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Publications

PLUTONS papers:

37. Kaiser, J. F., S. de Silva, A. K. Schmitt, R. Economos, M. Sunagua, Million-year melt-presence in monotonous intermediate magma for a volcanic-plutonic assemblage in the central Andes: Contrasting histories of crystal-rich and crystal-poor super-sized silicic magmas, in press, Earth and Planetary Science Letters

36. Decelerating uplift at Lazufre Volcanic Center, Central Andes, from 2010-2016, and implications for geodetic models, Scott Henderson, Francisco Delgado, Julie Elliott, Matt E. Pritchard, Paul R. Lundgren, SUBMITTED

35. Kukarina, E., M. E. West, L. H. Keyson, I. Koulakov, L. Tsibiov, and S. Smirnov, this issue, Focused magmatism beneath Uturuncu volcano: insights from seismic tomography and  deformation modeling SUBMITTED

34. "Geochemistry and Petrology of the Lazufre Volcanic complex: Evidence for diverse petrogenetic processes and sources in the Andean Central Volcanic Zone." Alicia Wilder,Gary Michelfelder, David Mogk, Todd Feeley SUBMITTED

33. Introduction: PLUTONS: Investigating the Relationship Between Pluton Growth and Volcanism in the central Andes, M. E. Pritchard, S. L. de Silva, G. Michelfelder, G. Zandt, S. R. McNutt, J. Gottsmann, M. E. West, J. Blundy, D. H. Christensen, N. J. Finnegan, E. Minaya, R. S. J. Sparks, M. Sunagua, M. J. Unsworth, M. J. Comeau, R. del Potro, M. Diez, A. Farrell, S. T. Henderson, J. A. Jay, H. McFarlin, D. Muir, J. P. Perkins, K. M. Ward, et al. SUBMITTED

32.  Magma mush reorganization and the large Altiplano-Puna deformation anomaly: insights from thermomechanical modelling: Gottsmann, Blundy, Henderson, Sparks, Pritchard, SUBMITTED

31. Oligo-Holocene evolution of the southern part of the Central Andes: volcanism and tectonic, Jose Antonio Naranjo et al. SUBMITTED

30. "Miocene to Recent geological evolution of the Lazufre segment in the Andean volcanic arc ", José Antonio Naranjo, Víctor Villa, Cristián Ramírez and Carlos Pérez de Arce SUBMITTED

29. A one-dimensional seismic model for Uturuncu volcano, Bolivia, and its impact on full moment tensor inversions, Weisen Shen et al SUBMITTED

28. Seismic Attenuation, Time Delays and Raypath Bending of Teleseisms Beneath Cerro Uturuncu, Bolivia, Alexandra Kathryn Farrell, and Stephen R McNutt, SUBMITTED

27. Michelfelder, G. S., Wilder, A. D., Grunder, A., & Larson, P. (2016). Dedication: In memory of Todd Christian Feeley (1961–2015). Geosphere, GES01346-1.

26. Perkins, J. P., Ward, K. M., De Silva, S. L., Zandt, G., Beck, S. L., & Finnegan, N. J. (2016). Surface uplift in the Central Andes driven by growth of the Altiplano Puna Magma Body. Nature Communications7, 13185.

25. Laumonier, M., Gaillard, F., Muir, D., Blundy, J., & Unsworth, M. (2016). Giant magmatic water reservoirs at mid-crustal depth inferred from electrical conductivity and the growth of the continental crust. Earth and Planetary Science Letters.

24. Alvizuri, Celso, and Carl Tape. "Full moment tensors for small events (Mw< 3) at Uturuncu volcano, Bolivia." Geophysical Journal International 206.3 (2016): 1761-1783.

23. Henderson, S. T., and M. E. Pritchard, Time dependent deformation of Uturuncu Volcano, Bolivia constrained by GPS and InSAR measurements and implications for source models, SUBMITTED to Geosphere special volume

22. Pritchard, M. E., and P. M. Gregg, Geophysical evidence for silicic crustal melt: Where, what kind, and how much?,  Elements, April, 2016

21. Kern, J. M., de Silva, S. L., Schmitt, A. K., Kaiser, J. F., Iriarte, A. R., & Economos, R. (2016). Geochronological imaging of an episodically constructed subvolcanic batholith: U-Pb in zircon chronochemistry of the Altiplano-Puna Volcanic Complex of the Central Andes. Geosphere, GES01258-1.

20. Comeau, M. J., Unsworth, M. J., & Cordell, D. (2016). New constraints on the magma distribution and composition beneath Volcán Uturuncu and the southern Bolivian Altiplano from magnetotelluric data. Geosphere12(5), 1391-1421.

19. Perkins, J. P., Finnegan, N. J., Henderson, S. T., & Rittenour, T. M. (2016). Topographic constraints on magma accumulation below the actively uplifting Uturuncu and Lazufre volcanic centers in the Central Andes. Geosphere,12(4), 1078-1096.

18. Michelfelder, G. Alicia Wilder, Todd Feeley  “Crustal Differentiation Processes at Cerro Uturuncu, Andean Central Volcanic Zone, SW Bolivia: Insights from In situ Isotopic analyses of plagioclase phenocrysts” SUBMITTED, Geosphere special issue

17. Spica, Z. et al., Hydrothermal and magmatic reservoirs at Lazufre volcanic area, revealed by a high-resolution seismic noise tomography, Earth & Planetary Science Letters, vo. 421, 27-38 (2015)

16. Burns, D. H., S. L. de Silva, F. Tepley, Axel K. Schmitt, M. W. Loewen, Recording the transition from flare-up to steady-state arc magmatism at the Purico-Chascon volcanic complex, northern Chile,  Earth & Planetary Science Letters, vol. 422p. 75-86, 2015

15. Perkins, J. P., N. J. Finnegan, S. L. de Silva, Amplification of bedrock canyon incision by wind, Nature Geoscience, doi: 10.1038/NGEO2381, 2015

14.  Comeau, M. J. M. J. Unsworth, F. Ticona, and M. Sunagua, Magnetotelluric images of magma distribution beneath  Volcan Uturuncu, Bolivia : Implications for magma dynamics, Geology, doi: 10.1130/G36258, 2015

13. Ward, K. M., Zandt, G., Beck, S. L., Christensen, D. H., & McFarlin, H. (2014). Seismic imaging of the magmatic underpinnings beneath the Altiplano-Puna volcanic complex from the joint inversion of surface wave dispersion and receiver functions. Earth and Planetary Science Letters, 404, 43-53.

12. Michelfelder, Gary S., Todd C. Feeley, and Alicia D. Wilder. "The Volcanic Evolution of Cerro Uturuncu: A High-K, Composite Volcano in the Back-Arc of the Central Andes of SW Bolivia." International Journal of Geosciences 5.11 (2014): 1263.

11. McLeod, C. L., Davidson, J. P., Nowell, G. M., de Silva, S. L., & Schmitt, A. K.. "Characterizing the continental basement of the Central Andes: Constraints from Bolivian crustal xenoliths.," Geological Society of America Bulletin,, v.125, 2013, p. 985.

10. Muir, D. D., Blundy, J. D., Rust, A. C., & Hickey, J. (2014). Experimental constraints on dacite pre-eruptive magma storage conditions beneath Uturuncu volcano. Journal of Petrology55(4), 749-767.

9. Muir, D. D., Blundy, J. D., Hutchinson, M. C., & Rust, A. C. (2014). Petrological imaging of an active pluton beneath Cerro Uturuncu, Bolivia.Contributions to Mineralogy and Petrology167(3), 1-25.

8. Gregg, P. M., de Silva, S. L., & Grosfils, E. B. (2013). Thermomechanics of shallow magma chamber pressurization: Implications for the assessment of ground deformation data at active volcanoes. Earth and Planetary Science Letters384, 100-108.

7. Potro, R., Díez, M., Blundy, J., Camacho, A. G., & Gottsmann, J. (2013). Diapiric ascent of silicic magma beneath the Bolivian Altiplano. Geophysical Research Letters40(10), 2044-2048.

6. Michelfelder, G. S., Feeley, T. C., Wilder, A. D., & Klemetti, E. W. (2013). Modification of the Continental Crust by Subduction Zone Magmatism and Vice-Versa: Across-Strike Geochemical Variations of Silicic Lavas from Individual Eruptive Centers in the Andean Central Volcanic Zone. Geosciences,3(4), 633-667.

5. Hickey J, Gottsmann J, del Potro R (2013) The large-scale surface uplift in the Altiplano-Puna region of Bolivia: A parametric study of source characteristics and crustal rheology using finite element analysis. Geochemistry, Geophysics, Geosystems 14(3):540-555

4. Henderson, S. T. and M. E. Pritchard(2013) Decadal volcanic deformation in the Central Andes Volcanic Zone revealed by InSAR time series. Geochemistry, Geophysics, Geosystems. doi: 10.1002/ggge.20074

3. Gregg, P. M., S. L. de Silva, E. B. Grosfils, J. P. Parmigiani, (2012) Catastrophic caldera-fornimg eruptions: Thermomechanics and implications for eruption triggering and maximum caldera dimensions on Earth, Journal of Volcanology and Geothermal Research, 241-242, p. 1-12.

2. Jay, J.A., M. E. Pritchard,M. E. West, D. H. Christensen, M. Haney, E. Minaya, M. Sunagua, S. R. McNutt, and M. Zabala (2012) Shallow seismicity, triggered seismicity, and ambient noise tomography at the long-dormant Uturuncu volcano, Bolivia. Bulletin of Volcanology. 74, p. 817-837, doi: 10.1007/s00445-011-0568-7

1. Guijón, R., Henríquez, F. and Naranjo, J.A. (2011) Geological, Geographical and Legal Considerations for the Conservation of Unique Iron Oxide and Sulphur Flows at El Laco and Lastarria Volcanic Complexes, Central Andes, Northern Chile. Geoheritage. DOI: 10.1007/s12371-011-0045-x

This publication presents results from our reconnaissance trip to Uturuncu volcano in 2003:

Sparks, R. S. J., C. B. Folkes, M. C. S. Humphreys, D. Barford, J. Clavero, S. Mayel, S. R. McNutt, and M. E. Pritchard (2008) Uturuncu volcano, Bolivia: Volcanic unrest due to mid-crustal magma intrusion, American Journal of Science, 308, 727-769.


The following publication presents the latest geochronological data for the Altiplano Puna Volcanic Complex within which Uturuncu is situated. As such it provides the regional stratigraphic and volcanological context to the PLUTONS project.

Salisbury, M.J#., Jicha, B.R., de Silva, S.L., Singer, B.S., Jimenez, N.C., and Ort, M.H., 2010. 40Ar/39Ar chronostratigraphy of Altiplano-Puna volcanic complex ignimbrites reveals the development of a major magmatic province.  Geological Society of America Bulletin, doi:10.1130/B30280.1


While this paper is not formally part of the PLUTONS project, it does use PLUTONS samples and data:

Laumonier, Mickael, Fabrice Gaillard, and David Sifre. "The effect of pressure and water concentration on the electrical conductivity of dacitic melts: Implication for magnetotelluric imaging in subduction areas." Chemical Geology 418 (2015): 66-76.

 

Conference abstracts related to the PLUTONS project

Sims, Christensen, and Moore-Driscoll (2015), DI21A-2588: Shear Wave Splitting Observations Beneath Uturuncu Volcano, Bolivia, American Geophysical Union, Fall Meeting, San Francisco, CA
 
Alvizuri & Tape (2015)  S51A-2658: A Catalog of Moment Tensors and Source-type Characterization for Small Events at Uturuncu Volcano, Bolivia, American Geophysical Union, Fall Meeting, San Francisco, CA
 
 
Perkins, Ward, de Silva, Zandt, Beck & Finnegan (2015)  T33G-05: Melt production constrained by the topographic signature of the Altiplano-Puna Magma Body, American Geophysical Union, Fall Meeting, San Francisco, CA
 
 
Pritchard et al. (2015) V34B-02: Multi-sensor geophysical constraints on crustal melt in the central Andes: the PLUTONS project,  American Geophysical Union, Fall Meeting, San Francisco, CA
 
 
Michelfelder and Feeley (2015)  V51G-3117: Sr and O Isotope Geochemistry of Volcán Uturuncu, Andean Central Volcanic Zone, Bolivia: Resolving Crustal and Mantle Contributions to Continental Arc Magmatism,  American Geophysical Union, Fall Meeting, San Francisco, CA
 
 
Henderson et al., (2014)  Observations and models of ground deformation from the PLUTONS Project: Lazufre and Uturuncu, Central AndesAbstract V23F-01 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.
 
 
Perkins & Finnegan (2014)  Transient surface deformation over thousand-year timescales at Uturuncu volcano, Bolivia, Abstract V23F-02 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.
 
 
Diez & del Potro (2014) Dynamics of the Active Altiplano Puna Magmatic Body: Large-Scale Melt Transport and Buoyant Upwelling, Abstract V23F-03 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.
 
McFarlin et al., (2014) Receiver Function Analyses of Uturuncu Volcano, Bolivia and Lastarria/Cordon Del Azufre Volcanoes, Chile, Abstract V31E-4792 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.
 
Farrell & McNutt (2014) Reflected Phases Apparent in Local Event Seismograms at Uturuncu Volcano, Bolivia, Abstract V31E-4794 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.
 
Michelfelder, Wilder & Feeley (2014) Geochemical and Isotopic Data from Micron to Across-Arc Scales in the Andean Central Volcanic Zone: Applications for Resolving Crustal Magmatic Differentiation and Modification Processes, Abstract V31E-4797 presented at 2014 Fall Meeting, AGU, San Francisco, Calif., 15-19 Dec.
 
Alvizuri, C. R.Tape, C. (2013) Full moment tensor inversion using body waves and surface waves: examples from Uturuncu volcano, Bolivia (asbtract S11B-2334) American Geophysical Union, Fall Meeting, San Francisco, CA
 
Bruton, C. P.West, M. E. (2013) Automatic Classification of Volcanic Earthquakes Using Multi-Station Waveforms and Dynamic Neural Networks (abstract S51A-2335)  American Geophysical Union, Fall Meeting, San Francisco, CA
 
Henderson, S. T.Pritchard, M. E.Elliott, J. (2013) Quantifying crustal response to deep active intrusions with geodesy-based finite element modeling (abstract V12B-07) American Geophysical Union, Fall Meeting, San Francisco, CA
 
West, M. E.Kukarina, E.Koulakov, I. (2013) Structure of Uturuncu volcano from seismic tomography (abstract V13B-2600) American Geophysical Union, Fall Meeting, San Francisco, CA
 
Unsworth, M. J.Comeau, M.Ticona, F. (2013) Distribution of melt beneath the Altiplano-Puna volcanic complex from magnetotelluric data (abstract V13B-2601) American Geophysical Union, Fall Meeting, San Francisco, CA
 
Keyson, L.West, M. E. (2013) Earthquake sources near Uturuncu Volcano (abstract V13B-2603) American Geophysical Union, Fall Meeting, San Francisco, CA
 
Farrell, A. K.McNutt, S. R. (2013) Analysis of Amplitude Attenuation at Uturuncu Volcano, Bolivia (abstract V13B-2604)  American Geophysical Union, Fall Meeting, San Francisco, CA
 
Hickey, J.Gottsmann, J. deformation (2013) Benchmarking and developing numerical Finite Element models of volcanic  (abstract V51E-2732) American Geophysical Union, Fall Meeting, San Francisco, CA
 
Del Potro, R.Diez, M.Muller, C.Perkins, J. P.Finnegan, N. J.Gottsmann, J. (2013) Long-lived large-scale ground deformation caused by a buoyantly rising magma resevoir (abstract V51E-2752) American Geophysical Union, Fall Meeting, San Francisco, CA
 
Michelfelder, G. et al., (2013) Mixing following assimilation-fractional crystallization at Cerro Uturuncu, Andean Central Volcanic Zone, SW Bolivia as revealed from in situ laser ablation isotopic analysis of plagioclase (abstract 1847-1) IAVCEI Scientific Assemby, Kagoshima, Japan.

 

del Potro, R., et al., (2013) Active diapiric ascent of silicic magma beneath the Bolivian Altiplano (abstract 1561-1) IAVCEI Scientific Assemby, Kagoshima, Japan.

 

Pritchard, M. E., M. E. West, D. H. Christensen, R. del Potro, J. Gottsmann, M. Unsworth, E. Minaya, M. Sunagua, S. R. McNutt, J. A. Jay, S. T. Henderson, Q. Yu, A. K. Ferrell, S. Barrientos, M. Comeau, Combined geophysical constraints on magmatism in the continental crust of volcanic arcs: Focus on the PLUTONS project in the central Andes (abstract 1575-2),  IAVCEI Scientific Assemby, Kagoshima, Japan.

 

Muir, D. et al.,  (2013) Experimental constraints on the Altiplano-Puna Magma Body: a dacite factory in the Central Andean Volcanic Zone (abstract 1417-1) IAVCEI Scientific Assemby, Kagoshima, Japan.

 

 

Henderson, S. T., and M. E. Pritchard (2013) Viscoelastic finite element models of an active magmatic intrusion at Uturuncu Volcano, Bolivia: Insights into vertical ascent through stratified continental crust,  IAVCEI Scientific Assemby, Kagoshima, Japan.

Unsworth, M. et al., (2013) Geophysical and laboratory constraints on the size and composition of crustal magma bodies, IAVCEI Scientific Assemby, Kagoshima, Japan.

 

Perkins, J. and N. J. Finnegan (2013) Geomorphic constraints on the Pleistocene growth of Uturuncu Volcano, Bolivia, IAVCEI Scientific Assemby, Kagoshima, Japan.

Comeau, M. et al., (2013) Magnetotelluric images of magma distribution beneath Volcan Uturuncu, Bolivia,  IAVCEI Scientific Assemby, Kagoshima, Japan.

James Hickey, Jo Gottsmann, Rodrigo del Potro (2013) Deep magmatic unrest: ground uplift and magma rise at Uturuncu volcano, IAVCEI Scientific Assemby, Kagoshima, Japan.


Matthew E. Pritchard; David Krzesni; Nicole Button; Mark Welch; Jennifer Jay; Scott Henderson; Bianca Glass; Vicente Soler; Alvaro Amigo; Mayel Sunagua; Estela Minaya; Jorge E. Clavero; Sergio E. Barrientos (2012)
V53B-2817. Reconnaissance seismology at nine volcanoes of the central Andes, Fall Meeting, AGU, San Francisco, Calif.

Cooksey, S, D. H. Christensen, and M. E. West (2012) Imaging the mid-crustal low velocity zone of the Altiplano-Puna magma body (Uturuncu volcano) in southern Bolivia from receiver functions (abstract V31B-2777)   Fall Meeting, AGU, San Francisco, Calif.
 
Farrell, A K, S. R. McNutt, and M. E. West (2012) Amplitude Comparison of Teleseismic P-Wave Phases from the Japan Subduction Zone and the South Sandwich Islands recorded at Uturuncu Volcano, Bolivia (abstract V31B-2779) Fall Meeting, AGU, San Francisco, Calif.
 
Henderson, S. T., M. E. Pritchard, Diez, M., del Porto, R., (2012)   Geodetic observations and finite element models of a voluminous active intrusion: Uturuncu Volcano, Bolivia (abstract V31B-2776) Fall Meeting, AGU, San Francisco, Calif.
 
West, M E, Christensen, D H, Pritchard, M E, Del Potro, R, Gottsmann, J, Unsworth, M, Minaya, E, Sunagua, M, McNutt, S R, Yu, Q and Farrell, A K (2012) Magma intrusion and accumulation in the southern Altiplano: Structural observations from the PLUTONS project (asbtract V31B-2787) Fall Meeting, AGU, San Francisco, Calif.
 
Hickey, J.; Gottsmann, J.; del Potro, R. (2012) What's causing the world's largest deformation anomaly in southern Bolivia? Insights from Finite Element Analysis (abstract EGU2012-2888), EGU General Assembly 2012, held 22-27 April, 2012 in Vienna, Austria., p.2888

 

M. Pritchard, J. Jay, S. Henderson, S. McNutt, M. West, D. Christensen, M. Haney, S. de Silva, M. Unsworth, N. Finnegan, R. del Potro, J. Gottsmann, D. Muir, J. Blundy, M. Sunagua, E. Minaya, T. Feeley, G. Michelfelder, J. Clavero, J. A. Naranjo, (2012) PLUTONS: Imaging Deep Active Magma Intrusions in the Central Andes (abstract T4.P15) Congreso Geológico Chileno XIII.

de Silva, S., S. R. McNutt, M. E. Pritchard, N. J. Finnegan, T. Feeley, M. Unsworth, J. Gottsmann, J. Blundy, M. Sunagua, and E. Minaya (2012) PLUTONS: Monitoring Deep Active Intrusion Beneath Uturuncu Volcano in the Central Andes of SW Bolivia (abstract SE105-A011), AOGS-AGU Joint Assembly, Singapore

 D.D. Muir; J.D. Blundy; A. Rust; R. Brooker (2011)  Petrological and experimental phase equilibria constraints on magma storage conditions beneath Cerro Uturuncu, Bolivia (abstract V53B-2604) Fall Meeting, AGU, San Francisco, Calif.

 J. Hickey; J. Gottsmann; R. del Potro (2011) Ground Deformation At Uturuncu Volcano, Bolivia: Insights From Finite Element Analysis (abstract V53C-2641) Fall Meeting, AGU, San Francisco, Calif. 

 G. Arnoux; G. Michelfelder; T. Feeley (2011) PETROGRAPHIC AND GEOCHEMICAL ANALYSES OF MAFIC ENCLAVES FROM
UTURUNCU VOLCANO, SW BOLIVIA(abstract
V43B-2574) Fall Meeting, AGU, San Francisco, Calif. 

 S.T. Henderson; M.E. Pritchard (2011) Characterizing Magmatic Sources in the Central Andes Volcanic Zone with a Regional InSAR Time Series Survey. (abstract S34B-03) Fall Meeting, AGU, San Francisco, Calif.

R. del Potro; M. Diez; J. Gottsmann; A.J. Camacho; M. Sunagua (2011) Gravimetric imaging of partially molten bodies beneath the Bolivian Altiplano (abstract S31B-2237) Fall Meeting, AGU, San Francisco, Calif.

M. Diez; R. del Potro; J. Gottsmann  (2011)  Mechanics of magma ascent beneath the Altiplano-Puna Volcanic Complex, Central Andes, Bolivia: igneous diapirism through the upper crust? (abstract V33C-2669) Fall Meeting, AGU, San Francisco, Calif.

del Potro, R., J. Gottsmann, A. Camancho, D. D. Muir, M. Sunagua (2011) Deep structure beneath Uturuncu volcano in the central Andes: Insights from new density anomaly models.  Abstract EGU2011-8541-1, EGU General Assembly

Christensen, D H., Z. A. Chartrand, J. Jay, M. E. Pritchard, M. E. West, S. R. McNutt (2010) Seismicity at Uturuncu Volcano, Bolivia: Volcano-Tectonic Earthquake Swarms Triggered by the 2010 Maule, Chile Earthquake and Non-Triggered Background Activity. Abstract   G33A-0845 presented at Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.

Michelfelder, G., T. Feeley (2010) Cerro Uturuncu SW Bolivia: Preliminary Observations from Field work, Geochemistry and Petrology. (2010)  Abstract  V23B-2441 presented at Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.

del Potro, R., J. Gottsmann, A. Camancho, D. D. Muir, M. Sunagua (2010) Gravity anomaly of a deep active intrusion beneath Uturuncu volcano in the central Andes. Abstract  G23C-0849 presented at Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.

del Potro, Rodrigo; Gottsmann, Joachim; Camacho, Antonio; Sunagua, Mayel (2010) Gravity signature of a large active intrusion in the central Andes. EGU General Assembly 2010, held 2-7 May, 2010 in Vienna, Austria, p.11220

 

Caricchi, L., C. Annen, J. D. Blundy, J. Biggs, J. Gottsmann (2010) The implications of re-melting and crystallization for estimating magma fluxes from geodeticobservations. Abstract  V53B-2241 presented at Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec.

Pritchard, M. E., J. A. Jay, M. E. West, D. Christensen, M. Sunagua, E. Minaya, M. Haney, S. T. Henderson, S. R. McNutt, T. J. Fournier, J. Clavero, J. A. Naranjo, and J. Gottsmann. (2010) Geophysical evidence for current magma accumulation in the continental crust: Examples from the Andes. British Geophysical Association, New Advances in Geophysics Meeting: "Magma Emplacement and Storage in the Earth's Crust", London. http://see.leeds.ac.uk/~eartjw/nag2010/NAG2010-abstracts.pdf