Address: U.S. Geological Survey, Volcano Science Center, Mail Stop 910
345 Middlefield Road, Menlo Park, CA 94025-3561
Phone (650) 329-5246; Fax (650) 329-5203; e-mail cbacon@usgs.gov
Current Research Interests: Physical volcanology, petrology, geochemistry, and eruptive histories of calderas, emphasizing detailed study of Crater Lake, Oregon, and Veniaminof and Aniakchak calderas, Alaska Peninsula. General interest in volcanic and magmatic processes. Secondary Ion Mass Spectrometry applied to geologic and biologic materials.
Education: Stanford University, BS, Geology, 1970; University of California, Berkeley, PhD, Geology, 1975
Professional Societies: Fellow, American Geophysical Union, Mineralogical Society of America, Geological Society of America; Member, Geochemical Society, International Association of Volcanology and Chemistry of the Earth's Interior (IAVCEI); President-elect, Volcanology, Geochemistry, and Petrology Section of the American Geophyscial Union, 7/02-6/04; President, 7/04-6/06.
Honors and Awards: IAVCEI quadrennial L.R. Wager Medal, 1987; AGU VGP Section N.L. Bowen Award, 1999; Crater Lake Institute Centennial Award for Excellence in Research at Crater Lake National Park, 2003; USGS Shoemaker Awards for Communication Product Excellence, 2002, 2004; US Department of the Interior Meritorious Service Award, 2004; US Department of the Interior Superior Service Award from National Park Service, 2009.
Committees and Editorial Boards: NAS/NRC Continental Scientific Drilling Committee, 1983-86; USGS Geologic Division Science Advisory Committee, 1988-89, Chair 1990-91; NSF Petrology and Geochemistry Panel, 1994-97; AGU VGP Section Nominating Committee, 1996, Chair 1998; MSA Fellows Committee, 1997-99; MSA Nominating Committee, 2007-2009; Member, Board of Directors, Berkeley Geochronology Center, 2009-; Associate Editor, Geological Society of America Bulletin, 1985-90; Associate Editor, American Mineralogist, 1989-92; Editorial Board, Geology, 1993-95; Editorial Board, Journal of Volcanology and Geothermal Research, 1998-2007.
Employment: Research and Teaching Assistantships, University of California, Berkeley, 1970-74; Research Associate, Lawrence Berkeley Laboratory, 1975; Research Geologist, U.S. Geological Survey, 1975-2004; Visiting Professor, California Institute of Technology, winter term 1988; Senior Scientist (Research Geologist), U.S. Geological Survey, 2004-present; Co-Director, Stanford–USGS Ion Microprobe Laboratory (SUMAC), October 2008-present.
Publications:
du Bray, E.A., Bacon, C.R., John, D.A., Wooden, J.L., and Mazdab, F.K., submitted, Episodic intrusion, internal differentiation, and hydrothermal alteration of the Miocene Tatoosh Intrusive Suite south of Mount Rainier, Washington: Geological Society of America Bulletin, 65 ms pages, 7 tables, 11 figures (submitted May 26, 2009).
Simon, J.I., Vazquez, J.A., Renne, P.R., Schmitt, A.K., Bacon, C.R., and Reid, M.R., 2009, Accessory mineral U–Th–Pb ages and 40Ar/39Ar eruption chronology, and their bearing on rhyolitic magma evolution in the Pleistocene Coso volcanic field, California: Contributions to Mineralogy and Petrology, doi:10.1007/s00410-009-0390-9 (in press; published online February 26, 2009).
Mandeville, C.W., Webster, J.D., Tappen, C., Taylor, B.E., Timbal, A., Sasaki, A., Hauri, E., and Bacon, C.R., 2009, Stable isotopic and petrologic evidence for open-system degassing during the climactic and pre-climactic eruptions of Mt. Mazama, Crater Lake, Oregon: Geochimica et Cosmochimica Acta, v. 73, p. 2378-3012, doi:10.1016/j.gca.2009.01.019.
Bacon,
C.R., 2008, Geologic map of Mount Mazama and Crater Lake caldera,
Oregon: U.S.
Geological Survey Scientific Investigations Map 2832, 4 sheets, scale 1:24,000,
45 p. pamphlet [http://pubs.usgs.gov/sim/2832/].
Takesue, R.K., Bacon, C.R., and Thompson, J.K., 2008, Influences of organic matter and calcification rate on trace elements in aragonitic estuarine bivalve shells: Geochimica et Cosmochimica Acta, v. 72, p. 5431-5445.
Bacon, C.R., Sisson, T.W., and Mazdab, F.K., 2007, Young cumulate complex beneath Veniaminof caldera, Aleutian arc, dated by zircon in erupted plutonic blocks: Geology, v. 35, p. 491-494, DOI 10.1130/G23446A.1.
Nathenson, M., Bacon,
C.R., and Ramsey, D.W., 2007, Subaqueous geology and a filling model for
Crater Lake, Oregon: Hydrobiologia, v. 574,
p. 13-27, DOI 10.1007/s10750-006-0343-5.
Bacon, C.R., and Lanphere, M.A., 2006,
Eruptive history and geochronology of Mount Mazama and the Crater Lake region,
Oregon: Geological Society of America Bulletin, v. 118,
p. 1331-1359, DOI 10.1130/B25906.1.
Bacon, C.R., and
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, v. 233/3-4, p. 277-293, DOI
10.1016/j.epsl.2005.02.012.
Weber, P.K., Bacon, C.R.,
Hutcheon, I.D., Ingram, B.L., and Wooden, J.L., 2005, Ion
microprobe measurement of strontium isotopes in calcium carbonate with
application to salmon otoliths: Geochimica
et Cosmochimica Acta, v. 69, p. 1225-1239.
Bacon, C. R., Weber, P. K., Larsen, K.
A., Reisenbichler, R., Fitzpatrick, J. A., and Wooden, J. L., 2004, Migration and rearing histories of chinook salmon (Oncorhynchus tshawytscha) determined by
ion microprobe Sr isotope and Sr/Ca transects of otoliths: Canadian Journal of Fisheries and Aquatic Sciences, v. 61, p.
2425-2439.
George, R., Turner, S.,
Hawkesworth, C., Bacon, C. R., Nye, C., Stelling, P., and Dreher, S.,
2004, Chemical versus temporal controls on the evolution of tholeiitic and
calc-alkaline magmas at two volcanoes in the Alaska-Aleutian arc: Journal
of Petrology, v. 45, p. 203-219.
Meibom, A., Morten, S.,
Wooden, J., Constanz, B. R., Dunbar, R. B., Owen, A., Grumet, N., Bacon, C.
R., and Chamberlain, C. P., 2003, Monthly strontium/calcium oscillations in
symbiotic coral aragonite: biological effects limiting the precision of the
paleotemperature proxy: Geophysical Research Letters, v. 30, no.
7, 10.1029/2002GL016864.
Bacon, C. R., Gardner, J. V., Mayer, L.
A., Buktenica, M. W., Dartnell, P., Ramsey, D. W., and Robinson, J. E., 2002,
Morphology, volcanism, and mass wasting in Crater Lake, Oregon: Geological Society of America Bulletin,
v. 114, p. 675-692.
Bacon, C R., 2002, Citation for Alfred
T. Anderson, Jr., for the 2001 Bowen Award:
EOS, Transactions American
Geophysical Union, v. 83, no. 10, p. 107-108.
Klug, C., Cashman, K. V.,
and Bacon, C. R., 2002, Structure and physical characteristics of pumice
from the climactic eruption of Mount Mazama (Crater Lake), Oregon: Bulletin
of Volcanology, v. 64, p. 486-501.
Ramsey, D.W., Robinson,
J.E., Dartnell, Peter, Bacon, C.R., Gardner, J.V., Mayer, L.A.,
Buktenica, M.W., and Nathenson, M., 2002, Crater Lake revealed: Using GIS to visualize and analyze the
depths of Crater Lake, Oregon: ESRI Map Book, v. 17, p. 9.
Gardner, J.V., Dartnell, P.,
Hellequin, L., Bacon, C.R., Mayer, L.A., Buktenica, M.W., and Stone,
J.C., 2001, Bathymetry and selected perspective views of Crater Lake,
Oregon: U.S. Geological Survey, Water
Resources Investigations Report 01-4046, 2 sheets.
Bacon, C.R., Persing, H.M., Wooden,
J.L., and Ireland, T.R., 2000, Late Pleistocene granodiorite beneath Crater
Lake caldera, Oregon, dated by ion microprobe:
Geology, v. 28,
p. 467-470.
Manley, C.R., and Bacon,
C.R., 2000, Rhyolite themobarometry and the shallowing of the magma
reservoir, Coso volcanic field, California: Journal
of Petrology, v. 41, p. 149-174.
Bacon, C.R., 2000, (Acceptance of 1999
Bowen Award of the Volcanology, Geochemistry, and Petrology Section of the
American Geophysical Union): EOS, Transactions American Geophysical Union,
v. 81, no. 15, p. 160 & 164.
Sisson, T.W., and Bacon,
C.R., 1999, Gas-driven filter pressing in magmas: Geology, v. 27, p. 613-616.
Guffanti, M.C., Bacon,
C.R., Hanks, T.C., and Scott, W.E., eds. , 1999, Proceedings of the
workshop on present and future directions in volcano-hazard assessments, Menlo
Park, September 23-24, 1998: U.S.
Geological Open-File Report 99-339, 33 p.
Bacon, C. R., Lanphere, M.A., and
Champion, D.E., 1999, Late Quaternary slip rate and seismic hazards on the west
Klamath Lake fault zone near Crater Lake, Oregon: Geology, v. 27,
p. 43-46.
Bacon, C.R., Mastin, L.G., Scott, K.M.,
and Nathenson, Manuel, 1997, Volcano and earthquake hazards in the Crater Lake
region, Oregon. U.S. Geological Survey
Open-File Report 97-487, 32 p, 1 plate.
Bacon, C.R., and Nathenson, Manuel,
1996, Geothermal resources in the Crater Lake area, Oregon: U.S. Geological Survey Open-File Report
96-663, 34 p.
Nelson, C.H., and Bacon,
C.R., 1995, Crater Lake National Park: Presently Tranquil. U.S. Geological Survey Fact Sheet, 2 p.
Bacon, C.R., Bruggman, P.E.,
Christiansen, R.L., Clynne, M.A., Donnelly-Nolan, J.M., and Hildreth, Wes,
1997, Primitive magmas at five Cascade volcanic fields: Melts from hot, heterogeneous sub-arc
mantle: in Nixon, G.T., Johnston, A.D.,
and Martin, R.F., editors, Nature and Origin of Primitive Magmas at Subduction
Zones: Canadian Mineralogist, v. 35, p. 397-423.
Bacon, C.R., and Lanphere, M.A., 1996,
Late Cretaceous age of the Middle Fork caldera, Eagle quadrangle, east-central
Alaska: in Moore, T.E., and Dumoulin, J.A., editors, Geologic Studies in
Alaska by the U.S. Geological Survey, 1994: U.S. Geological Survey Bulletin
2152, p. 143 147.
Lowenstern, J.B., Bacon,
C.R., Calk, L.C., Hervig, R.L., and Aines, R.D., 1994, Major-element,
trace-element, and volatile concentrations in silicate melt inclusions from the
tuff of Pine Grove, Wah Wah Mountains, Utah:
U.S. Geological Survey Open-File Report 94-242, 20 p.
Bacon, C.R., Gunn, S.H., Lanphere,
M.A., and Wooden, J.L., 1994, Multiple isotopic components in Quaternary
volcanic rocks of the Cascade arc near Crater Lake, Oregon: Journal
of Petrology, v. 35, p. 1521-1556.
Bruggman, P.E., Bacon,
C.R., Mee, J.S., Pribble, S.T., and Siems, D.F., 1993, Chemical analyses of
pre-Mazama silicic volcanic rocks, inclusions, and glass separates, Crater
Lake, Oregon: U.S. Geological Survey
Open-file Report 93-314, 20 p.
Nelson, C.H., Bacon, C.R.,
Robinson, S.W., Adam, D.P., Bradbury, J.P., Barber, J.H., Jr., Schwartz, D.,
and Vagenas, G., 1994, The volcanic, sedimentologic and paleolimnologic history
of the Crater Lake caldera floor, Oregon:
Evidence for small caldera evolution:
Geological Society of America
Bulletin, v. 106, p. 684-704.
Nakada, S., Bacon, C.R.,
and Gartner, A.E., 1994, Origin of phenocrysts and compositional deiversity in
pre-Mazama rhyodacite lavas, Crater Lake, Oregon: Journal of Petrology,
v. 35, p. 127-162.
Suzuki-Kamata, K., Kamata,
H., and 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, v. 98, p. 14,059-14,074.
Kamata, H., Suzuki-Kamata,
K., and 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, v. 56, p. 253-265.
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 (Hutton Symposium on
Granite and Related Rocks), v. 83, p. 27-47. Also in Brown, P.E., and Chappell, B. W.,
eds., 1992, The Second Hutton Symposium on the origin of granites and related
rocks: Geological Society of America Special Paper 272, p. 27-47.
Bacon, C. R., Newman, S., and Stolper,
E., 1992, Water CO2, Cl, and F in melt inclusions in phenocrysts
from three Holocene eruptions, Crater Lake, Oregon: American Mineralogist,
v. 77, p. 1021-1030.
Sisson, T. W., and Bacon,
C. R., 1992, Garnet—high-silica rhyolite trace element partition
coefficients measured by ion microprobe:
Geochimica et Cosmochimica Acta,
v. 56, p. 2133-2136.
La Tourette, T. Z., Burnett,
D. S., and 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, v. 55, p. 457-469.
Bacon, C. R., 1990, Crater Lake,
Oregon: in Volcanoes of North America,
ed. by C. A. Wood and J. Kienle, Cambridge Univeristy Press,
p. 193-195.
Bruggman, P. E., Bacon,
C. R., Mee, J. S., Pribble, S. T., and Siems, D. F., 1989, Chemical
analyses of volcanic rocks from monogenetic and shild volcanoes near Crater
Lake, Oregon: U.S. Geological Survey
Open-File Report 89-562, 15 p.
Bacon, C. R., Foster, H. L., and Smith,
J. G., 1990, Rhyolitic calderas of the Yukon-Tanana terrane, east central
Alaska: Volcanic remnants of a mid-Cretaceous magmatic arc: Journal of Geophysical Research,
v. 95, p. 21,451-21,461.
Bacon, C. R., Adami, L. H., and
Lanphere, M. A., 1989, Direct evidence for the origin of low-18O
silicic magmas: Quenched samples of a magma chamber's partially-fused granitoid
walls: Earth and Planetary Science Letters, v. 96, p. 199-208.
Bacon, C. R., and Lanphere, M. A., 1990,
The geologic setting of Crater Lake, Oregon:
in Crater Lake: An ecosystems study, ed. by E.T. Drake, G.L. Larson, J.
Dymond, and R. Collier, American
Association for the Advancement of Science, Pacific Division, San Francisco,
p. 19-27.
Bacon, C. R., Lanphere, M. A., and
O'Neil, J. R., 1989, Strontium and oxygen isotopes in volcanic rocks near
Crater Lake, Oregon, and their bearing on arc magmatism: in Muffler, L.
J. P., Weaver, C. S., and Blackwell, D. D., Geological, geophysical, and
tectonic setting of the Cascade Range:
U.S. Geological Survey Open-File Report 89-178, p. 521-555.
Muffler, L. J. P., Bacon,
C. R., Christiansen, R. L., Clynne, M. A., Donnelly-Nolan, J. M., Miller,
C. D., Sherrod, D. R., and Smith, J. G., 1989, IGC field trip T312: South Cascades
arc volcanism, California and southern Oregon: International Geological
Congress, 54 p; also published in IAVCEI field guide, New Mexico Bureau of
Mines and Mineral Resources Memoir 47, p. 183-225.
Bacon, C. R., 1989, Crystallization of
accessory phases in magmas by local saturation adjacent to phenocrysts: Geochimica
et Cosmochimica Acta, v. 53, p. 1055-1066.
Bacon, C. R., 1990, Calc-alkaline,
shoshonitic, and primitive tholeiitic lavas from monogenetic volcanoes near
Crater Lake, Oregon: Journal of Petrology, v. 31,
p. 135-166.
Bacon, C. R., 1988, (Acceptance of Wager
Prize): Bulletin of Volcanology:
v. 50, p. 64‑65.
Druitt, T. H., and Bacon,
C. R., 1989, Petrology of the zoned calcalkaline magma chamber of Mount
Mazama, Crater Lake, Oregon: Contributions to Mineralogy and Petrology,
v. 101, p. 245-259.
Druitt, T. H., and 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 (Hutton Symposium on the Origin of Granite),
v. 79, p. 289-297.
Bacon, C. R., Hildreth, W., and Druitt,
T. H., 1987, Partition coefficients determined from phenocryst and glass
analyses of the climactic ejecta of Mount Mazama, Oregon: U.S. Geological Survey Open-file Report
87-589, 4 p.
Bacon, C. R., and Druitt, T. H., 1988,
Compositional evolution of the zoned calcalkaline magma chamber of Mount
Mazama, Crater Lake, Oregon: Contributions to Mineralogy and Petrology,
v. 98, p. 224-256.
Bacon, C. R., and Hirschmann, M. M.,
1988, Mg/Mn partitioning as a test for equilibrium between coexisting Fe-Ti
oxides: American Mineralogist, v. 73, p. 57-61.
Bacon, C. R., and others, 1987, The
Scientific Value of Coring the Proposed Southern Appalachian Research Drill
Hole: National Academy Press,
45 p.
Nelson, C. H., Carlson, P.
R., and Bacon, C. R., 1988, The Mount Mazama climactic eruption (6900
BP) and resulting convulsive sedimentation on the continent, ocean basin, and
Crater Lake caldera floor: In
Clifton, H. E., editor, Sedimentologic consequences of convulsive geologic
events. Geological Society of America Special Paper 229, p. 37-57.
Bruggman, P. E., Bacon,
C. R., Aruscavage, P. J., Lerner, R. W., Schwarz, L. J., and Stewart, K.
C., 1987, Chemical analyses of rocks and glass separates from Crater Lake
National Park and vicinity, Oregon:
U.S. Geological Survey Open-file report, 87‑57, 36 p.
Bacon, C. R., 1987, Mount Mazama and
Crater Lake caldera, Oregon: Geological
Society of America Centennial Field Guide, v. 1, p. 301-306.
Bacon, C. R., 1986, Magmatic inclusions
in silicic and intermediate volcanic rocks:
Journal of Geophysical Research,
v. 91, p. 6091-6112.
Druitt, T. H., and Bacon,
C. R., 1986, Lithic breccia and ignimbrite erupted during the collapse of
Crater Lake caldera, Oregon: Journal of Volcanology and Geothermal
Research, v. 29, p. 1-32.
Duffield, W. A., Bacon,
C. R., and Delaney, P. T., 1986, Deformation of poorly consolidated
sediment during shallow emplacement of a basalt sill, Coso Range,
California: Bulletin of Volcanology, v. 48, p. 97-107.
Bacon, C. R., 1988, Crater Lake: U.S. Geological Survey topographic map
Crater Lake National Park and Vicinity (extensive revision of original text by
Howel Williams on back of map), scale 1:62,500.
Novak, S. W., and Bacon,
C. R., 1986, Pliocene volcanic rocks of the Coso Range, Inyo County,
California: U.S. Geological Survey
Professional Paper 1383, 44 p.
Bacon, C. R., 1985, Implications of
silicic vent patterns for the presence of large crustal magma chambers: Journal
of Geophysical Research, v. 90, p. 11,243-11,252.
Bacon, C. R., and Metz, J., 1984,
Magmatic inclusions in rhyolites, contaminated basalts, and compositional
zonation beneath the Coso volcanic field, California: Contributions to Mineralogy
and Petrology, v. 85, p. 346-365.
Bacon, C. R., 1983, Eruptive history of
Mount Mazama and Crater Lake caldera, Cascade Range, U.S.A.: Journal
of Volcanology and Geothermal Research, v. 18, p.‑57‑115.
Dusel-Bacon, C., and Bacon,
C. R., 1984, Concordant bands of augen gneiss within metasedimentary rocks
in the Big Delta C-2 quadrangle, in Coonrad, W. L., and Elliot, R. L.,
eds., The United States Geological Survey in Alaska: Accomplishments during
1981, U.S. Geological Survey Circular 868, p. 48-50.
Muffler, L. J. P., Bacon,
C. R., and Duffield, W. A., 1982, Geothermal systems of the Cascade
Range: Proceedings of Pacific
Geothermal Conference 1982, Auckland, New Zealand, November 8-12, 1982,
p. 337-343.
Bacon, C. R., 1982, Time-predictable
bimodal volcanism in the Coso Range, California: Geology, v. 10,
p. 65-69.
Bacon, C. R., Giovannetti, D. M.,
Duffield, W. A., Dalrymple, G. B., and Drake, R. E., 1982, Age of the Coso
Formation, Inyo County, California:
U.S. Geological Survey Bulletin 1527, 18 p.
Bacon, C. R., Macdonald, R., Smith, R.
L., and Baedecker, P. A., 1981, Pleistocene high-silica rhyolites of the
Coso volcanic field, Inyo County, California:
Journal of Geophysical Research,
v. 86, p. 10223-10241.
Bacon, C. R., Kurasawa, H., Delevaux, M.
H., Kistler, R. W., and Doe, B. R., 1984, Lead and strontium isotopic evidence
for crustal interaction and compositional zonation in the source regions of
Pleistocene basaltic and rhyolitic magmas of the Coso volcanic field, California: Contributions
to Mineralogy and Petrology, v. 85, p. 366-375.
Plouff, D. W., Isherwood, W.
F., Bacon, C. R., Duffield, W. A., and Van Buren, H. M., 1980, Bulk
density and magnetization measurements near the Coso Range, California: U.S. Geological Survey Open-File Report
80-61, 5 p.
Bacon, C. R., 1980, Goals are set for
research in Cascades: Geotimes, v. 25, p. 16-18.
(results of Cascade Conference in Menlo Park)
Duffield, W. A., and Bacon,
C. R., 1981, Geologic map of the Coso volcanic field and adjacent areas,
Inyo County, California: U.S.
Geological Survey Miscellaneous Investigations Map I-1200, scale 1:50,000.
Bacon, C. R., and Duffield, W. A., 1981,
Late Cenozoic rhyolites from the Kern Plateau, southern Sierra Nevada,
California: American Journal of Science, v. 280, p. 1‑34.
Duffield, W. A., Bacon,
C. R., and Dalrymple, G. B., 1980, Late Cenozoic volcanism, geochronology,
and structure of the Coso Range, Inyo County, California: Journal
of Geophysical Research, v. 85, p. 2381-2404.
Bacon, C. R., Duffield, W. A., and
Nakamura, K., 1980, Distribution of Quaternary rhyolite domes of the Coso
Range, California: implications for
extent of the geothermal anomaly: Journal of Geophysical Research,
v. 85, p. 2425-2433.
Duffield, W. A., Bacon,
C. R., and Roquemore, G. R., 1979, Origin of reverse-graded bedding in
air-fall pumice, Coso Range, California:
Journal of Volcanology and
Geothermal Research, v. 5, p. 35-48.
Bacon, C. R., 1977, High temperature
heat content and heat capacity of silicate glasses: experimental determination and a model for calculation: American
Journal of Science, v. 277, p. 109-135.
Bacon, C. R., 1975, High-temperature
heat capacity of silicate glasses:
Ph.D. Thesis, University of California, Berkeley, 62 p.
Bacon, C. R., and Carmichael, I. S. E.,
1973, Stages in the P-T path of ascending basalt magma: an example from San Quintin, Baja
California: Contributions to Mineralogy and Petrology, v. 41,
p. 1-22.