Publications

Published Journal Articles:

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 (in press).

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.

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

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.