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Research Faculty

Mortlock, Rick

Position: Research Faculty
Office: 233 Wright Geological Laboratory
Phone: (732) 445-3507
Web Page:


  • University of Pennsylvania.  B.A. - Natural Science
  • Florida State University, M.S. - Chemical Oceanography

Research Interests

  • Late Pleistocene Sea Level, Radiocarbon Calibration, Paleoclimatology


  • Stable Isotope Mass Spectrometry Laboratory

Professional Memberships

  • American Geophysical Union

Meetings / Abstracts

  • Abdul, N. A., Mortlock, R. A., Wright, J. D., Fairbanks, R. G., Teneva, L. T., (2011), Atlantic Warm Pool Trigger for the Younger Dryas Climate Event, Abstract PP43A-1797 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
  • Mortlock, R. A., Abdul, N. A., Wright, J. D., Fairbanks, R. G., Cao, L., (2011), A Coral Based Reconstruction of Atmospheric Δ14C through the Mystery Interval (17.5 to 14.5 kyr BP), Abstract PP43A-1799 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
  • Abdul, N. A., Mortlock, R. A., Wright, J. D., Fairbanks, R. G., (2010), Detailed Tropical Sea Level Record Spanning the Younger Dryas Chronozone, Abstract PP21A-1671 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.
  • Mortlock, R.A., Fairbanks, R.F., Bloom, A., Cao, L., Wright, J.D., Abdul, N., Mey, J., Ellins, K., Teneva, L., Brainard, C. (2010). Sea Level from 1,000 to 60,000 years BP: the fossil coral record from Barbados and Araki Island.  Abstract, Invited Talk 2010 ICP Meeting, La Jolla, CA., Aug 30- Sept. 4.

Godfrey, Linda

Position: Assistant Research Professor
Office: Wright Geological Laboratory


  • 1986 B.Sc. Chemistry, St Andrews University, Scotland
  • 1990 Ph.D. Marine Geochemistry, Cambridge University, England

Research Interests

  • Evolution of Li-rich brines
  • Paleoclimate and groundwater studies in Northern Chile
  • Boron isotopes in spring deposits to elucidate the carbon cycle during their formation
  • Identifying water-rock reactions through trace metals and isotope systems in natural waters
  • Early Earth nitrogen cycle


  • Godfrey, L.V., Mills, R., Elderfield, H. and Gurvich, E. (1994) Lead behavior at the TAG hydrothermal vent field, 26N, Mid-Atlantic Ridge. Mar. Chem., 46, 237-254.
  • Godfrey, L.V., White, W.M. and Salters, V.J.M. (1996) Dissolved zirconium and hafnium distributions across a shelf break in the NE Atlantic. Geochim, Cosmochim, Acta, 60, 3995-4006.
  • Godfrey, L.V., Lee, D.-C., Sangrey, W.F., Halliday, A.N., Hein, J.R., Salters, V.J.M. and White, W.M. (1997) The Hf isotopic composition of ferromanganese nodules and crusts and hydrothermal manganese deposits: Implications for seawater Hf. Earth Planet. Sci. Lett., 51, 91-105.
  • Christensen, J.N., Halliday, A.N., Godfrey, L.V., Hein, J.R. and Rea, D.K. (1997) Climate and ocean dynamics and the lead isotope records in Pacific ferromanganese crusts. Science, 277, 913-918.
  • Godfrey, L.V., Lowenstein, T.K., Li, J., Luo, S., Ku, T.-L., Alonso, R.N. and Jordan, T.E. (1997) Continuous late Pleistocene paleoclimate record from a salt core, Salar de Hombre Muerto, Argentina. VIII Congresso Geologico Chileno, Antofagasta, Chile.
  • Bobst, A.L., Lowenstein, T.K., Jordan, T.E., Godfrey, L.V., Hein, M.C., Ku, T.-L. and Luo, S.A. (2001) 106 ka paleoclimate record from the Salar de Atacama, Northern Chile. Palaeogeog., Palaeoclim., Palaeoecol., 173, 21-42.
  • Godfrey, L.V. (2002) Temporal changes in the lead isotopic composition of red clays: Comparison with ferromanganese crust records. Chem. Geol., 185, 241-254.
  • Jordan, T.E., Hein, M.C., Lowenstein, T.K., Munoz, N., Yu, J. and Godfrey, L.V. (2002) Active faulting and folding without topographic expression in an evaporite basin, Chile. Geol. Soc. Am. Bull., 114, 1406-1421.
  • Godfrey, L.V., Jordan, T.E., Lowenstein, T.K. and Alonso, R.N. (2003) Stable isotope constraints on the transport of water to the Andes between 22º and 26ºS during the last glacial cycle. Palaeogeog., Palaeoclim., Palaeoecol., 194, 299-317.
  • Falkowski, P.G., Godfrey, L.V., (2008), Electrons, life and evolution of Earth’s oxygen cycle. Phil. Trans. R. Soc. B, 363, 2705-2716, doi:10.1098/rstb.2008.0054.
  • Godfrey, L.V., M.P. Field, Sherrell, R.M., (2008), The estuarine distributions of Zr, Hf, and Ag in the Hudson River, and the implications for their continental and anthropogenic sources to seawater. Geochem. Geophys. Geosyst., 9 (12) doi:10.1029/2008GC002123.
  • Godfrey, L.V., Falkowski, P.G., (2009), The nitrogen cycle in the Late Archean Ocean., Nature Geosciences, doi:10.1038/NGE0633.
  • Godfrey, L.V., Zimmermann, B., Lee, D.-C., King, R.L., Vervoort, R.M., Sherrell, R.M., Halliday, A.N., (2009) Hafnium isotope variations in NE Atlantic seawater., Geochem. Geophys. Geosyst., Q08015, doi:10.1029/2009GC002508.
  • Kopp, R.E., Schumann, D., Raub, T.D., Powars, D.S., Godfrey, L.V., Swanson-Hysell, N.L., Maloof, A.C., Vali, H.,(2009), An Appalachian Amazon? Magnetiofossil evidence for the development of a tropical river-like system in the mid-Atlantic United States during the Paleocene-Eocene thermal maximum. Paleoceanography, 24, PA4211, doi:10.1029/2009PA001783.
  • Godfrey, L.V., Glass, J.B., (2011), The geochemical record of the ancient nitrogen cycle, nitrogen isotopes and metal co-factors. Methods in Enzymology, 486, 483-506.
  • Houston, J., Butcher, A., Ehren, P., Evans, K., Godfrey, L., (2011), The evaluation of brine prospects and the requirement for modification to filing standards. Economic Geology, 106, 1225-1239.
  • Aubry, M.-P., Rodriguez, O., Bord, D., Godfrey, L., Schmitz, B. and Knox, W.O.B. (2012) The First Radiation of the Fasciculiths: Morphologic adaptations of the coccolithophores to oligotrophy. Austrian J. Earth Sci., 105, in press.
  • Godfrey, L.V., Poulton, S., Fralick, P., Bebout, G.E., (2013) Stability of the nitrogen cycle during development of sulfidic water in the redox-stratified late Paleoproterozoic Ocean. Geology, 41, 655-658.
  • Godfrey, L.V., Chan, L.-H., Alonso, R.N., Lowenstein, T.K., McDonough, W.F., Houston, J., Li, J., Bobst, A., Jordan, T.E., (2013) The role of climate in the accumulation of lithium-rich brine in the Central Andes, Applied Geochemistry, 38, 92-102.
  • deWet, C., Godfrey, L., and deWet, A., (2015) Sedimentology and stable isotopes from a lacustrine-to-palustrine limestone deposited in a hyperarid setting, climate and tectonic factors: Miocene-Pliocene Opache Formation, Atacama Desert, Chile. Palaeogeog., Palaeoclim., Palaeoecol., 426, 46-67.
  • Maron, M., Muttoni, G., Bertinelli, A., Katz, M.E., Godfrey, L., Zaffani, M., and Rigo, M., (2015) Magnetostratigraphy of the Pignola-Abriola section: new constraints for the Norian/Rhaetian boundary. Geological Society of America Bulletin, doi: 10.1130/B31106.1.
  • Rigo, M., Bertinelli, A., Concheri, G., Gattolin, G., Godfrey, L., plus seven additional authors, (2015) The Pignola-Abriola section (southern Apennines, Italy): a new GSSP candidate for the base of the Rhaetian Stage, Lethia, 49, 287-306.
  • Jordan, T.E., Herrera, C., Kirk-Lawlor, N., Godfrey, L.V., (2015) Architecture of the Aquifers of the Calama Basin, Loa Catchment Basin, North Chile, Geosphere, 11, 1438-1474.
  • Sáez, A., Godfrey, L.V., Herrera, C., Chong, G., Pueyo, J.J., (2016) Timing of wet episodes in Atacama Desert over the last 15 ka. The Groundwater Discharge Deposits (GWD) from Domeyko Range at 25°S. Quaternary Science Reviews, 145, 2016, 82-93.

Browning, James

Position: Assistant Research Professor
Office: 243C Wright Geological Laboratory
Phone: (732) 445-2044


  • 1996 Ph.D., Rutgers, The State University of New Jersey, New Brunswick, NJ; Thesis: Eocene Sequences and Benthic Foraminiferal Biofacies on the New Jersey Coastal Plain: Implications for Global Sea-Level Change - K.G. Miller, advisor.
  • 1983 M.S. University of Southern California, Los Angeles, CA; Thesis: Paleoecology and Paleoenvironments of the Jalama Formation (Upper Cretaceous), Western Santa Ynez Mountains, California - D.J. Bottjer, advisor.
  • 1980 B.A., Ohio Wesleyan University, Delaware, Ohio.


  • Undergraduate: Planet Earth; Historical Geology
  • Gradute: Facies Models

Research Interests

  • Sequence stratigraphy of the New Jersey Coastal Plain
  • History of sea level
  • Benthic foraminiferal biofacies on the Atlantic Margin 


  • Browning, J.V., Miller, K.G., Sugarman, P.J., Barron, J., McCarthy, F.M.G., Kulhanek, D.K., Katz, M.E., and Feigenson, M.D., 2013, Chronology of Eocene-Miocene sequences on the New Jersey shallow shelf: Implications for regional, interregional, and global correlations: Geosphere, v. 9, p. 1434-1456, doi: 10.1130/GES00857.1.
  • Miller, K.G., Browning, J.V., Mountain, G.S., Bassetti, M.A., Monteverde, D., Katz, M.E., Inwood, J., Lofi, J., and Proust, J.-N., 2013, Sequence boundaries are impedance contrasts: Core-seismic-log integration of Oligocene-Miocene sequences, New Jersey shallow shelf: Geosphere, v. 9, p. 1257-1285, doi:10.1130/GES00858.1
  • Miller, K.G., Mountain, G.S., Browning, J.V., Katz, M.E., Monteverde, D.H., Sugarman, P.J., Ando, H., Bassetti, M.A., Bjerrum, C.J., Hodgson, D., Hesselbo, S., Karakaya, S., Proust, J.-N., Rabineau, M., 2013, Testing sequence stratigraphic models by drilling Miocene foresets on the New Jersey shallow shelf: Geosphere, v. 9, p. 1236-1256, doi: 10.1130/GES00884.1
  • Miller, K.G., Kopp, R.E., Horton, B.P., Browning, J.V., Kemp, A.C., 2013, A geological perspective on sea-level rise and impacts along the U.S. mid-Atlantic coast: Earth’s Future, v. 1, p. 3-18.
  • Katz, M.E., Browning, J.V., Miller, K.G., Monteverde, D., Mountain, G.S., and Williams, R.H., 2013, Paleobathymetry and sequence stratigraphic interpretations 1 from benthic foraminifera: Insights on New Jersey shelf architecture, IODP Expedition 313: Geosphere, v. 9, p. 1488-1513, doi: 10.1130/GES00872.1.
  • Miller, K.G., Sugarman, P.J., Browning, J.V., Sheridan, R.E., Kulhanek, D.K., Monteverde, D., Wehmiller, J.F., Lombardi, C., and Feigenson, M.D., 2012, Pleistocene sequence stratigraphy of the shallow continental shelf, offshore New Jersey: Constraints of Integrated Ocean Drilling Program Leg 313 core holes: Geosphere, v. 9, p. 1-22.
  • Miller, K.G., Wright, J.D., Browning, J.V., Kulpecz, A.A., Kominz, M.A., Naish, T.R., Cramer, B.S., Rosenthal, Y., Peltier, R.W., and Sosdian, S., 2012, The high tide of the warm Pliocene: Implications of global sea level for Antarctic deglaciation: Geology, v. 40, p. 407-410.
  • Miller, K.G., Mountain, G.S., Wright, J.D., and Browning, J.V., 2011, A 180-million-year record of sea level and ice volume variations from continental margin and deep-sea isotopic records: Oceanography, v. 24, p. 40-53.
  • Miller, K.G., Sugarman, P.J., Browning, J.V., Horton, B.J., Stanley, A., Kahn, A., Uptegrove, J., and Aucott, M., 2009, Sea-level rise in New Jersey over the past 5000 years: Implications to anthropogenic changes: Global and Planetary Change, v. 66, p. 10-18.
  • Browning, J.V., Miller, K.G., Sugarman, P.J., Kominz, M.A., McLaughlin, P.P., and Kulpecz, A.A., 2008, 100 Myr record of sequences, sedimentary facies and sea-level change from Ocean Drilling Program onshore coreholes, U.S. Mid-Atlantic coastal plain: Basin Research, v. 20, p. 227-248, doi: 10.1111/j.1365-2117.2008.00360.
  • Browning, J.V., Miller, K.G., McLaughlin, P.P., Edwards, L.E., Powars, D.S., Kulpecz, A.A., Wade, B.S., Feigenson, M.D., and Wright, J.D., 2009, Integrated sequence stratigraphy of the post-impact sediments from the Eyreville coreholes, Chesapeake Bay impact structure inner basin: Chesapeake Bay Impact Structure, GSA Special Paper 458, p. 775-810.
  • Browning, J.V., Miller, K.G., McLaughlin, P.P., Kominz, M.A., Sugarman, P.J., Monteverde, D., Feigenson, M.D., and Hernàndez, J.C., 2006, Quantification of the effects of eustasy, subsidence, and sediment supply on Miocene sequences, Mid-Atlantic margin of the United States: Geological Society of America Bulletin, v. 118, p. 567-588.
  • Kulpecz, A.A., Miller, K.G., Sr., Browning, J.V., Edwards, L.E., Powars, D.S., McLaughlin, P.P., Harris, A.D., and Feigenson, M.D., in press, Post-impact deposition in the Chesapeake Bay impact structure: variations in eustasy, compaction, sediment supply, and passive-aggressive tectonism: Chesapeake Bay Impact Structure, GSA Special Paper 458.
  • Miller, K.G., Browning, J.V., Aubry, M.-P., Wade, B.S., Katz, M.E., Kulpecz, A.A., Wright, J.D., 2008, Eocene-Oligocene global climate and sea-level changes: St. Stephens Quarry, Alabama: Geological Society of America Bulletin, v. 120, p. 34-53 doi: 10.1130/B26105.1.
  • Miller, K.G., Wright, J.D., Katz, M.E., Browning, J.V., Cramer, B.S., Wade, B.S., and Mizintseva, S.F., 2008, A view of Antarctic ice-sheet evolution from sea-level and deep-sea isotope changes during the Late Cretaceous-Cenozoic, in Cooper, A.K., Barrett, P.J., Stagg, H., Storey, B., Stump, E., Wise, W., and the 10th ISAES editorial team, eds., Antarctica: A keystone in a changing world: Proceedings of the 10th International Symposium on Antarctic Earth Sciences, Washington, DC, The National Academies Press, p. 55-70.
  • Katz, M.E., Miller, K.G., Wright, J.D., Wade, B.S., Browning, J.V., Cramer, B.S., and Rosenthal, Y., 2008, Stepwise transition from the Eocene greenhouse to the Oligocene icehouse: Nature Geoscience, v. 1, p. 329-334, doi:10.1038/ngeo1.

screen shot 2011-12-15 at 2.28.07 pm

Jim at the Swedesboro drill site

screen shot 2011-12-15 at 2.46.35 pm

Cross beds at the Book Cliffs

Turrin, Brent

Position: Research Professor
Office: 345 Wright Geological Laboratory
Phone: (732) 445-3177
Web Page:


  • B.A. from the University of California, Berkeley (1980)
  • M.S. from Stanford University (1984)
  • Ph.D. University of California, Berkeley (1996)
  • Lamont-Doherty Earth Observatory as a Senior Staff Associate from 1997 - 2002


Research Interests


Berggren, William A.

Position: Distinguished Visiting Professor
Office: 239C Wright Geological Laboratory
Phone: (732) 445-0822


  • D.Sc., from the University of Stockholm
  • Member of the National Academy of Sciences
  • Senior Scientist Emeritus at the Woods Hole Oceanographic Institution where he has worked since 1962

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