Ph.D., M.S. University of Wisconsin, B.S. Beloit College

Teaching Specialties: Metamorphic and Igneous Petrology, Isotope Geochemistry, Teaching Petrology Resources

Research Interests: Metamorphic Petrology, Stable Isotope Geochemistry, Precambrian Crustal Growth and Maturation, Anorthosite Petrogenesis, Cordierite-Gedrite Rocks, Grenville Province of Quebec, Ontario, New York, and New Jersey.

Recent Publications:
(Student co-authors underlined)

Peck WH and Tumpane, KP, 2007, Low carbon isotope ratios in apatite: An unreliable biomarker in igneous and metamorphic rocks, Chemical Geology v, 245, p. 305-314.

Peck, WH, Volkert, RA, Meredith, MT, and Rader, EL, 2006, Calcite-graphite carbon isotope thermometry of the Franklin Marble, New Jersey Highlands: Journal of Geology, v. 114, p. 485-499.

Peck, WH, and Smith, MS, 2005, Cordierite-gedrite rocks from the Central Metasedimentary Belt boundary thrust zone (Grenville Province, Ontario): Mesoproterozoic volcanics with affinities to the Composite Arc Belt: Canadian Journal of Earth Sciences, v. 42, p. 1815-1828.

Peck, WH, DeAngelis, MT, Meredith, MT, Morin, E, 2005, Polymetamorphism of marbles in the Morin terrane (Grenville Province, Quebec): Canadian Journal of Earth Sciences, v. 42, p. 1949-1965.

Peck, WH, and Valley, JW, 2004, Garnet-quartz oxygen isotope thermometry in the southern Adirondack Highlands (Grenville Province, New York): Journal of Metamorphic Geology, v. 22, p. 763-773.

Peck, WH, Valley, JW, Corriveau, L, Davidson, A, McLelland, J, and Farber, DA, 2004, Oxygen-isotope constraints on terrane boundaries and origin of 1.18-1.13 Ga granitoids in the southern Grenville Province, in Tollo, RP, Corriveau, L, McLelland, J, and Bartholomew, MJ, eds., Proterozoic tectonic evolution of the Grenville orogen in North America: Boulder, Colorado, Geological Society of America Memoir 197, p. 163-183.

Burger, HR, Peck, WH, Johnson, KE, Tierney, KA, Poulsen, CJ, Cady, P, Lowell, J, MacFarlane, WA, Sincock, MJ, Archuleta, LL, Pufall, A, and Cox, MJ, 2004, Geology and geochemistry of the Spuhler Peak Metamorphic Suite, in Brady, JB, Burger, HR, Cheney, JT, and Harms, TA, eds., Precambrian geology of the Tobacco Root Mountains, Montana: Boulder, Colorado, Geological Society of America Special Paper 377, p. 47-70.

Peck, WH, Valley, JW, and Graham, CM, 2003, Slow oxygen diffusion rates in igneous zircons from metamorphic rocks: American Mineralogist, v. 88, p. 1003-1014.

Peck, WH, Valley, JW, Wilde, SA, and Graham, CM, 2001, Oxygen isotope ratios and rare earth elements in 3.3 to 4.4 Ga zircons: Ion microprobe evidence for high d¹⁸O continental crust and oceans in the Early Archean, Geochimica et Cosmochimica Acta, v. 65, p. 4215-4229.

Wilde, S, Valley, JW, Peck, WH, and Graham, CM, 2001, Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago: Nature, v. 409, p. 175-178.