Development of a continental volcanic field: Petrogenesis of Pre-caldera intermediate and silicic rocks and origin of the Bandelier magmas, Jemez Mountains (New Mexico, USA)

Journal of Petrology

Volumn 48, Issue 11, 2007, Pages 2063-2091

  Rowe, M C ^a   Wolff, J A ^b   Gardner, J N ^c   Ramos, F C ^d   Teasdale, R ^e   Heikoop, C E ^f  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

^b WASHINGTON STATE UNIVERSITY   (United States)

^c LOS ALAMOS NATIONAL LABORATORY   (United States)

^d CENTRAL WASHINGTON UNIVERSITY   (United States)

^e CALIFORNIA STATE UNIVERSITY   (United States)

^f NONE   (United States)

Author keywords

Crustal anatexis; Fractional crystallization; Jemez Mountain Volcanic Field; Radiogenic isotopes; Trace elements; Valles Caldera

Indexed keywords

ANATEXIS; CALDERA; FRACTIONAL CRYSTALLIZATION; ISOTOPE; LAVA; MAGMA; MAGMATISM; MELTING; PETROGENESIS; TRACE ELEMENT; TUFF; VOLCANISM;

JEMEZ MOUNTAINS; NEW MEXICO; NORTH AMERICA; UNITED STATES;

EID: 35649011595     PISSN: 00223530     EISSN: 14602415     Source Type: Journal    
DOI: 10.1093/petrology/egm050     Document Type: Article

References (94)

1. Aldrich, M. J., Jr (1986). Tectonics of the Jemez lineament in the Jemez Mountains and Rio Grande rift. Journal of Geophysical Research 91, 1753-1762.
2. Aldrich, M. J., Jr, & Dethier, D. P. (1990). Stratigraphic and tectonic evolution of the northern Española basin, Rio Grande rift, New Mexico. Geological Sociey of America Bulletin 102, 1695-1705.
3. Ankeny, L. A., Braile, L. W & Olsen, K. H. (1986). Upper crustal structure beneath the Jemez Mountains volcanic field, New Mexico, determined by three-dimensional simultaneous inversion of seismic refraction and earthquake data. Journal of Geophysical Research 81, 6188-6198.
4. Aprea, C. M., Hildebrand, S., Fehler, M., Steck, L., Baldridge, W. S., Roberts, P., Thurber, C. H. & Lotter, W L. (2002). Three-dimensional Kirchhoff migration: Imaging of the jemez volcanic field using teleseismic data. Journal of Geophysical Research 107, doi:10.1029/2000JB000097.
5. 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.
6. Bacon, C. R. & Hirschmann, M. M. (1988). Mg/Mn partitioning as a test for equilibrium between coexisting Fe-Ti oxides. American Mineralogist 73, 57-61.
7. Bailey, R. A., Smith, R. L. & Ross, C. S. (1969). Stratigraphic nomenclature of volcanic rocks in the Jemez Mountains, New Mexico. US Geological Survey Bulletin 1274-P, 1-19.
8. Baldridge, W. S., Olsen, K. H. & Callender, J. F. (1984). Rio Grande rift: Problems and perspectives. In: Baldridge, W. S., Dickerson, P. W., Riecker, R. E. & Zidek, J. (eds) Rio Grande Rift: Northern New Mexico. New Mexico Geological Sociey 35th Field Conference Guidebook, pp. 1-12.
9. Beattie, P. (1993). The effect of partial melting of spinel peridotite on uranium series disequilibria: Constraints from partitioning studies. Earth and Planetary Science Letters 177, 379-391.
10. Bennett, V. C. & DePaolo, D. J. (1987). Proterozoic crustal history of the western United States as determined by neodymium isotopic mapping. Geological Sociey of America Bulletin 99, 674-685.
11. Bohrson, W. & Spera, F. (2001). Energy-constrained open-system magmatic processes II: Application of energy-constrained assimilation-fractional crystallization (EC-AFC) model to magmatic systems. Journal of Petrology 42, 1019-1041.
12. Bohrson, W. A. & Spera, F. J. (2003). Energy-constrained open-system magmatic processes IV. geochemical, thermal and mass consequences of energy-constrained recharge, assimilation and fractional crystallization (EC-RAFC). Geochemistry, Geophysics, Geosystems 4, doi:10.1029/2002GC000316.
13. Brookins, D. & Laughlin, A. W. (1983). Rb-Sr geochronological investigation of Precambrian samples from deep geothermal drill holes, Fenton Hill, New Mexico. Journal of Volcanology and Geothermal Research 15, 43-58.
14. Clarkson, G. & Reiter, M. (1984). Analysis of terrestrial heat-flow profiles across the Rio Grande rift and southern Rocky Mountains in northern New Mexico. In: Baldridge, W. S., Dickerson, P. W., Riecker, R. E. & Zidek, J. (eds) Rio Grande Rift: Northern New Mexico. New Mexico Geological Sociey 35th Field Conference Guidebook, pp. 39-44.
15. Dalrymple, G., Cox, G., Doell, R. & Gromme, C. (1967). Pliocene geomagnetic polarity epochs. Earth and Planetary Science Letters 2, 163-173.
16. DePaolo, D., Perry, F. & Baldridge, S. (1992). Crustal versus mantle sources of granitic magmas: A two-parameter model based on Nd isotopic studies. Transactions of the Royal Society of Edinburgh: Earth Sciences 83, 439-446.
17. Dethier, D. P. (1997). Geology of White Rock quadrangle, Los Alamos and Santa Fe Counties, New Mexico. New Mexico Bureau of Mines and Mineral Resources, Geologic Map 73, scale 1:24 000.
18. Dostal, J., Dupuy, C., Carron, J. P., Dekerneizon, M. L. & Maury, R. C. (1983). Partition coefficients of trace elements - application to volcanic rocks of St Vincent, West Indies. Geochimica et Cosmochimica Acta 47, 525-533.
19. Drake, M. J. (1975). The oxidation state of europium as an indicator of oxygen fugacity. Geochimica et Cosmochmica Acta 39, 55-64.
20. Duecker, K., Yuan, H. & Zurek, B. (2001). Thick-structured Proterozoic lithosphere of the Rocky Mountain region. GSA Today 11(12), 4-9.
21. Duncker, K. E. (1988). Trace element geochemistry and stable isotope constraints on the petrogenesis of Cerros del Rio lavas, Jemez Mountains, New Mexico. MS thesis, University of Texas at Arlington, 158 pp.
22. Duncker, K. E, Wolff, J. A., Harmon, R. S., Leat, P. T., Dickin, A. P. & Thompson, R. N. (1991). Diverse mantle and crustal components in lavas of the NW Cerros del Rio volcanic field, Rio Grande rift, New Mexico. Contributions to Mineralogy and Petrology 108, 331-345.
23. Dungan, M. A., Lindstrom, M. M., McMillan, N. J., Moorbath, S., Hoefs, J. & Haskin, L. (1986). Open system magmatic evolution of the Taos Plateau volcanic field, northern New Mexico I: The petrology and geochemistry of the Servilleta Basalt. Journal of Geophysical Research 91, 5999-6028.
24. Dunn, T. & Sen, C. (1994). Mineral/matrix partition coefficients for orthopyroxene, plagioclase, and olivine in basaltic to andesitic systems - a combined analytical and experimental study. Geochimica et Cosmochimica Acta 58, 717-733.
25. Eichelberger, J. C. & Koch, F. G. (1979). Lithic fragments in the Bandelier Tuff, Jemez Mountains, New Mexico. Journal of Volcanology and Geothermal Research 5, 115-134.
26. Ellisor, R., Wolff, J. A. & Gardner, J. N. (1996). Outline of the petrology and geochemistry of the Keres Group lavas and tuffs. In: Goff, F., Kues, B. S., Rogers, M. A., McFadden, L. D. & Gardner, J. N. (eds) The Jemez Mountains region. New Mexico Geological Society 47th Field Conference Guidebook, pp. 237-242.
27. Ewart, A. & Griffin, W. L. (1994). Application of proton-microprobe data to trace-element partitioning in volcanic rocks. Chemical Geology 117, 251-284.
28. Gardner, J. N. (1985). Tectonic and petrologic evolution of the Keres Group; Implications for the development of the Jemez volcanic field, New Mexico. PhD dissertation, University of California, Davis, 293 pp.
29. Gardner, J. N. & Goff, F. (1984). Potassium-argon dates from the Jemez volcanic field: Implications for tectonic activity in the north-central Rio Grande Rift. In: Baldridge, W. S., Dickerson, P. W., Riecker, R. E. & Zidek, J. (eds) Rio Grande Rift: Northern New Mexico. New Mexico Geological Sociey 35th Field Conference Guidebook, pp. 75-81.
30. Gardner, J. N. & Goff, F. (1996). Geology of the northern Valles caldera and Toledo embayment, New Mexico. In: Goff, F., Kues, B. S., Rogers, M. A., McFadden, L. D. & Gardner, J. N. (eds) The Jemez Mountains Region. New Mexico Geological Sociey 47th Field Conference Guidebook, pp. 225-230.
31. Gardner, J. N., Goff, F., Garcia, S. & Hagan, R. C. (1986). Stratigraphic relations and lithologic variations in the Jemez volcanic field, New Mexico. Journal of Geophysical Research 91, 1763-1778.
32. Gay, K. & Smith, G. (1993). Eruptive history for two volcanic vents as recorded in the Peralta Tuff, Jemez Mountains, New Mexico. New Mexico Geological Society annual spring meeting. New Mexico Geology 15 75.
33. Gibson, S., Thompson, R., Leat, P., Morrison, M., Hendry, G., Dickin, A. & Mitchell, J. (1993). Ultrapotassic mgamgatism along the flanks of the Oligo-Miocene Rio Grande Rift, USA: Monitors of the zone of lithospheric mantle extension and thinning beneath a continental rift. Journal of Petrology 34, 187-228.
34. Goff, F., & Gardner, J. N., (2004). Late Cenozoic geochronology of volcanism and mineralization in the Jemez Mountains and Valles Caldera, North Central New Mexico. In: Mack, G. & Giles, K. (eds) The Geology of New Mexico, A Geologic History. New Mexico Geological Society Special Publication 11, 295-312.
35. Goff, F., Gardner, J. N., Baldridge, W. S., Hulen, J. B., Nielson, D. L., Vaniman, D., Heiken, G., Dungan, M. A. & Broxton, D. (1989). Excursion 17B: Volcanic and hydrothermal evolution of Valles caldera and Jemez volcanic field. New Mexico Bureau of Mines and Mineral Resources Memoir 46, 381-434.
36. Goff, F., Gardner, J. N. & Valentine, G. (1990). Geology of St. Peter's Dome area, Jemez Mountains, New Mexico. New Mexico Bureau of Mines and Mineral Resources, Geologic Map 69, scale 1:24 000.
37. Haskin, L. A., Frey, F A., Schmitt, R. A. & Smith, R. H. (1966). Meteoritic, solar and terrestrial rare-earth distributions. Physics and Chemistry of the Earth 7, 167-321.
38. Hauri, E. H., Wagner, T. P. & Grove, T. L. (1994). Experimental and natural partitioning of Th, U, Pb and other trace elements between garnet, clinopyroxene and basaltic melts. Chemical Geology 117 149-166.
39. Heiken, G., Goff, F., Stix, J., Tamanyu, S., Shafiqullah, M., Garcia, S. & Hagan, R. (1986). Intracaldera volcanic activity, Toledo caldera and embayment, Jemez Mountains, New Mexico. Journal of Geophysical Research 91, 1799-1815.
40. Hildreth, W. (1981). Gradients in silicic magma chambers: Implications for lithospheric magmatism. Journal of Geophysical Research 86 10153-10192.
41. Hulen, J. B., Neilson, D. L. & Little, T. M. (1991). Evolution of the western Valles caldera complex, New Mexico: Evidence from intra-caldera sandstones, breccias, and surge deposits. Journal of Geophysical Research 96, 8127-8142.
42. Johnson, C., Lipman, P. & Czamanske, G. (1990). H, O, Sr, Nd, and Pb isotope geochemistry of the Latir volcanic field and cogenetic intrusions, New Mexico, and relations between evolution of a continental magmatic center and modifications of the lithosphere. Contributions to Mineralogy and Petrology 104, 99-124.
43. Justet, L. (2003). Effects of basalt intrusion on the multi-phase evolution of the Jemez volcanic field, NM. PhD dissertation, University of Nevada, Las Vegas, 248 pp.
44. Justet, L. & Spell, T. (2001). Effusive eruptions from a large silicic magma chamber: The Bearhead Rhyolite, Jemez volcanic field, NM. Journal of Volcanology and Geothermal Research 107, 241-264.
45. Karlstrom, K. E., Bowring, S. A. & Chamberlain, K. R. (2002). Structure and evolution of the lithosphere beneath the Rocky Mountains: Initial results from the CD-ROM experiment. GSA Today 12(3), 4-10.
46. Laughlin, A. W., Eddy, A. C., Laney, R. & Aldrich, M. J. (1983). Geology of the Fenton Hill, New Mexico, hot dry rock site. Journal of Volcanology and Geothermal Research 15, 21-41.
47. LeBas, M. J., Le Maitre, R. W., Streckeisen, A. & Zanettin, B. (1986). A chemical classification of volcanic rocks based on the total alkali-silica diagram. Journal of Petrology 27, 745-750.
48. Leudke, R. & Smith, R. (1978). Map showing distribution, composition and age of late Cenozoic volcanic centers in Arizona and New Mexico. US Geological Survey Miscellaneous Investigations Map I-1091-A.
49. Loeffler, B., Vaniman, D., Baldridge, W. & Shafiqullah, M. (1988). Neogene rhyolites of the Northern Jemez Volcanic Field, New Mexico. Journal of Geophysical Research 93, 6157-6167.
50. Luhr, J. F. & Carmichael, I. S. E. (1980). The Colima volcanic complex, Mexico. I: Post-caldera andesites from Volcan Colima. Contributions to Mineralogy and Petrology 71, 343-372.
51. Magnani, M. B., Miller, K. C., Levander, A. & Karlstrom, K. (2004). The Yavapai-Mazatzal boundary: A long-lived tectonic element in the lithosphere of southwestern North America. Geological Society of America Bulletin 116, 1137-1142.
52. Mahood, G. A. & Hildreth, E. W. (1983). Large partition coefficients for trace elements in high-silica rhyolites. Geochimica et Cosmochimica Acta 47, 11-30.
53. McMillan, N. J. (1998). Temporal and spatial magmatic evolution of the Rio Grande rift. In: Mack, G. (ed.) Las Cruces Country II. New Mexico Geological Society 49th Field Conference Guidebook, pp. 107-116.
54. McMillan, N. J. & Dungan, M. A. (1988). Open system magmatic evolution of the Taos Plateau volcanic field, northern New Mexico: 3. Petrology and geochemistry of andesite and dacite. Journal of Petrology 29, 527-557.
55. Miller, C. F., McDowell, S. M. & Mapes, R. W. (2003). Hot and cold granites? Implications of zircon saturation temperatures and preservation of inheritance. Geology 31, 529-532.
56. Morgan, P. & Golombek, M. P. (1984). Factors controlling the phases and styles of extension in the northern Rio Grande rift. In: Baldridge, W. S., Dickerson, P. W., Riecker, R. E. & Zidek, J. (eds) Rio Grande Rift: Northern New Mexico. New Mexico Geological Society 35th Field Conference Guidebook, pp. 13-19.
57. Morgan, P., Seager, W. R. & Golombek, M. P. (1986). Cenozoic thermal, mechanical and tectonic evolution of the Rio Grande rift. Journal of Geophysical Research 91, 6263-6276.
58. Nicholls, I. A. & Harris, K. L. (1980). Experimental rare earth element partition coefficients for garnet, clinopyroxene and amphibole coexisting with andesitic and basaltic liquids. Geochimica et Cosmochimica Acta 44, 287-308.
59. Nowell, D. A. G. (1996). Gravity modelling of the Valles caldera. In: Goff, F, Kues, B. S., Rogers, M. A., McFadden, L. D. & Gardner, J. N. (eds) The Jemez Mountains Region. New Mexico Geological Society 47th Field Conference Guidebook, pp. 121-128.
60. Okamoto, K. (1979). Geochemical study on magmatic differentiation of Asama Volcano, central Japan. Journal of the Geological Society Japan 85, 525-535.
61. Perry, F, DePaolo, D. & Baldridge, S. (1993). Neodymium isotopic evidence for decreasing crustal contributions to Cenozoic ignimbrites of the western United States: Implications for the thermal evolution of the Cordilleran crust. Geological Society of America Bulletin 105 872-882.
62. Philpotts, J. A. & Schnetzler, C. C. (1970). Phenocryst-matrix partition coefficients for K, Rb, Sr and Ba, with applications to anorthosite and basalt genesis. Geochimica et Cosmochimica Acta 34, 307-322.
63. Riciputi, L. R. & Johnson, C. M. (1990). Nd- and Pb-isotope variations in the multicyclic central caldera cluster of the San Juan volcanic field, Colorado, and implications for crustal hybridization. Geology 18, 975-978.
64. Riciputi, L. R., Johnson, C. M., Sawyer, D. A. & Lipman, P. W. (1995). Crustal and magmatic evolution in a large multicyclic caldera complex: isotopic evidence from the central San Juan volcanic field. Journal of Volcanology and Geothermal Research 67, 1-28.
65. Ross, C. S. & Smith, R. L. (1961). Ash-flow tuffs: Their origin, geologic relations, and identification. US Geological Survey, Professional Papers 366, 1-81.
66. Segar, R. L. (1974). Quantitative gravity interpretation, Valles caldera area, Sandoval and Rio Arriba counties, New Mexico. Earth Science Laboratory, University of Utah Research Institute, Salt Lake City, Open File Report NM/BACA-27.
67. Self, S., Goff, F, Gardner, J., Wright, J. & Kite, W. (1986). Explosive rhyolitic volcanism in the Jemez Mountains: Vent locations, caldera development and relation to regional structure. Journal of Geophysical Research 91, 1779-1798.
68. Shaw, C. A. & Karlstrom, K. E. (1999). The Yavapai-Mazatzal crustal boundary in the southern Rocky Mountains. Rocky Mountain Geology 34, 37-52.
69. Singer, B. S. & Kudo, A. M. (1986). Assimilation-fractional crystallization of Polvadera Group rocks in the northwestern Jemez Volcanic Field, New Mexico. Contributions to Mineralogy and Petrology 94, 374-386.
70. Sisson, T. W. (1991). Pyroxene-high silica rhyolite trace-element partition coefficients measured by ion microprobe. Geochimica et Cosmochimica Acta 55, 1575-1585.
71. Skuba, C. E. & Wolff, J. A. (1990). Sr, Nd, Pb, and O isotopic variations in the Bandelier Tuff; implications for petrogenesis. Geological Society of America, Abstracts with Programs 22, 243.
72. Smith, G., Larsen, D., Harlan, S., McIntosh, W., Erskine, D. & Taylor, S. (1991). A tale of two volcaniclastic aprons; field guide to the sedimentology and physical volcanology of the Oligocene Espinaso Formation and Miocene Peralta Tuff, north-central New Mexico. In: Julian, B. & Zidek, J. (eds) Field Guide to Geologic Excursions in New Mexico and Adjacent Areas of Texas and Colorado. New Mexico Bureau of Mines and Mineral Resources Bulletin 137, 87-103.
73. Smith, R. L. (1960). Ash flows. Geological Society of America Bulletin 71, 795-842.
74. Smith, R. L. (1979). Ash-flow magmatism. In: Chapin, C. E. & Elston, W. E. (eds) Ash-flow Tuffs. Geological Society of America, Special Papers 180, 5-28.
75. Smith, R. L. & Bailey, R. A. (1966). The Bandelier Tuff - a study of ash-flow eruption cycles from zoned magma chambers. Bulletin Volcanologique 29, 83-104.
76. Smith, R. L., Bailey, R. A. & Ross, C. S. (1970). Geologic map of the Jemez Mountains, New Mexico. US Geological Survey, Miscellaneous Geological Investigations Map I-571, scale 1:250 000.
77. 39Ar dating of the Bandelier Tuff and San Diego canyon ignimbrites: Temporal constraints on magmatic evolution. Journal of Volcanology and Geothermal Research 43, 175-193.
78. Spera, F. J. & Bohrson, W. A. (2001). Energy-constrained open-system magmatic processes 1: General model and energy-constrained assimilation and fractional crystallization (EC-AFC) formulation. Journal of Petrology 42, 999-1018.
79. Stacey, J. S. & Kramers, J. D. (1975). Approximation of terrestrial lead isotope evolution by a two-stage model. Earth and Planetary Science Letters 26, 207-221.
80. Steck, L. K., Thurber, C. H., Fehler, M. C., Lotter, W. J., Roberts, P. M., Baldridge, W. S., Stafford, D. G. & Sessions, R. (1998). Crust and upper mantle P wave velocity structure beneath Valles caldera, New Mexico: Results from the Jemez teleseismic tomography experiment. Journal of Geophysical Research 103, 24301-24320.
81. Turbeville, B. & Self, S. (1988). San Diego Canyon Ignimbrites: Pre-Bandelier Tuff ignimbrite explosive rhyolitic volcanism in the Jemez Mountains, New Mexico. Journal of Geophysical Research 93, 6148-6156.
82. Turbeville, B., Waresback, D. & Self, S. (1989). Lava-dome growth and explosive volcanism in the Jemez Mountains, New Mexico: Evidence from the Plio-Pleistocene Puye Alluvial Fan. Journal of Volcanology and Geothermal Research 36, 267-291.
83. Villemant, B. (1988). Trace-element evolution in the Phlegrean Fields (Central Italy) fractional crystallization and selective enrichment. Contributions to Mineralogy and Petrology 98, 169-183.
84. Waresback, D. & Turbeville, B. (1990). Evolution of a Plio-Pleistocene volcanogenic-alluvial fan: The Puye Formation, Jemez Mountains, New Mexico. Geological Society of America Bulletin 102, 298-314.
85. Watson, E. B. & Harrison, T. M. (1983). Zircon saturation revisited: Temperature and composition effects in a variety of crustal magma types. Earth and Planetary Science Letters 64, 295-304.
86. Wilke, M. & Behrens, H. (1999). The dependence of the partitioning of iron and europium between plagioclase and hydrous tonalitic melt on oxygen fugacity. Contributions to Mineralogy and Petrology 137 102-114.
87. Woldegabriel, G., Laughlin, A. W., Dethier, D. P. & Heizler, M. (1996). Temporal and geochemical trends of lavas in White Rock Canyon and the Pajarito Plateau, Jemez volcanic field, New Mexico, USA. In: Goff, F., Kues, B. S., Rogers, M. A., McFadden, L. D. & Gardner, J. N. (eds) The Jemez Mountains Region. New Mexico Geological Society 47th Field Conference Guidebook, pp. 251-261.
88. Woldegabriel, G., Warren, R., Broxton, D., Vaniman, D., Heizler, M., Kluk, E. & Peters, L. (2001). Episodic volcanism, petrology, and lithostratigraphy of the Pajarito Plateau and adjacent areas of the Espanola Basin and the Jemez Mountains. In: Crumpler, L. & Lucas, S. (eds) Volcanology in New Mexico. New Mexico Museum of Natural History and Science Bulletin 18, 97-129.
89. Woldegabriel, G., Warren, R. G., Cole, G., Goff, F., Broxton, D., Vaniman, D., Peters, L. & Naranjo, A. (2003). Periodicity and distribution of volcanism in the Pajarito Plateau, Rio Grande rift, north-central New Mexico. In: Hudson, M.R. (ed) Geologic and Hydrologic Framework of the Española Basin - Proceedings of the 2nd Annual Española Basin Workshop, Santa Fe, New Mexico, 4-5 March 2003. US Geological Survey Open-File Report 03-369, 7.
90. Wolff, J. A. & Gardner, J. N. (1995). Is the Valles caldera entering a new cycle of activity? Geology 23, 411-414.
91. Wolff, J. A. & Ramos, F. C. (2003). Pb isotope variations among Bandelier Tuff feldspars: No evidence for a long-lived silicic magma chamber. Geology 3, 533-536.
92. Wolff, J. A., Ramos, F. C. & Davidson, J. P. (1999). Sr isotope disequilibrium during differentiation of the Bandelier Tuff. constraints on the crsytallization of a large rhyolitic magma chamber. Geology 27, 495-498.
93. Wolff, J. A., Heikoop, C. E. & Ellisor, R. (2000). Hybrid origin of Rio Grande rift hawaiites. Geology 28, 203-206.
94. Wolff, J. A., Rowe, M. C., Teasdale, R., Gardner, J. N., Ramos, F. C. & Heikoop, C. E. (2005). Petrogenesis of pre-caldera mafic lavas, Jemez Mountains Volcanic Field (New Mexico, USA). Journal of Petrology 46, 407-439.