeda, O. Eugster, S. Lorenzetti, K. Keil & G. J. Taylor, 2000, Northwest Africa 032, a new lunar mare basalt. Abstracts of the 63^th Meteoritical Society Meeting, #5159.
• H. S. Cunningham, J. H. Wittke & B. Cammack, 2000, Magma mixing and petrogenesis in the Sullivan Buttes Latite, Chino Valley, Arizona: Geological Society of America Abstracts with Programs 32:496.
• K. Spurr, P. R. Geib & J. H. Wittke, 1998, Electron microprobe analysis of volcanic ash temper in the investigation of Kayenta Anasazi ceramic production and exchange: Society for American Archaeology 63^rdAnnual Meeting.
• H. G. Johnson & J. H. Wittke, 1998, Cladistic analysis of Devonian actinolepids: Geological Society of America Abstracts with Programs 30.
• J. S. Kargel, P. Coffin, M. Kraft, J. S. Lewis, C. Moore, D. Roddy, E. M. Shoemaker & J. H. Wittke, 1996, Systematic collection and analysis of meteoritic materials from Meteor Crater, Arizona: Lunar & Planetary Society XXVII:645-646.
• J. S. Kargel, M. D. Kraft, D. J. Roddy, J. H. Wittke & J.S. Lewis, 1995, Impactite melt fragments at Meteor Crater, Arizona: EOS Transactions of the American Geophysical Union 76:F337.
• J. H. Wittke & R. F. Holm, 1994, Phaneritic feldspathoidal rocks from House Mountain volcano, central Arizona: Product of liquid immiscibility? Geological Association of Canada/Mineralogical Association of Canada, Program with Abstracts 19:A120.
• R. F. Holm & J. H. Wittke, 1994, Igneous rock series, volcanic stratigraphy, and structure of House Mountain, an unusual Middle Miocene shield volcano in central Arizona: Geological Society of America, Abstracts with Programs 26:18.
• J. H. Wittke, R. F. Holm & W. D. R. Ranney, 1993, Middle Miocene nepheline-bearing mafic and evolved alkaline igneous rocks at House Mountain, Arizona Transition Zone, north-central Arizona: Geological Society of America, Abstracts with Programs 25:A164.
• S. K. Vetter & J. H. Wittke, 1993, Evolution of mantle sources in the Black Hills region of the central Arizona Transition Zone: Geological Society of America Abstracts with Programs 25:A158.
• C. Jones, J. Wittke, W. Duffield & A. Davis, 1993, Hornblende phenocrysts record a pressure gradient in and contamination of the Taylor Creek Rhyolite magma reservoir: Geological Society of America Abstracts with Programs 25:A58.
• P. N. Shive, J. H. Wittke & A. A. Nyblade, 1989, Magnetic properties of carbonatite: EOS Transactions of the American Geophysical Union 70:315.
• J. H. Wittke & V. E. Barnes, 1988, Multi-component source for Muong Nong-type bediasite 30775-2: Meteoritics 23:311.
• J. H. Wittke, 1988, Role of magma mixing in the petrogenesis of potassic trachybasalts from the Transition Zone, Yavapai County, Arizona: Geological Society of America, Abstracts with Programs 20:A195.
• J. W. Shervais, S. K. Vetter & J. H. Wittke, 1988, Petrologic and geochemical variability of mid-Paleozoic gabbros: The Rock Hill, S.C. and Arrowood, N.C. mafic-ultramafic complexes: Geological Society of America Abstracts with Programs, Southeast Regional Meeting.
• J. H. Wittke, J. W. Shervais & S. K. Vetter, 1988, Petrology and geochemistry of the Dutchmans Creek Gabbro, Columbia, S.C.: Geological Society of America Abstracts with Programs, Southeast Regional Meeting.
• J. N. Rubin, J. G. Price, C. D. Henry, J.H. Wittke & D. W. Koppenaal, 1987, Cryolite rhyolite: Rhyme or reason?: Geological Society of America, Abstracts with Programs 19:177.
• J. H. Wittke, 1987, The significance of fluorine in lamproites from the Transition Zone of the Colorado Plateau, Jerome area, central Arizona: Geological Society of America, Abstracts with Programs 19:894.
• J. H. Wittke, 1986, Strontium isotopic systematics of magmas from the Balcones Igneous Province, Uvalde area, south-central Texas: Geological Society of America, Abstracts with Programs 18:792.
• J. H. Wittke & D. Smith, 1983, Metasomatism of depleted mantle sources of Sr-rich basalts, Central Arizona: Geological Society of America, Abstracts with Programs 15:721.
• J.H. Wittke & D. Smith, 1983, Mantle heterogeneity, evolution and crustal contamination of basalts from the Transition Zone, Yavapai County, Arizona: EOS Transactions of the American Geophysical Union 64:335.