Publications

Baja Basins Program (*REU/IRES UG student author †graduate student)

Peer-reviewed Papers (5)

Dorsey, R.J., †Salgado Muñoz, V.O., Darin, M., Bennett, S.E.K., *Usher, E., †Gardner, K., and Niemi, T.M., 2026, Late Miocene sedimentation and basin evolution during initial marine flooding into the Gulf of California: Evidence from the Boleo Formation, Baja California Sur, México: Geosphere, https://doi.org/10.1130/GES02912.1

Busby, C.J., Graettinger, A.H., López-Martínez, M., Orozco-Esquivel, T., Putirka, K., *Acuña Henry, N., *Allard, J., *Hutchinson, S.J., and Niemi, T.M., 2025, Early Miocene to Pliocene magmatic and structural evolution of the Gulf of California margin in central Baja California (Mexico): The Mulegé–La Trinidad region, Baja California Sur, in Riggs, N., Putirka, K., and Wakabayashi, J., eds., The Virtue of Fieldwork in Volcanology, Sedimentology, Structural Geology, and Tectonics— Celebrating the Career of Cathy Busby: Geological Society of America Special Paper 563, https://doi.org/10.1130/2025.2563(12).

Darin, M.H., Dorsey, R.J., Niemi, T.M., †Salgado Muñoz, V.O., *Henry, M.W., and Pecha, M.E., 2025, Depositional age of the Boleo Formation and marine flooding in the central Gulf of California Rift, Santa Rosalía basin, Baja California Sur, México, in Riggs, N., Putirka, K., and Wakabayashi, J., eds., The Virtue of Field­work in Volcanology, Sedimentology, Structural Geology, and Tectonics—Celebrating the Career of Cathy Busby: Geological Society of America Special Paper 563, https://doi.org/10.1130/2025.2563(13).

†Salgado Muñoz, V.O., Niemi, T.M., Murowchick, J.B., *Troia, A., *Maher, A.T., and *Jaime-Geraldo, A.J.,  2023, Cobalt distribution in the Boleo stratiform sediment-hosted ore deposit: A transtension rift basin in Central Baja California Peninsula, México: EGUsphere [preprint], doi.org/10.5194/egusphere-2023-607.

Busby, C.J., Graettinger, A., López Martínez, M., Medynski, S., Niemi, T., *Andrews, C., *Bowman, E., *Gutierrez, E.P., *Henry, M., *Lodes, E., *Ojeda, J., *Rice, J., *Andrews, G., and Brown, S., 2020, Volcanic record of the arc-to-rift transition onshore of the Guaymas Basin in the Santa Rosalía area, Gulf of California, Baja California: Geosphere, v. 16, no. X, p. 1–30, https://doi .org /10.1130 /GES02094.1.

Extended Abstracts

Martinez Gutierrez, G, Antinao Rojas, J.L., *Camacho Antuna, D.A., *Hartke, S., *Pugh, A., and Niemi, T.M., 2016, Investigation of uplifted marine and fluvial terrace in the Santa Rosalía basin of central Baja California, México, Vol. 7, Proceedings of the 7th International INQUA Meeting on Paleoseismology, Active Tectonics, and Archaeoseismology, (J.P. McCalpin and C. Gruetzner, eds.) ISBN 978-0-9974355-2-8, Creston Science Center, Guidebook No. 12, p. 167-169. http://paleoseismicity.org/wp-content/uploads/2016/05/Program-v3.pdf.

Mentor Abstracts

  1. 2026, Busby, C.,  Putirka, K., Orozco-Esquivel, T., Cousens, B., and Graettinger, A., The Comondú Arc-Gulf of California Rift Transition, Baja California Sur, Mexico: GSA 2026 Cordilleran Section Meeting. 
  2. 2025, Busby, C., Putirka, K., Orozco, T., and Graettinger, A., 2025, The Comondú Arc-Gulf of California rift transition: Geology and geochronology: Geological Society of America Abstracts with Program, v. 57, No. 4, doi: 10.1130/abs/2025CD-409317
  3. 2024, Dorsey, R., Darin, M., Bennett, S., Hausback, B., Gardner, K., Niemi, T.M., Busby, C., Graettinger, A.,  †Salgado-Muñoz, V., Martinez-Gutierrez, G., *Morebeck, C., *Usher, E., Heizler, M.T., Pecha, M. E., Stelten, M.E., Schmitt, A.K., and Dolby, G., Miocene tectonic and stratigraphic evolution of the central Baja California peninsula and rapid marine flooding into the Gulf of California at ca. 6.3 Ma: GSA Abstracts with Programs, v. 56, no. 5. https://gsa.confex.com/gsa/2024AM/webprogram/Paper402328.html
  4. 2024, Busby, C.J., Graettinger, A.H., López-Martínez, M., Orozco-Esquivel, T., Putirka, K., and Niemi, T., 2024, Oligocene to Pliocene magmatic structural evolution of the Gulf of California margin in Central Baja California (Mexico): Cordilleran Section Meeting, Geological Society of America Abstract with Programs, v. 56, no. 4, https://gsa.confex.com/gsa/2024CD/webprogram/Paper399561.html
  5. 2022, Martínez-Gutiérrez, G., *Hernández-Salgado, Y.E., Antinao, J.L., and Niemi, T.M., Morphotectonic analysis of uplifted watersheds in the Santa Rosalía Basin, Baja California Sur, México: 10th International Conference of Geomorphology, https://doi.org/10.5194/icg2022-498.
  6. 2022, Dorsey, R., Niemi, T.M., T.M., Darin, M., †Salgado Munoz, V.O., Bennett, S., Pecha, M., *Usher, E., *Elconin, L., Gardner, K., Brelle, B., Lira-Mijares, M.A., McCann, K., *Jaime-Geraldo, A.J., *Maher, A.-T., and *Henry, M., Stratigraphy, sedimentology, age, and tectonic significance of the Upper Miocene Boleo Formation in the Santa Rosalia Basin Baja California Sur, Mexico: Geological Society of America Abstracts with Programs, v. 53, No. 6, doi: 10.1130/abs/2022AM-381103.
  7. 2022, Graettinger, A., Busby, C., *McEnaney, T., *Mindrup, Q., and Niemi., T.M.,Volcanology and structure of the Mulegé -Bahia Concepción Region, Gulf of California, Baja California Sur, Mexico: Results from the Baja Basin Research Experience for Undergraduates (REU) and International Research Experience for Students (IRES): Geological Society of America Abstracts with Programs, v. 53, No. 6, doi: 10.1130/abs/2022AM-382213.
  8. 2022, Niemi., T.M., Graettinger, A., †Salgado Munoz, V.O., Murowchick, J.B., Busby, C., Martinez Guiterrez, G., Antinao Rojas, J.L., Dorsey, R., Darin, M., and Gardner, K., The Baja Basins Program: Mentored undergraduate field and lab research integrating multidisciplinary geologic data to address the tectonic evolution of the Gulf of California rift of the east-central Baja Peninsula, México: Geological Society of America Abstracts with Programs, v. 53, No. 6, doi: 10.1130/abs/2022AM-380608.
  9. 2018, Busby, C., Graettinger, A., Lopez, M., 2018. Volcano-tectonic evolution of the central Baja California Gulf margin: 40Ar/40Ar Geochronological constraints, GSA Rocky Mountain Section. 
  10. 2019, Antinao, J.L., †Schorr, M.R., McDonald, E., Niemi, T.M., *Bradley, K., *Epperson, J., *Hernandez Salgado, Y.E., and Martínez Gutiérrez, G., The case for more intense Eastern Pacific tropical cyclones arriving into southwestern North America during the Late Pleistocene: new geochronological and sedimentological evidence from central Baja California: Annual meeting of the American Geophysical Union. https://agu.confex.com/agu/fm19/meetingapp.cgi/Paper/631134
  11. 2019, Niemi, T.M., and †Salgado Muñoz, V.O., Gypsum facies analysis of the copper-bearing Upper Miocene Boleo Formation in the transtensional Santa Rosalía Basin, Baja California Sur, México: AAPG Europe meeting on “Eurasian Mature Salt Basins,” Krakow, Poland, April 16-18, 2019.
  12. 2017, Niemi, T.M., Busby, C., Murowchick, J.M., Martínez Gutiérrez, G., Antinao Rojas, J.L., Graettinger, A., and Dorsey, R., Advances in understanding the tectonic evolution of the Santa Rosalía Basin and its stratiform ore deposits: Results of the Baja Basins Research Experience for Undergraduates: American Geophysical Union Meeting: https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/240964
  13. 2017, Niemi, T.M., and Busby, C., The Baja Basins Research Experience for Undergraduates: Splitting fieldwork and laboratory components in an international REU: Geological Society of America Abstracts with Programs. Vol. 49, No. 6, ISSN 0016-7592 doi: 10.1130/abs/2017AM-304480 https://gsa.confex.com/gsa/2017AM/webprogram/Paper304480.html

Graduate Student Abstracts (†)

  1. 2025, †Klene, M., †Salgado Muñoz, V., Niemi, T.M., and Murowchick, J.M., Petrography, diagenetic textures, and stable isotope analysis of the Boleo Gypsum Member, Baja California Sur, Mexico: Geological Society of America Abstracts with Programs. v. 57, No. 6, doi: 10.1130/abs/2025AM-10604.
  2. 2021, †Salgado Muñoz, V., Niemi, T.M., Murowchick, J.B., and *Maher, A.T.,  Controls on cobalt metal distribution in an evaporitic basin: An example from the Boleo deposits of Baja California Peninsula of Mexico: Geological Society of America Abstracts with Programs, v. 53, no. 6, doi: 10.1130/abs/2021AM-371120.
  3. 2018, †Schorr, M.R., *Hartke, S., *Pugh, A., *Camacho, D., *Navarrete, G.M., *Tjarks, D., Martínez Gutiérrez, G., Niemi, T.M., and Antinao, J.L., Preliminary geochronology of uplifted marine and fluvial terraces in the Santa Rosalia Basin, Central Baja California, Mexico: Annual meeting of the Geological Society of America. https://gsa.confex.com/gsa/2018AM/webprogram/Paper319319.html
  4. 2018, †Salgado Muñoz, V., Niemi, T.M., Murowchick, J.M, *Penaflor, G.,  Sedimentary and geochemical analysis of the gypsum unit in the Boleo Copper Deposit, Santa Rosalîa Basin, Mexico: Society of Economic Geologists meeting
  5. 2017, †Salgado Muñoz, V., *Maher, A., *Jaime-Geraldo, A.J., and Niemi, T.M., Deposition and extension of the evaporitic units in the Neogene Santa Rosalia bsin Baja California Sur, Mexico: American Geophysical Union Meeting: https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/299408
  6. 2017, †Henry, M., *Alvarez Ortega, K.G., *Banes, A., Holm-Denoma, C., Busby, C., and Niemi, T.M., Detrital zircon U-Pb geochronology of the Boleo Formation of Santa RosalIa Basin, Baja California Sur, México: American Geophysical Union Meeting T23B-2511, https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/233568
  7. 2015, †Preisberga, A., and Niemi, T.M., 3D digital imaging of Boleo copper mine outcrops with a Quadcopter UAV: Annual meeting of the Association of Environmental and Engineering Geoscientist, Program & Abstracts, p. 79. https://cdn.ymaws.com/www.aegweb.org/resource/resmgr/publications/AEG_2015_PwA-Web.pdf

Undergraduate Student Abstracts (*)

  1. 2023, *Morebeck, C., Darin, M., *,Sommer, S.P., †Thomas, K.A., †Salgado Munoz, V.O., Niemi, T.M.,  Dorsey, R., and *Romang, L., Geologic mapping and structural analysis of San Marcos Island, Baja California Sur, México: Geological Society of America Abstracts with Programs. v. 55, no. 4, doi: 10.1130/abs/2023CD-387665.
  2. 2022, *Mindrup, Q. Busby, C.J., Graettinger, A.H., *McEnaney, T.N., and Murowchick, J.B., Oligocene and Miocene Ignimbrites in the Concepcion Peninsula, Gulf of California rift, Baja California Sur: Baja Basins NSF International Research Experience for Students: Geological Society of America Abstracts with Programs, v. 53, No. 6, doi: 10.1130/abs/2022AM-380674.
  3. 2022, *McEnaney, T., *Mindrup, Q., Busby, C., and Graettinger, A., 2022, Geologic map and cross section of Concepcion Peninsula, Gulf of California rift, Baja California Sur: Baja Basins NSF International Research Experience for Students. Geological Society of America Abstracts with Programs, v. 53, No. 6, doi: 10.1130/abs/2022AM-380640.
  4. 2022, *Usher, E., *Gardner, K., Dorsey, R., and Niemi, T.M.,Stratigraphic analysis of the Upper Miocene Boleo Formation at Arroyo Providencia, Baja California Sur, southwest margin of the paleo-Gulf of California: Geological Society of America Abstracts with Programs, v. 53, No. 6, doi: 10.1130/abs/2022AM-382039.
  5. 2022, *Romang, L., Niemi., T.M.,†Salgado Munoz, V.O., and Darin, M., Depositional setting, provenance, and tectonic implications of the Carmen Formation on San Marcos Island, Baja California Sur, México: Geological Society of America Abstracts with Programs, v. 53, No. 6, doi: 10.1130/abs/2022AM-383240.
  6. 2022, *Sommer, S., *Morebeck, C., Darin, M., Niemi, T.M., †Salgado Munoz, V.O., and †Thomas, K., Preliminary Geologic mapping, stratigraphic framework, and Ar/Ar geochronology of San Marcos Island, Baja California Sur, México: Geological Society of America Abstracts with Programs, v. 53, No. 6, doi: 10.1130/abs/2022AM-383644.
  7. 2020, *Bearden, A., *Ibarra Mendoza, J., *Rack, S., †García Sánchez, L., Graettinger, A., and Busby C.J., Mapping and petrographic analysis in the Comondú Arc,  Concepción Peninsula, Baja California Sur, Gulf of California (México): Results from Baja Basins IRES: Geological Society of America Abstracts with Programs. v. 52, No. 6, doi: 10.1130/abs/2020AM-354896.
  8. 2020, *Bellaire, M., Niemi, T.M., †Thomas, K., *Dilloway, E., Montoya, D., †Salgado Muñoz, V., and Murowchick, J.B., Reconstructing the depositional environments of interbedded gypsum and clastic sediments of the Upper Miocene Boleo Formation, Baja California Sur, México: Geological Society of America Abstracts with Programs, v. 52, No. 6, doi: 10.1130/abs/2020AM-356247.
  9. 2020, *Dilloway, E.M., Niemi, T.M., Dorsey, R., †Salgado Muñoz, V., and Murowchick, J.B., Paleoenvironmental reconstruction of marine limestone of the Upper Miocene Boleo formation along the incipient Gulf of California in central Baja, México – Baja Basins 2020 IRES: Geological Society of America Abstracts with Programs, v. 52, No. 6, doi: 10.1130/abs/2020AM-355154.
  10. 2020,  *Krieger, A., Darin, M., Niemi, T.M, Dorsey, R., *Johnson, L. and †Salgado Muñoz, V.O., Structure and kinematic evolution of the Santa Rosalía Basin, central Baja California, México – Baja Basins 2020 IRES: Geological Society of America Abstracts with Programs. v. 52, No. 6, doi: 10.1130/abs/2020AM-355099. 
  11. 2020, *Rack, S., *Ibarra Mendoza, J., *Bearden, A., †García Sánchez, L., Graettinger, A., and Busby C.J., 2020, Xenolith-rich dikes in the Comondu Arc, Bahia Concepcion Peninsula, Baja California Sur, Gulf of California: Results from Baja Basins IRES: Geological Society of America Abstracts with Programs. v. 52, No. 6, doi: 10.1130/abs/2020AM-35785. 
  12. 2020, *Ritter, A.C., Antinao Rojas, J.L., and Martinez Gutierrez, G., Geomorphology and relative uplift rates of Quaternary marine terraces of San Marcos Island, Baja California Sur, Mexico: Geological Society of America Abstracts with Programs. v. 52, No. 6, doi: 10.1130/abs/2020AM-359872.
  13. 2019, *Hernadez-Salgado, Y.E., Martinez Gutierrez, G., Antinao, J.L., *Bradley, K., and *Epperson, J.J., Differential tectonic uplift of the watersheds in the Santa Rosalia Basin, Baja California Sur, Mexico: Annual meeting of the American Geophysical Union https://agu.confex.com/agu/fm19/meetingapp.cgi/Paper/611696
  14. 2019, *Bradley, K., Antinao, J.L., Martinez Guitierrez, G., *Hernandez-Salgado, Y., and Murowchick., J., Morphology and distribution of pedogenic carbonate in Quaternary fluvial and marine terraces, central Baja California Peninsula, Mexico: Annual meeting of the American Geophysical Union. https://agu.confex.com/agu/fm19/meetingapp.cgi/Paper/618833
  15. 2019, *Epperson, J.J., *Malone, D.H., Antinao, J.L., Niemi, T.M., and Martinez Guitierrez, G., Detrital zircon geochronology of Quaternary sediments in the Santa Rosalia region, Baja California Sur, Mexico: Geological Society of America Abstracts with Programs, v. 51, No. 5, doi: 10.1130/abs/2019AM-340596 
  16. 2018, *Penaflor, G., Niemi, T.M., and †Salgado Muñoz, V., Facies analysis of the gypsum units in the Upper Miocene Boleo Formation in the Santa Rosalía Basin, Baja California Sur, México: North Central Geological Society of America, Ames, IA, https://gsa.confex.com/gsa/2018NC/webprogram/Paper312428.html
  17. 2018, *Michels, A., *Johnson, L., and Niemi, T.M., Syntectonic Deposition of Plio-Quaternary Sediments in the Santa Rosalía Basin of Baja California Sur, Mexico: North Central Geological Society of America, Ames, IA, https://gsa.confex.com/gsa/2018NC/webprogram/Paper313219.html
  18. 2017, *Allard, J., *Acuña, N., *Hutchinson, S., Graettinger, A., and Busby, C., Geologic evolution of the Gulf of California near Mulegé, Baja California Sur: Results from the Baja Basins NSF-REU (Research Experience for Undergraduates): Geological Society of America Abstracts with Programs. v. 49, No. 6, ISSN 0016-7592; doi: 10.1130/abs/2017AM-301692 https://gsa.confex.com/gsa/2017AM/webprogram/Paper301692.html
  19. 2017, *Acuña, N., *Hutchinson, S., *Allard, J., Graettinger, A., and Busby, C., Geochemical insights into the volcano tectonic evolution of the Gulf of California near Mulegé, Baja California Sur, México: American Geophysical Union Meeting: https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/233560
  20. 2017, *Banes, A., Henry, M., *Alvarez Ortega, K.G., and Niemi, T.M., Using drone imagery and photogrammetry to map basin stratigraphy and structures exposed in mine, road, and arroyo outcrops, Santa Rosalia, Baja California Sur, Mexico: American Geophysical Union Meeting, https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/246717
  21. 2017, *Helprin, O., *Flores, G.V., *Trepp, K., Murowchick, J.B., and †Salgado Muñoz, V., Stratigraphic and Mineralogical Characteristics of Cu-Zn-Co-Mn Mantos at Minera Boleo, Santa Rosalía, BCS, Mexico: Geological Society of America Abstracts with Programs, v. 49, No. 6, doi: 10.1130/abs/2017AM-301290.
  22. 2017, *Hutchinson, S., *Allard, J., *Acuña, N., Graettinger, A., and Busby, C., Volcanic and tectonic evolution of the Gulf of California near Mulege, Baja California Sur: Results of the Baja Basins NSF-REU (Research Experience for Undergraduates): American Geophysical Union Meeting   https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/233245
  23. 2017, *Johnson, L., *Michels, A., and Niemi, T.M., Kinematic analysis of Neogene and Quaternary faults in the Santa Rosalia Basin along the margin of the Gulf of California, Baja California Sur, Mexico: Geological Society of America Abstracts with Programs, v. 49, No. 6, doi: 10.1130/abs/2017AM-301562.
  24. 2017, *McCann, K.A., Dorsey, R.J., Niemi, T.M., and *Jaime-Geraldo, A.J., Stratigraphic analysis of the Late Miocene Boleo Formation, Santa Rosalia Basin Baja California Sur, Mexico: Geological Society of America Abstracts with Programs, v. 49, No. 6, doi: 10.1130/abs/2017AM-308157 
  25. 2017, *Michels, A., *Johnson, L., and Niemi, T.M., Syntectonic Deposition of Plio-Quaternary Sediments in the Santa Rosalía Basin of Baja California Sur, Mexico: American Geophysical Union Meeting: https://agu.confex.com/agu/fm17/meetingapp.cgi/Paper/233204
  26. 2017, *Navarrete, G., *Camacho-Antuna, D., Martinez-Gutierrez, G., Antinao, J.L., and *Tjarks, D., Assessing Quaternary tectonic uplift in the Arroyo Infierno, Santa Rosalia Basin, Mexico, using field mapping and morphometric indices: Geological Society of America Abstracts with Programs, v. 49, No. 6, doi: 10.1130/abs/2017AM-301428.  
  27. 2017, *Trepp, K., *Flores, G.V., *Helprin, O., Murowchick, J.B., Salgado Muñoz, V., and Niemi, T.M. Amphibole leaching as a metal source, Lucifer Cu-Zn-Co-Mn district, BCS, Mexico: Geological Society of America Abstracts with Programs, v. 49, No. 6, doi: 10.1130/abs/2017AM-301301.
  28. 2016, *Duval, C.L., *Suarez, S.E., and Murowchick, J.B., Mineralogical evidence of an epithermal exhalative origin of the Boleo Cu-Zn-Mn-Co mantos, Santa Rosalia, Baja California Sur, Mexico: Geological Society of America Abstracts with Programs, v. 48, no. 7, doi: 10.1130/abs/2016AM-285379.
  29. 2016, *Hartke, S., *Pugh, A., *Camacho, D., Antinao J.L., and Martinez Gutierrez, G., Constraining a chronosequence of fluvial terraces using soil profile analysis and GIS mapping in the Santa Rosalia Basin, BCS, Mexico: Geological Society of America Abstracts with Programs, v. 48, no. 7,
    doi: 10.1130/abs/2016AM-283133.
  30. 2016, *Gauld, S., *Gates, J.K., and Niemi, T.M., Analysis of a fossiliferous sandstone sequence of the Pliocene Tirabuzon formation at Santa Agueda, Santa Rosalia Basin, Baja California Sur, Mexico: Geological Society of America Abstracts with Programs, v. 48, no. 7, doi: 10.1130/abs/2016AM-286103. 
  31. 2016, *Guerra, D., *Perez, A., *Brown, E.R., Niemi, T.M., Miranda, R., and Murowchick, J.B., Evidence of the first marine incursion in the Santa Rosalia basin, through the distribution of the basal limestone in the Upper Miocene Boleo Formation: Geological Society of America Abstracts with Programs, v. 48, no. 7, doi: 10.1130/abs/2016AM-285025. 
  32. 2016, *Gutierrez, E.P., *Bowman, E., Medynski, S., Busby, C.J., López Martínez, M., Niemi, T.M., and †Salgado Muñoz, V.O., Miocene volcanism in the Santa Rosalia region, Gulf of California, Baja California: Nature of the arc-to-rift transition and possible role of rift-triggered adakite magmatism in generating Boleo stratiform Cu-Co-Zn sulfides: Geological Society of America Abstract with Programs, v. 47, no. ,. doi: 10.1130/abs/2016AM-285426.  
  33. 2016, *Maher, A.-T., *Jaime-Geraldo, A.J., Niemi, T.M., and Murowchick, J.B., Stratigraphy and mineralogy of the Miocene Bole Formation gypsum in the Santa Rosalia basin of Baja California Sur, Mexico: Geological Society of America Abstracts with Programs. v. 48, no. 7, doi: 10.1130/abs/2016AM-286575. 
  34. 2015, *Aguilar-Cabrera, B.R., *Flores, H., Miranda-Aviles, R., Niemi, T.M., Martinez-Gutierrez, G., and Murowchick, J.B., Analysis of fossiliferous, volcaniclastic limestone from the base of the Upper Miocene Boleo formation of Santa Rosalia Basin, Baja California Sur, Mexico: Geological Society of America Abstracts with Program, v. 47, no. 7, p. 543. https://gsa.confex.com/gsa/2015AM/webprogram/Paper269600.html
  35. 2015, *Burrell, S.A., *Wahwassuck, D.C., Murowchick, J.B., and Niemi, T.M., Stratigraphy, provenance, and deposition of the Upper Miocene Boleo formation, Santa Rosalia Basin, Baja California Sur, Mexico: Geological Society of America Abstracts with Program, v. 47, no. 7, p. 530, https://gsa.confex.com/gsa/2015AM/webprogram/Paper261813.html
  36. 2015, *Andrews, C., *Lodes, E., *Ojeda, J., *Rice, J.J., Medynski, S., and Busby, C., Geologic and petrographic analysis of arc-rift transition volcanic rocks of the Santa Rosalia Basin, Gulf of California Rift, Baja California Sur, Mexico: Geological Society of America Abstracts with Programs, v. 47, no. 7, p. 811. https://gsa.confex.com/gsa/2015AM/webprogram/Paper262607.html.
  37. 2015, *Harrison, D.M., *Henry, M., Niemi, T.M., and Murowchick, J.D., Petrographic characterization and interpretation of the Cinta Colorada marker bed, Boleo District, Santa Rosalia, BCS, Mexico: Geological Society of America Abstracts with Program, v. 47, no. 7, p. 532. https://gsa.confex.com/gsa/2015AM/webprogram/Paper263251.html.
  38. 2015, *Henry, M., *Harrison, D.M., Martínez-Gutierrez, G., Murowchick, J.B., Lee, J., and Niemi, T.M., Distribution and depositional model of the Cinta Colorada marker bed of the Copper-rich Boleo formation, Santa Rosalia basin, Baja California Sur, Mexico: Geological Society of America Abstracts with Program, v. 47, no. 7, p. 541, https://gsa.confex.com/gsa/2015AM/webprogram/Paper269118.html
  39. 2015, *Rice, J.J., *Ojeda, J., *Lodes, E., *Andrews, C., Medynski, S., and Busby, C., From subduction to rifting in the Santa Rosalia Basin, Gulf of California Rift, Baja California Sur, Mexico: Geological Society of America Abstracts with Programs, v. 47, no. 7, p. 531. https://gsa.confex.com/gsa/2015AM/webprogram/Paper261932.html.
  40. 2015, *Wells, A.A., Murowchick, J.B., and *Reynolds, S.M., Geochemical evolution of ore fluids, Boleo Cu-Mn-Zn-Co District, BCS, Mexico:Geological Society of America Abstracts with Programs. v. 47, no. 7, p. 531. https://gsa.confex.com/gsa/2015AM/webprogram/Paper261961.html.