Rita C. Economos
Department of Earth and Space Sciences
University of California, Los Angeles
595 Charles Young Drive East, Box 951567
Los Angeles, CA 90095
617-767-7482 economos@ucla.edu
http://sims.ess.ucla.edu/economos
Education:





Staff Research Scientist, October, 2012 – Current, University of California, Los Angeles, CA
Post-doctoral Researcher, August 2010 – Sept. 2012, University of California, Los Angeles, CA
Post-doctoral Researcher, July 2009 – June 2010, Indiana Univ.-Purdue Univ. Indianapolis, IN
Ph.D., 2009, University of Southern California, Los Angeles, CA
B.A., 2001, Mount Holyoke College, South Hadley, MA, Graduated Cum Laude
Grants and Awards:








National Geographic Research and Exploration Grant, 2012
National Science Foundation, Doctoral Dissertation Enhancement Proposal, 2008
USC, College of Arts, Letters and Sciences summer travel fellowship, 2008
USC, College of Arts, Letters and Sciences diversity fellowship, 2007
Geological Society of America, research grant, 2007
Earth Sciences Department award for teaching excellence, 2003, 2004, 2007, 2008
Research Grant (2004,5), USC Dept of Earth Sciences, graduate student research fund
Keck Fellowship, for academic excellence, 2003 from USC
Teaching Experience:






Instructor: Indiana University-Purdue University Indianapolis
Introduction to Geochemistry for graduate/senior undergraduate students
Teaching assistant and course developer: University of Southern California
Structural Geology, Petrology, Nature of Scientific Inquiry, Multimedia in the Core: The intersection of
science and public policy
Teaching Assistant: University of Southern California
Mineralogy, Planet Earth, Crisis of a Planet
Mapping Experience:





Joshua Tree National Park, California, March, June 2009
Gobi-Tienshan intrusive complex, Gobi-Altai Province, Mongolia, July-August 2006, 2007, 2008
Chandman Massif, Gobi-Altai Province, Mongolia July-August, 2005
Tuolumne Batholith, Central Sierra Nevada Mountains, California, July-August, 2004
Sierra San Pedro Martir, Baja California, Mexico, May, 2004
Extra-departmental activities:








Session Chair, AGU, Fall 2011, Merging signals from the volcanic and plutonic realms
Participant, Biennial Geochemical SIMS workshop, 2011
Session Chair, Goldschmidt, 2010, Accessory Phase Elemental and Isotopic Geochemistry: MicroAnalytical Tools and Petrologic Applications
Session Chair, AGU, Fall 2008, Arc Crustal Cross-Sections: Studies in the 4d Evolution of Arcs
Short course participant, Minerals, Inclusions and Volcanic Processes, AGU, Fall, 2008
Field forum participant, Joshua Tree National Park and Orocopia Mountains, Spring 2007
Field forum participant, Spirit Mountain Batholith, Spring, 2007
Field forum participant, Rubey Mountains, Fall 2006
1
Publications:
Economos, R.C., Hanzl, P., Hrdlickova, K., Berianek, D., Said, L.O., Gerdes, A., Paterson, S.R., (2009)
Geochemical and structural constraints on the magmatic history of the Chandman Massif of the eastern
Mongolian Altay Range, SW Mongolia. Journal of Geosciences, Vol. 53, p. 335-352.
Economos, R.C., Paterson, S.R., Erdmann, S., Miller, J., Memeti, V., Zak, J., (2010) Causes of
compositional diversity in a lobe of the Half Dome Granodiorite, Tuolumne Batholith, Central Sierra
Nevada, CA. Earth and Environment Transactions of the Royal Society of Edinburgh, Vol. 100, p. 173 –
183.
Paterson, S.R., Okaya, D., Memeti, V., Economos, R.C., Miller, R.J., (2011) Magma addition and flux
calculations of incrementally constructed magma chambers in continental margin arcs: Combined field,
geochronologic and thermal modeling studies. Geosphere, Vol. 7, 1439-1468.
Economos, R.C., Paterson, S.R., Said, L.O., M.N. Ducea, Anderson, J.L., Padilla, A.J. (2012) GobiTianshan connections: Isotopes and field observations from an early Permian arc complex in SW
Mongolia. Geological Society of America Bulletin, currently available online, doi: 10.1130/B30634.1.
Accepted: Barth, A.P., Wooden, J.L., Jacobsen, C.E., Economos, R.C., Variations in the Cordilleran
magmatic arc: trace element geochemical evidence from zircons. Geology.
In Review: Economos, R.C., Barth, A.P., Wooden, J.L., Paterson, S.R., Wiegand, B., Anderson, J.L.,
Roell, J.L., Palmer, E.F., Ianno, A.J., Howard, K.A. Geochemical evolution of the structurally stratified
crust of a continental arc crustal section in the Eastern Transverse Ranges, California. Journal of
Petrology.
Published Abstracts:
Economos, R.C. (2012) Sulfur concentration and isotopic variation in apatites from granitic to granodioritic
plutons of a Cretaceous Cordilleran batholith, AGU Fall meeting, Dec. 3-7, 2012.
Carley, T.L., Miller, C.F., Padilla, A.J., Wooden, J.L., Bindeman, I., Schmitt, A.K., Economos, R.C.,
Fisher, C.M., Hanchar, J.M. (2012) Icelandic Zircon: Illuminating juvenile silicic crust construction, 22nd
V.M. Goldschmidt Conference, Montréal.
Padilla, A.J., Miller, C.F., Wooden, J.L., Carley, T.L., Economos, R.C., Schmitt, A.K., Fisher, C.M.,
Hanchar, J.M. (2012) Elucidating the complex thermal and fluid history of Austuthorn Intrusive Complex,
Iceland: zircon elemental and isotopic geochemistry, 22nd V.M. Goldschmidt Conference, Montréal.
Economos, R.C., Barth, A., Wooden, J., Chapman, A. (2011) Garnet formation and evolution in
cordilleran source rocks: inherited zircon trace element chemistry from the Transverse Ranges, CA,
T53A-2485, Fall Meeting, AGU.
Garrison, J., Korm, S., Schmitt, A., Economos, R.C. (2011) Miocene zircon crystals in dacite from
Ilopango caldera, El Salvador: Evidence for recycling of plutonic rocks, V33C-2648, Fall Meeting, AGU
Douglas, S., Riggs, N., Barth, A., Economos, R.C. (2011) The breccia of Frog Lakes: Record of mafic arc
magmatism in the Mesozoic Sierra Nevada, California, V21C-2506, Fall Meeting, AGU.
Economos, R.C., Barth, A., Wooden, J. (2010) Southern US Cordillera pre-magmatic zircons: Sounding
a Cordilleran source region, Geochemica et Cosmochemica Acta, Vol. 74, Issue 11, Supplement 1, p.
A258.
2
Economos, R.C., Barth, A.P., Wooden, J.L., Howard, K.A., Wiegand, B.A. (2010) Comparing batholithsource connections for the Cadiz Valley Batholith and a deeper sheeted intrusive complex in the Mojave
Desert, CA through whole rock and pre-magmatic zircon geochemistry, Abstract V51E-02 presented at
2010 Fall Meeting, AGU, 13-17 Dec.
Economos, R.C., Wooden, J.L., Barth, A. (2009) Insights into source variation for southern California
Cordilleran granites vs. granodiorites through zircon geochemistry, thermometry, and trace element
chemistry: A case study in Joshua Tree National Park, Geological Society of America Abstracts with
Programs, vol. 41, no. 7, p. 353.
Economos, R.C., Paterson, S.R. (2008) 4d Architectural Variation in the Gobi-Tienshan Intrusive
Complex, Southern Mongolia, EOS Trans. AGU, vol. 89, no. 53, Fall Meeting Supplement, Abstract
V33A-2209.
Padilla, A.J., Economos, R.C., Anderson, J.L., Paterson, S.R. (2008) Mafic-Felsic Magma Interactions in
an Enclave Megaplume, Gobi-Tienshan Intrusive Complex, Southern Mongolia, EOS Trans. AGU, vol.
89, no. 53, Fall Meeting Supplement, Abstract V33A-2208.
Anderson, J.L., Paterson, S.R., Zhang, T., Economos, R., Memeti, V., Pignotta, G.S., Mundil, R. (2008)
Downward crustal flow during magma ascent in the Central Sierran arc, EOS Trans. AGU, vol. 89, no. 53,
Fall Meeting Supplement, Abstract V43J-06.
Economos, R.C., Paterson, S.R., MacGillivray, H. (2008) Volcanic-plutonic Transition in the
Carboniferous Gobi-Tienshan Intrusive Complex, southern Mongolia, Geological Society of America
Abstracts with Programs, vol. 40, no. 6, p. 529.
Economos, R.C., Said, L.O.,Paterson, S.R., Anderson, J.L. (2007) Coeval Intrusion and Batholith-Wide
Mingling in the Gobi-Tienshan Intrusive Complex, Southern Mongolia, EOS Trans. AGU, vol. 88, no. 52,
Fall Meeting Supplement, Abstract V33C-1512.
Economos, R.C., Said, L. O., Paterson, S.R. (2007) Preliminary mapping, geochemical data and tectonic
setting of the Gobi-Tienshan tilted cotinental arc section, southern Mongolia, Abstract, Geological Society
of America Abstracts with Programs, vol. 39, no 6: p.238.
Economos, R.C., Miller, J.S., Paterson, S.R., Memeti, V., Erdmann, S., Zak, J. (2005) The Role of
Fractionation at the Emplacement Level in the Tuolumne Batholith, Sierra Nevada, CA, Geological
Society of America Abstracts with Programs, vol. 37, no. 7, p. 554.
Economos, R.C., Erdmann, S., Memeti, V., Paterson, S.R., Miller, R. (2005) Enigmatic East-West fabrics
in the Tuolumne Batholith; is there a tectonic significance?, Geological Society of America Abstracts with
Programs, vol. 37, no. 4, p. 71.
Memeti, V., Paterson, S.R., Economos, R.C., Zak, J., Erdmann, S. (2005) Deciphering Chamber Growth
and Internal Magma Chamber Processes Using Magmatic Lobes as Snapshots of Processes During the
Construction of the Tuolumne Batholith, Sierra Nevada. Geological Society of America Abstracts with
Programs, vol. 37, no. 7, p.554.
Memeti, V., Economos, R.C., Erdmann, S., Paterson, S.R., Miller, R.B. (2005) Regional and
emplacement related tectonism during intrusion of the Tuolumne Batholith; results forma the Benson
Lake and May Lake pendants, Sierra Nevada, California, Geological Society of America Abstracts with
Programs, vol. 37, no. 4, p. 70.
Paterson, S.R., Memeti, V., Zak, J., Matzel, J., Mundil, R., Miller, J., Miller, R., Burgess, S., Economos,
R.C., Anderson, J.L., (2007) Facing up to the complexity of batholiths construction; using the Tuolumne
Batholith (TB), Sierra Nevada, California as an example, Geological Society of America Abstracts with
Programs, vol. 39, no. 4, p. 22.
3
Collaborators:
J. Lawford Anderson, Boston University
Andrew Barth, Indiana University-Purdue University Indianapolis
Shan de Silva, Oregon State University
Mihai Ducea, University of Arizona
Ochir Gerel, Mongolian University of Science and Technology
Pavel Hanzl, Czech Geological Survey
Keith Howard, USGS
Jonathan Miller, San Jose State University
Scott Paterson, University of Southern California
Axel Schmitt, University of California, Los Angeles
Silvano Sinigoi, Università degli Studi di Trieste
Mark Thiemens, University of California, San Diego
James Quick, Southern Methodist University
Joe Wooden, Stanford University
References:
Kevin McKeegan
Department of Earth and Space Sciences
University of California, Los Angeles
595 Charles Young Drive East
Los Angeles, CA 90095
mckeegan@ess.ucla.edu
310-825-3580
Andrew Barth
Department of Earth Sciences
Indiana University-Purdue University Indianapolis
723 W. Michigan St. SL118
Indianapolis, IN 46202
Ibsz100@iupui.edu
317-274-1853
Mihai Ducea
Department of geosciences
University of Arizona
Gould-Simpson Building #77
1040 E. 4th St.
Tucson, AZ 85721
ducea@email.arizona.edu
520-621-5171
Scott R. Paterson (PhD Advisor)
Department of Earth Sciences
University of Southern California
3651 Trousdale Parkway, ZHS 117
Los Angeles, CA 90089-0740
paterson@usc.edu
213-740-6103
4