Publications

Published Journal Articles:

Eddy, M.P., Bowring, S.A., Miller, R.B., and Tepper, J.H. (2016) Rapid assembly and crystallization of a fossil large-volume silicic magma chamber. Geology 44, no. 4, p. 331-334.

Tepper, L.B., and Tepper, J.H. (2013) The rise and fall of the Tacoma arsenic industry. Journal of the Society for Industrial Archaeology 39, nos 1 and 2, p. 65-78.

Chan, C.F., Tepper, J.H. and Nelson, B.K. (2012) Petrology of the Grays River volcanics, southwest Washington: plume-influenced slab window magmatism in the Cascadia forearc. Geological Society of America Bulletin 124, p. 1324-1338.

Tepper, J.H., and Hyatt, J.A. (2011) Holocene trophic state history of a subtropical blackwater lake, South Georgia, USA. Journal of Paleolimnology 45, p. 9-22.

Whitney, D.L., Tepper, J.H., Hirschmann, M.M. and Hurlow, H.A. (2008) Late-orogenic magmatism in the North Cascades, Washington: petrology and tectonic setting of the Skymo layered intrusion. Geological Society of America Bulletin 120, p 531-542.

Tepper, J.H., and S.M. Kuehner (2004) Geochemistry of mafic enclaves and host granitoids from the Chilliwack batholith, Washington: chemical exchange processes between coexisting mafic and felsic magmas and implications for the interpretation of enclave chemical traits. Journal of Geology 112, p. 349-367.

Tepper, J.H., and S.M. Kuehner (1999) Complex zoning in apatite from the Idaho batholith: a record of magma mixing and intracrystalline trace element diffusion. American Mineralogist 84, p. 581-595.

Tepper, J.H. (1999) Integrating geology, history, and the classics through a course in geomythology. Journal of Geoscience Education 47 p. 221-226.

Tepper, J.H. (1996) Petrology of mafic plutons associated with calc-alkaline granitoids, Chilliwack batholith, North Cascades, Washington. Journal of Petrology 37, p. 1409-1436.

Tepper, J.H., B.K. Nelson, G.W. Bergantz, and A.J. Irving (1993) Petrology of the Chilliwack batholith, North Cascades, Washington: generation of calc-alkaline granitoids by melting of mafic lower crust with variable water fugacity. Contributions to Mineralogy and Petrology 113, p. 333-351.

Other Refereed Publications:

Dragovich, J. D.; Mavor, S. P.; Anderson, M. L.; Mahan, S. A.; MacDonald, J. H., Jr.; Tepper, J. H.; Smith, D. T.; Stoker, B. A.; Koger, C. J.; Cakir, Recep; DuFrane, S. A.; Scott, S. P.; Justman, B. J., 2016, Geologic map of the Granite Falls 7.5-minute quadrangle, Snohomish County, Washington: Washington Division of Geology and Earth Resources Map Series 2016-03, 1 sheet, scale 1:24,000, 63 p. text.

Tepper, J. (2013) Using Sediment Cores to Reconstruct the Environmental Histories of South Puget Sound Lakes. Waterline (Washington Lake Protection Association newsletter), September 2013 issue.

Polenz, M., Spangler, E., Fusso, L., Reioux, D., Cole, R., Walsh, T., Cakir. R., Clark, K., Tepper, J., Carson, R., Pileggi, D., and Mahan, S. (2012) Geologic Map of the Brinnon 7.5-Minute Quadrangle, Jefferson and Kitsap Counties, Washington. WA Div. of Geol and Earth Resources Map Series 2012-02.

Contreras, T., Spangler, E., Fusso, L., Reioux, D., Legorreta Paulin, G., Pringle, P., Carson, R., Lindstrum, E., Clark, K., Tepper, J., Pileggi, D., and Mahan, S. (2012) Geologic Map of the Eldon 7.5-Minute Quadrangle, Jefferson, Kitsap, and Mason Counties, Washington. WA Div. of Geol and Earth Resources Map Series 2012-03.

Published Abstracts (names of student co-authors in italics):

Maher, S.P., Tepper, J.H., and Ashwell, P. (2016) Tracking the Growth of a Trachyte Dome on Akaroa Volcano, New Zealand, with Structural Observations, Geochemistry, and Crystal Size Distributions. GSA Abst with Programs 48, no 4.

Tanner, S.L., and Tepper, J.H. (2016) Between the Crescent and the Arc: Petrology of Early-to-Middle Eocene Units in Western Washington. GSA Abst with Programs 48, no 4.

Tepper, J.H. (2016) Eocene Breakoff and Rollback of the Farallon Slab – An Explanation for the “Challis Event”? GSA Abst. with Programs 48, no. 4.

Burley, M., Fox-Dobbs, K., Tepper, J., and Shinneman, A. (2016) A Holocene Environmental History of Lake Louise, Lakewood, Washington. GSA Abst. with Programs 48, no. 4.

Ruthenberg, K.L., and Tepper, J.H. (2015) Delineating Terrane Boundaries in Northeastern Washington Using Isotopic and Geochemical Analysis of Cretaceous Plutons. Abstract V23B-3119 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Caulfield, L., and Tepper, J.H. (2015) Geochemistry and Geochronology of Eocene Plutons in Northeastern Washington: A Test of Farallon Slab Rollback as a Cause of the Challis Event. Abstract V23B-3120 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Davidson, P., and Tepper, J.H. (2015) Petrology of Eocene dikes near Lake Chelan, WA: evidence of mantle and crustal melting during the Challis event. Abstract V23B-3121 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Eddy, M.P., Bowring, S.A., and Tepper, J.H. (2015) Extremely High Magma Emplacement Rates Recorded in the Golden Horn Batholith, WA. Abstract V34B-04 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Kant, L.B., Tepper, J.H., and Eddy, M.P. (2015) Basalt of Summit Creek: Eocene Magmatism Associated with Farallon Slab Break Off. Abstract V23C-03 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

McCallum, I.S., Mullen, E., and Tepper, J.H. (2015) Temporal and Spatial Fluctuations in Ancestral Northern Cascade Arc Magmatism from New LA-ICP-MS U-Pb Zircon Dating. Abstract V31A-3002 presented at 2015 Fall Meeting, AGU, San Francisco, Calif., 14-18 Dec.

Tepper, J.H., Eddy, M.P., and Nelson, B.K. (2014) Origin and Tectonic Implications of the Eocene Golden Horn Batholith: A Unique “A-type” Granite in the North Cascades, Washington. GSA Abst. with Programs 46, no. 6, p. 34.

Eddy, M.P., Bowring, S.A., Miller, R.B., and Tepper, J.H. (2014) Rapid Emplacement of the Golden Horn Batholith: North Cascades, WA. GSA Abst. with Programs 46, no. 5, p. 72

Tepper, J.H., Loewen, M.W., and Asmerom, Y. (2014) Cretaceous vs. Eocene Magmatism in NE Washington and Idaho: Petrologic Comparisons, Temporal Trends, and Tectonic Inferences. GSA Abst. with Programs 46, no. 5, p. 72.

McKinley, E.M., Tepper, J.H., and Fox-Dobbs, K. (2013) Environmental History of a 13,000 year Sediment Record from Washington State’s Most Contaminated Lake: Waughop Lake, Pierce County, Washington. GSA Abst. with Programs 45, no. 7, p.782

Hanson, M., and Tepper, J.H. (2013) A 40 Ma Geochemical Record of Spatial and Temporal Changes in Cascade Arc Magmatism. GSA Abst. with Programs 45, no. 7, p. 338.

Ivener, D., and Tepper, J.H. (2013) Petrology and Eruptive Styles of Central WA Teanaway Basalt: Uplift and Bimodal Volcanism in a Subsiding Eocene Basin. V33E-2832 presented at 2013 Fall Meeting, AGU, San Francisco.

Roepke, E., Tepper, J.H., and Ivener, D. (2013) A Petrologic Study of the Teanaway Basalt: Eocene Slab Window Volcanism in Central WA. V31A-2667 presented at 2013 Fall Meeting, AGU, San Francisco.

Berkelhammer, S., Tepper, J.H., Petro, G.T., and Eckles, E.H. (2012) Petrology of Mafic Bodies Associated with the Eocene “A-type” Golden Horn Batholith, North Cascades, WA. V11D-2797 presented at 2012 Fall Meeting, AGU, San Francisco.

Kant, L.B., Tepper, J.H., and Nelson, B.K. (2012) Petrology of the Basalt of Summit Creek: A [Slab} Window into Pacific Northwest Tectonics during the Eocene. T23E-2732 presented at Fall Meeting, AGU, San Francisco.

Tepper, J.H., and McKinley, E. (2011) The Basalt of Summit Creek: Evidence for an Early Eocene Transition from Arc to Slab Window Volcanism in the Southern Washington Cascades. V43C-2588 presented at 2011 Fall Meeting, AGU, San Francisco.

Black, D., and Tepper, J. (2010) A Petrologic Comparison of Cretaceous and Eocene Plutons near Omak, WA. 2010 Proceedings of the Northwest Scientific Assoc., Centralia, WA, p. 33.

Blakely, S., Tepper, J., and Buddington, A. (2010) A Compsrison of Eocene and Cretaceous Plutons, Boundary County, Idaho: Petrology and Tectonic Implications. 2010 Proceedings of the Northwest Scientific Assoc., Centralia, WA, p. 33.

Chan, C., Tepper, J., and Nelson, B. (2010) Geochemistry of the Late Eocene Grays River Volcanics, Southwestern Washington and Northwestern Oregon: Evidence for a Slab Window in the Cascadia Forearc. 2010 Proceedings of the Northwest Scientific Assoc., Centralia, WA, p. 37.

Gregory-Lederer, M., and Tepper, J. (2010) Petrology of the Jordan Lakes Pluton: An Investigation of Separate Source Versus Structural Tilt Hypotheses; North Cascades, Washington. 2010 Proceedings of the Northwest Scientific Assoc., Centralia, WA, p. 67.

Chan, C.F., Tepper, J.H., and Nelson, B.K. (2009) Geochemistry of the Late Eocene Grays River Volcanics, Southwestern Washington and Northwestern Oregon: Evidence for a Slab Window in the Cascadia Forearc. GSA Abst. with Programs 41.

Shapiro, B.M., and Tepper, J.H. (2009) Deep Groundwater Inflow Explains Anomalous Chemistry of a Kettle Lake, South Puget Sound, Washington. GSA Abst. with Programs 41.

Tepper, J.H., and Valentine, M. (2009) Why Plan a Retirement Community in a Lahar Zone? Designing a Project-Based Geohazards Course in Collaboration with the Local Department of Emergency Management. GSA Abst. with Programs 41.

Chan, C.F., Fagan, K.J., Lodwick, M.K., Ferry, D.D., Glancy, S.E., Smith, E.A., and Tepper, J.H. (2009) Petrology of the Grays River Volcanics, Southwestern Washington: Evidence for Late Eocene Rifting. GSA Abst. with Programs 41.

Glancy, S.E., and Tepper, J.H. (2009) Geochemically Anomalous Igneous Rocks of the Olympic Peninsula: Implications for Eocene Tectonics. GSA Abst. with Programs 41.

Shapiro, B., and Tepper, J.H. (2009) Unique Geochemistry of Gravelly Lake, Tacoma, WA: Evidence for a Deep Groundwater Component. GSA Abst. with Programs 41.

Tepper, J.H., and Nelson, B.K., Clark, K.P., and Barnes, R.P. (2008) Hetgerogeneity in Mantle Sources for Eocene Basalts in Washington: Trace Element and Sr-Nd Isotopic Evidence from the Crescent and Teanaway Basalts. Eos Trans. AGU 89, no. 53 Fall Meet Suppl., Abstract V41D-2121.

Loewen, M., Tepper, J., and Asmerom, Y. (2007) Petrology of Eocene Intrusions in NE Washington: Sr - Nd Evidence for Widespread Melting of Chemically and Isotopically Heterogeneous Lower Crust. Eos Trans. AGU 88, no.

Tepper, J.H. (2007) Deciphering Mafic Enclaves – What Can They Tell Us About the Timing and Nature of Basaltic Inputs into Granitoid Magma Systems?  GSA Abst. with Programs 39.

Tepper, J.H., and Clark, K.P. (2007) Subduction of the Kula-Farallon / Kula-Resurrection Ridge System: Implications for Eocene Magmatic and the Tectonic History of the Pacific Northwest.  GSA Abst. with Programs 39.

Manthei, C.D., and Tepper, J.H. (2007) Controls on Diagenetic Mobilization of Heavy Metals in Marine and Lacustrine Sediment Cores, South Puget Sound, Washington. GSA Abst. with Programs 39.

Loewen, M., Lodwick, M., Shapiro, B., Lubetkin, K., Elliott, J., and Tepper, J. (2007) Influence of Beggiatoa Bacterial Mats on Chemistry of Sediment from Hood Canal, Washington.  GSA Abst. With Programs 39.

Wisher, A.P., Lowther, J.S., and Tepper, J.H. (2007) Using Petrography, Scanning Electron Microscopy, and GIS to Examine the Contact Between a Synplutonic Dike and its Granitoid Host.  GSA Abst with Programs 39.

Warren, S.S., Hart, A.S., Saarman, I. and Tepper, J.H. (2007) Hydrogen Sulfide and Arsenic-Rich Waters Originating from Buried Wood Waste Along the Commencement Bay Waterfront, Tacoma, Washington.  GSA Abst. with Programs 39.

Tepper, J.H., Valentine, M., and Pierson, B. (2006) Collaborating with the County Department of Emergency Management to “Develop” a Project-Based Geohazards Course.  GSA Abst. with Programs 38.

Loewen, M., Brown, M., Cohen, J., Manthei, C., Eiriksson, D., Johnson, B., Phelps, D., and Tepper, J. (2006) Petrology of Eocene Dike Swarm in Corbaley Canyon, Central Cascades, Washington.  GSA Abst. with Programs 38, no. 5, p. 95.

Manthei, C.D., and Tepper, J.H. (2006) Behavior of Heavy Metals in Marine and Lacustrine Sediment Cores, South Puget Sound, Washington.  GSA Abst. with Programs 38, no. 5, p. 9.

Peters, R.L., and Tepper, J.H (2006) Petrology of the Teanaway Dike Swarm, Central Cascades, Washington.  GSA Abst. With Programs 38, no. 5, p. 9.

Stein, K.C., Tepper, J.H., and Conrey, R.M. (2006) Petrology and Origin of Crustal Xenoliths from Tumalo Cinder Cone, Central Oregon Cascades.  GSA Abst. with Programs 38, no. 5, p. 93.

Tepper, J.H., Clark, K., and Wolfe, M.R. (2005) Constraints on the Timing and Geometry of Kula-Farallon Ridge Subduction and Implications for the Eocene Magmatic and Tectonic Evolution of the Pacific Northwest.  Eos Trans. AGU 86, no. 52, p. F1917.

Tepper, J.H., Ponzini, C.J., and Gustafson, J.R. (2005) Temporal and Spatial Variations in Cascade Arc Magmatism – The 35 Ma plutonic record.  Geochimica et Cosmochimica Acta 69, no. 10, Supp., p. 267.

Tepper, J.H., and Hildreth, W. (2004) The Plutonic-Volcanic Connection in the Cascade Arc: Insights from the Mount Baker - Chilliwack Area, WA. GSA Abst. with Programs.

Gustafson, J.R., and Tepper, J.H. (2004) Tertiary Granitoid Stocks of the Western Oregon Cascades: Petrology and Regional Geochemical Patterns.  GSA Abst. with Programs.

Wolfe, M.R., and Tepper, J.H. (2004) Felsic Volcanic Rocks on the Olympic Peninsula and their Implications for Ridge Subduction.  GSA Abst. with Programs.

Bell, P., Tepper, J.H., and Lowther, J.S. (2004) Trace Elements in Slag Bearing Sediments from Lake Washington, WA: A Sequential Extraction and SEM Study.  GSA Abst. with Programs 36, no. 4, p.33.

Tepper, J.H., Clark, K., Asmerom, Y., and McIntosh, W. (2004) Eocene Adakites in the Cascadia Forearc: Implications for the Position of the Kula-Farallon Ridge. GSA Abst. with Programs 36, no. 4, p.69

Hahn, M., Graettinger, A., Gustafson, J., Ponzini, C., Wolfe, M., Peters, R., Stein, K., and Tepper, J. (2004) Eocene Pyroclastic Deposits at Chimacum, Washington: Adakite Magmatism in the Cascadia Forearc.  GSA Abst. with Programs 36, no. 4, p.33.

Ponzini, C.J., and Tepper, J.H. (2003) Petrology of the Index Batholith, North Cascades: Comparisons with other Tertiary Batholiths in Washington and Implications for the Evolution of the Cascade Arc.  GSA Abst. with Programs.

Tepper, J.H., and Hammond, P.E. (2003) Variations in Cascade Arc Magmatism through Space and Time: A Comparison of Geochemcial and Geographic Trends in Volcanic and Plutonic Rocks from the Chilliwack – Mt. Baker and Fifes Peaks – Bumping Lake Areas, Washington. GSA Abst. with Programs 35, no. 4, p. 57.

Hill, K.S. and Tepper, J.H. (2003) Petrology of Mafic Plutons in the Snoqualmie Batholith, North Cascades, Washington. GSA Abst. with Programs 35, no. 4, p 4.

Lowther, J.S. and Tepper, J.H. (2003) Scanning Electron Microscopy of a Granite Aplite Dike. GSA Abst. with Programs 35, no. 4, p 5.

Tepper, J., Clark, K., Asmerom, Y, and McIntosh, W., (2002) Eocene Adakites Associated With Initiation of Cascade Subduction, Puget Lowlands, WA. Eos Trans. AGU 83, no 47, abstract V11A-1381.

Tepper, J.H. (2002) Correlation of Chemical Trends in Cascade Arc Granites with Tertiary Plate Motions. GSA Abst. with Programs 34, no. 5, p. 17.

Tepper, J.H., Groffman, A.R., Crossey, L.J., and Asmerom, Y. (2001) Influence of Seasonal Redox Variations on Mobility of Trace Metals in a Shallow Alluvial Aquifer, Jemez Mountains, NM. Eos 82, no. 47, p. F492-493.

Grissino-Mayer, H.D., and Tepper, J.H. (2000) Developing an Annually-Resolved, Pre-Columbian Reconstruction of Precipitation for South-Central Georgia. Georgia Journal of Science 58, no. 1, p. 61-62.

Larsen, R.H., and Tepper, J.H. (2000) Distribution of Trace Elements Between Water and Sediment in Lake Louise, Lowndes County, Georgia. Georgia Journal of Science 58, no. 1, p. 58.

Tepper, J., Larsen, R., Ghazi, A., and Chathem, B. (1999) Partitioning of Trace Elements Between Water, Suspended Sediment, and Bottom Sediment in a South Georgia Blackwater Lake. Eos 80, no. 46, p. F378.

Tepper, J.H. and Wolfe, A.P. (1999) Trace Element Stratigraphy of Sediment and Diatom Frustules from Lake Louise, GA: An 8500 Year Paleoenvironmental Record from South Central Georgia. GSA Abst. With Programs 31, no. 3, p.

Steen, F.L. and Tepper, J.H. (1998) Trace Element Geochemistry of Waters in a Humic Lake, Lake Louise, GA. Georgia Journal of Science 56, no. 1, p. 54-55.

Tepper, J.H., Wolfe, A.P., Norris, M.O., and Hyatt, J.A. (1997) Holocene Paleo-environmental Inferences from Trace Element Geochemistry of Freshwater Diatom Frustules and Sediment: An Example from Lake Louise, GA. Eos 78, no. 46, p. 213.

Tepper, J.H. and Hyatt, J.A. (1997) Geochemical Evidence for Lake Level Variations: An 8500-Year Record From Lake Louise, Georgia. Georgia Journal of Science 55, no. 1, p. 81-82.

Tepper, J.H. (1996) Mafic Enclaves Contaminated by Liquid-Liquid Diffusion with the Host Granitoid: Trace Element Evidence from Acicular Apatites. GSA Abst. with Programs 28, no. 7, p.

Tepper, J.H. and Hyatt, J.A. (1996) Chemical and Physical Stratigraphy of Sediment from Lake Louise, Lowndes County, Georgia. Georgia Journal of Science 54, no. 1, p. 44.

Tepper, J.H. and Ryan, J.G. (1995) Temporal Trends in Geochemistry of Cascade Arc Granitoids: Correlation with Subduction Rate and Fracture Zone Position. Eos 76, no. 46, p. 658.

Tepper, J.H. (1995) Temporal Variations in Geochemistry of Cascade Arc Granitoids: A Record of Changing Subduction Parameters. Georgia Journal of Science 53, no. 1, p. 37.

Tepper, J.H., Kuehner, S.M., and Kelemen, P.B. (1994) Trace Element Diffusion in Apatite From the Idaho Batholith: Implications for the Interpretation of Zoning in "Inherited" Apatite. GSA Abst. with Programs 26, no. 7, p.

Lupulescu, M.V., Tepper, J.H., Cioflica, G., and Jude, R. (1994) Spatial Variations in Chemical Composition of Calc-Alkaline Granitoids From Western Romania: Evidence for Subduction Geometry and Discontinuities in Crust Composition. Eos 75, no. 16, p. 353.

Lupulescu, M., and Tepper, J.H. (1993) Trace Element Study of Post-Tectonic, Calc-Alkaline Granitoids (Banatite Suite) From Western Romania. GSA Abst. with Programs 25, no. 6, p. A-262.

Brand, C.C., Malinconico, L.L., and Tepper, J.H., (1993) Relationship of Pegmatites to U-Th Mineralization in Precambrian Crystalline Rocks Near Easton, Pennsylvania . GSA Abst. with Programs 25, no. 2, p. 6.

Tepper, J.H., Kuehner, S.M., and Brand, C.C. (1992) Complex Zoning in Igneous Apatite From the Idaho Batholith. Eos 73, no. 43, p. 601-602.

Tepper, J.H. (1992) Petrologic Diversity in I-Type Granitoids Due To Variation in Water Fugacity During Melting of Amphibolite. Trans. Royal Soc. of Edinburgh: Earth Sciences 83, p. 501-502.

Tepper, J.H. (1990) I-type Granitoids Derived From Basaltic Lower Crust: A Chemical and Thermal Model for the Chilliwack Batholith, North Cascades, Washington. Eos 71, no. 43, p. 1720.

Tepper, J.H., B.K. Nelson and A.J. Irving (1989) Generation of Arc Granitoids by Melting of Mafic Lower Crust Under Variable fH2O: REE and Sr, Nd Isotopic Evidence From the Chilliwack Batholith, North Cascades, Washington. Eos 70, no. 43, p. 1420.

Tepper, J.H. (1989) Contrasting Sources and Evolution of Mafic Arc Magmas: Geochemical and Isotopic Evidence From the Chilliwack Batholith, North Cascades, Washington. GSA Abst. with Programs 21, no. 6, p. 324.

Tepper, J.H. (1988) Petrology of Mafic Plutons and Their Role in Granitoid Genesis, Chilliwack Batholith, North Cascades, Washington. EOS 69, no. 44, p. 1493.

Tepper, J.H. (1985) Partially Resorbed Calcic Cores in Plagioclase: Evidence for Magma Mixing in the Chilliwack Composite Batholith, North Cascades, WA. GSA Abst. with Programs 17, no. 6, p. 412.