51ºÚÁÏ

William Peck

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wpeck

William Peck

Professor of Earth and Environmental Geosciences

Department/Office Information

Earth and Environmental Geoscience
422 Ho Science Center

William Peck teaches mineralogy and petrology, and manages 51ºÚÁÏ's Stable Isotope Laboratory. His research program focuses on the magmatism, metamorphism, and ore deposits of the Grenville Province, a billion-year-old exposure of mid-crustal rocks that stretches from Labrador to the Adirondack Mountains of New York. 

BS, Beloit College
MS, University of Wisconsin–Madison
PhD, University of Wisconsin–Madison

  • Petrology, tectonics, magmatism, and ore deposits in the Adirondacks and Grenville Province
  • Anorthosite petrogenesis
  • Petrology of zircon and metamorphic zircon growth 
  • Origin of cordierite-gedrite rocks
  • Conditions of the early Earth
  • Carbon isotopes in minerals with trace carbon (apatite, cordierite, beryl)
  • Carbon isotopes in maple, birch, and walnut syrup
  • Weathering of wollastonite and carbon sequestration
  • Associate editor, American Mineralogist  (2018-present)
  • Associate editor, Canadian Journal of Earth Sciences (2011-present)
  • Associate editor, Geological Society of America Bulletin (2008-2010)
  • Editorial board, Geology, (2005-2007)

(*indicates student author) 

  • Peck, WH, Regan SP, Blum TB, Valley, JW, and *Timothy, SC, 2025, Age of skarn formation and meteoric water infiltration in the Willsboro-Lewis wollastonite district (Adirondack Highlands, New York), Journal of Petrology, v. 66(4), egaf024
  • Peck, WH, and *Lin, HY, 2025, Provenance and depositional age of metasedimentary rocks in the Frontenac terrane (Grenville Province, Ontario), Canadian Journal of Earth Sciences, v. 62: 211–224.
  • Keller, DS, Lee, CA Peck WH, Monteleone, BD, Martin, C, Vervoort, JD, and Bolge,  L, 2024, Mafic slab melt contributions to Proterozoic massif-type anorthosites, Science Advances, v. 10(33), eadn3976.Peck WH, Keller D, *Arnold VS, *McDonald F, *Kuentz LC, and *Nugent PM., 2023, Passive carbon sequestration associated with wollastonite mining, Adirondack Mountains, New York. American Mineralogist, v. 108, p. 1997-2003.
  • Peck, WH, *Rathkopf, CA, Mathur, RD, Matt, PD, 2022, Stable isotope (C, O, S, and Zn) geochemistry of marble-hosted exhalative zinc deposits in the Central Metasedimentary Belt, Grenville Province, Canada: Insights into ore deposition and tectonic setting: Ore Geology Reviews, v. 148, 105057. https://doi.org/10.1016/j.oregeorev.2022.105057
  • Peck, WH, and *Quinan MP, 2022, New age constraints on magmatism and metamorphism in the Morin terrane (Grenville Province, Quebec): Canadian Journal of Earth Sciences, v. 59, p. 232–242.
  • Peck, WH, and *Eppich, GR, 2019, The Kilmar magnesite deposits: Evaporitic metasediments in the Grenville supergroup, Morin terrane, Quebec: Minerals, v. 9, 554.
  • Peck, WH, *Quinan, MP, and Selleck, BW, 2019, Detrital zircon constraints on Grenville sedimentation at the margin of Laurentia: Precambrian Research, v. 331, 105342.
  • Peck, WH, Selleck, BW, Regan, SP, *Howard, G, and *Kozel, OO, 2018, In-situ dating of metamorphism in Adirondack anorthosite: American Mineralogist, v. 103, p. 1523-1529.
  • Darling, RS, and Peck, WH, 2016, Metamorphic conditions of Adirondack rocks: Adirondack Journal of Environmental Studies, v. 21, p. 61-79.
  • Peck, WH, 2016, Episodes in geologic investigations of the Adirondacks: Adirondack Journal of Environmental Studies, v. 21, p. 41-60.
  • 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.