Publications

Fact Sheets

Klimasauskas, E., Bacon, C. R. & Alexander, J. (2002). Mount Mazama and Crater Lake: growth and destruction of a cascade volcano. U.S. Geological Survey Fact Sheet , 092-02, 4 p.

Field Guides

Geist, D., Wolff, J. & Harpp, K. (2017). Field-trip guide to a volcanic transect of the Pacific Northwest. U.S. Geological Survey Scientific Investigations Report , 2017-5022-M, 31 p. doi:10.3133/sir20175022M

Bacon, C. R. & Wright, H. M. (2017). Geologic field trip guide to Mount Mazama and Crater Lake Caldera, Oregon.U.S. Geological Survey Scientific Investigations Report , 2017-5022-J1, 47 p.

Bacon, C. R., Donnelly-Nolan, J. M., Jensen, R. A. & Wright, H. M. (2017). Overview for geologic field-trip guides to Mount Mazama, Crater Lake Caldera, and Newberry Volcano, Oregon. U.S. Geological Survey Scientific Investigations Report , 2017-5022-J, 3 p.

Geologic Maps

Nimz, K., Ramsey, D. W., Sherrod, D. R. & Smith, J. G. (2008). Database for the Geologic Map of Upper Eocene to Holocene Volcanic and Related Rocks of the Cascade Range, Oregon. U.S. Geological Survey Data Series , 213

Bacon, C. R. (2008). Geologic Map of Mount Mazama and Crater Lake Caldera, Oregon. U.S. Geological Survey Scientific Investigations Map , 2832, 49 p.

Sherrod, D. R. & Smith, J. G. (2000). Geologic Map of Upper Eocene to Holocene Volcanic and Related Rocks of the Cascade Range, Oregon. U.S. Geological Survey Scientific Investigations Map , 2569, 17 p., 2 sheets.

Hazards Assessments and Reports

Schilling, S. P., Doelger, S., Bacon, C. R., Mastin, L. G., Scott, K. & Nathenson, M. (2008). Digital data for volcano hazards in the Crater Lake region, Oregon (data to accompany USGS Open-File Report 97-487). U.S. Geological Survey Open-File Report , 2007-1223 http://pubs.usgs.gov/of/2007/1223/index.html

Bacon, C. R., Mastin, L. G., Scott, K. & Nathenson, M. (1997). Volcano and earthquake hazards in the Crater Lake region, Oregon. U.S. Geological Survey Open-File Report , 97-487, 32 p.

Journal Articles

Nichols, M. L., Malone, S. D., Moran, S. C., Thelen, W. A. & Vidale, J. E. (2011). Deep long-period earthquakes beneath Washington and Oregon volcanoes. Journal of Volcanology and Geothermal Research , 200, 116–128. doi:dx.doi.org/10.1016/j.jvolgeores.2010.12.005

Mandeville, C. W., Webster, J. D., Tappen, C., Taylor, B. E., Timbal, A., Sasaki, A., Hauri, E. & Bacon, C. R. (2009). Stable isotope and petrologic evidence for open-system degassing during the climactic and pre-climactic eruptions of Mt. Mazama, Crater Lake, Oregon. Geochimica et Cosmochimica Acta , 73, 2978–3012. doi:10.1016/j.gca.2009.01.019

Bacon, C. R. & Lanphere, M. A. (2006). Eruptive history and geochronology of Mount Mazama and the Crater Lake region, Oregon. Geological Society of America Bulletin , 118, 1331-1359. doi:10.1130/â€'B25906.1

Bacon, C. R. & Lowenstern, J. B. (2005). Late Pleistocene granodiorite source for recycled zircon and phenocrysts in rhyodacite lava at Crater Lake, Oregon. Earth and Planetary Science Letters , 233, 277–293. doi:10.1016/j.epsl.2005.02.012

Bacon, C. R., Gardner, J. V., Mayer, L. A., Buktenica, M. W., Dartnell, P., Ramsey, D. W. & Robinson, J. E. (2002). Morphology, volcanism, and mass wasting in Crater Lake, Oregon. Geological Society of America Bulletin , 114, 675-692. doi:10.1130/0016-7606(2002)â€'114<0675:MVAMWI>â€'2.0.CO;2

Klug, C., Cashman, K. & Bacon, C. R. (2002). Structure and physical characteristics of pumice from the climactic eruption of Mount Mazama (Crater Lake), Oregon. Bulletin of Volcanology , 64, 486-501. doi:10.1007/s00445-002-0230-5

Bacon, C. R., Persing, H. M., Wooden, J. L. & Ireland, T. R. (2000). Late Pleistocene granodiorite beneath Crater Lake caldera, Oregon, dated by ion microprobe. Geology , 28, 467-470. doi:10.1130/0091-7613(2000)â€'28<467:LPGBCL>â€'2.0.CO;2

Colman, S. M., Rosenbaum, J. G., Reynolds, R. L. & Sarna-Wojcicki, A. M. (2000). Post-Mazama (7 KA) Faulting Beneath Upper Klamath Lake, Oregon. Bulletin of the Seismological Society of America , 90, 243-247. doi:10.1785/0119990033

Bacon, C. R., Lanphere, M. A. & Champion, D. E. (1999). Late Quaternary slip rate and seismic hazards of the West Klamath Lake fault zone near Crater Lake, Oregon Cascades. Geology , 27, 43-46. doi:10.1130/0091-7613(1999)â€'027<0043:LQSRAS>â€'2.3.CO;2

Bacon, C. R., Bruggman, P., Christiansen, R. L., Clynne, M. A., Donnelly-Nolan, J. M. & Hildreth, W. (1997). Primitive magmas at five Cascade volcanic fields: melts from hot, heterogeneous sub-arc mantle.Canadian Mineralogist , 35, 397-423.

Bacon, C. R., Gunn, S. H., Lanphere, M. A. & Wooden, J. L. (1994). Multiple Isotopic Components in Quaternary Volcanic Rocks of the Cascade Arc near Crater Lake, Oregon. Journal of Petrology , 35, 1521-1556. doi:10.1093/petrology/35.6.1521

Nakada, S., Bacon, C. R. & Gartner, A. E. (1994). Origin of Phenocrysts and Compositional Diversity in Pre-Mazama Rhyodacite Lavas, Crater Lake, Oregon. Journal of Petrology , 35, 127-162. doi:10.1093/petrology/35.1.127

Kamata, H., Suzuki-Kamata, K. & Bacon, C. R. (1993). Deformation of the Wineglass Welded Tuff and the timing of caldera collapse at Crater Lake, Oregon. Journal of Volcanology and Geothermal Research , 56, 253–265. doi:10.1016/0377-0273(93)90019-N

Suzuki-Kamata, K., Kamata, H. & Bacon, C. R. (1993). Evolution of the Caldera-Forming Eruption at Crater Lake, Oregon, Indicated by Component Analysis of Lithic Fragments. Journal of Geophysical Research , 98, 14,059-14,074. doi:10.1029/93JB00934

Bacon, C. R. (1992). Partially melted granodiorite and related rocks ejected from Crater Lake caldera, Oregon.Transactions of the Royal Society of Edinburgh: Earth Sciences , 83, 27-47. doi:10.1017/S0263593300007732

La Tourrette, T., Burnett, D. & Bacon, C. R. (1991). Uranium and minor-element partitioning in Fe-Ti oxides and zircon from partially melted granodiorite, Crater Lake, Oregon. Geochimica et Cosmochimica Acta , 55, 457–469. doi:10.1016/0016-7037(91)90004-O

Bacon, C. R. (1990). Calc-alkaline, Shoshonitic, and Primitive Tholeiitic Lavas from Monogenetic Volcanoes near Crater Lake, Oregon. Journal of Petrology , 31, 135-166. doi:10.1093/petrology/31.1.135

Druitt, T. H. & Bacon, C. R. (1989). Petrology of the zoned calcalkaline magma chamber of Mount Mazama, Crater Lake, Oregon. Contributions to Mineralogy and Petrology , 101, 245-259. doi:10.1007/BF00375310

Bacon, C. R. & Druitt, T. H. (1988). Compositional evolution of the zoned calcalkaline magma chamber of Mount Mazama, Crater Lake, Oregon. Contributions to Mineralogy and Petrology , 98, 224-256. doi:10.1007/BF00402114

Druitt, T. H. & Bacon, C. R. (1988). Compositional zonation and cumulus processes in the Mount Mazama magma chamber, Crater Lake, Oregon. Transactions of the Royal Society of Edinburgh: Earth Sciences , 79, 289-297. doi:10.1017/S0263593300014280

Druitt, T. H. & Bacon, C. R. (1986). Lithic breccia and ignimbrite erupted during the collapse of Crater Lake Caldera, Oregon. Journal of Volcanology and Geothermal Research , 29, 1–32. doi:10.1016/0377-0273(86)90038-7

Bacon, C. R. (1983). Eruptive history of Mount Mazama and Crater Lake Caldera, Cascade Range, U.S.A. Journal of Volcanology and Geothermal Research , 18, 57–115. doi:10.1016/0377-0273(83)90004-5

USGS General Publication

Hildreth, W. (2007). Quaternary Magmatism in the Cascades - Geologic Perspectives. U.S. Geological Survey Professional Paper , 1744, 125 p.

Moran, S. (Ed.) (2004). Seismic monitoring at Cascade Volcanic Centers, 2004 -- status and recommendations.U.S. Geological Survey Scientific Investigations Report , 2004-5211, 28 p.

Bacon, C. R. & Nathenson, M. (1996). Geothermal resources in the Crater Lake area, Oregon. U.S. Geological Survey Open-File Report , 96-663, 34 p.

Ewert, J. W. & Swanson, D. A. (Eds.) (1992). Monitoring Volcanoes: Techniques and Strategies Used by the Staff of the Cascades Volcano Observatory, 1980-90. U.S. Geological Survey Bulletin , 1966, 223 p. http://pubs.er.usgs.gov/publication/b1966_1992

Nathenson, M. (1992). Water balance for Crater Lake, Oregon. U.S. Geological Survey Open-File Report , 92-505, 34 p.

Nathenson, M. (1990). Temperatures of springs in the vicinity of Crater Lake, Oregon, in relation to air and ground temperatures. U.S. Geological Survey Open-File Report , 90-671, 19 p.

Muffler, P. L., Weaver, C. & Blackwell, D. (Eds.) (1989). Proceedings of workshop XLIV; geological, geophysical, and tectonic setting of the Cascade Range. U.S. Geological Survey Open-File Report , 89-178, 706 p.

Yamashita, K. & Doukas, M. P. (1987). Precise level lines at Crater Lake, Newberry Crater, and South Sister, Oregon. U.S. Geological Survey Open-File Report , 87-293, 32 p.

Chadwick, W., Iwatsubo, E., Swanson, D. A. & Ewert, J. W. (1985). Measurements of slope distances and vertical angles at Mount Baker and Mount Rainier, Washington, Mount Hood and Crater Lake, Oregon, and Mount Shasta and Lassen Peak, California, 1980-1984. U.S. Geological Survey Open-File Report , 85-205, 98 p.

USGS Poster

Robinson, J. E., Bacon, C. R. & Wayne, C. (2012). Under Trees and Water at Crater Lake National Park, Oregon.U.S. Geological Survey Scientific Investigations Map , 3223

Ramsey, D. W., Dartnell, P., Bacon, C. R., Robinson, J. E. & Gardner, J. V. (2003). Crater Lake Revealed. U.S. Geological Survey Geologic Investigations Series , 2790