Recent Publications:
Hanson, S.L. Age, geochemistry and origin of lava flows from Wupatki National Monument in the northeastern San Francisco Volcanic Field, northern Arizona, USA. (in prep.).
Zito, G., Hanson, S.L., and Falster, A.U. (2022) Beryllium minerals of the Mount Rosa Complex area near Colorado Springs, Colorado, USA. (submitted to Rocks & Minerals; 97:5, 412-423.
Alfano, F., Ort, M., Pioli, L., Self, S., Hanson, S.L., Clarke, A., Roggensack, K., Allison, C., Amos, R. (2019) Sub-Plinian monogenetic basaltic eruption of Sunset Crater, Arizona, USA. Geological Society of America Bulletin, 131/3, 661-674.
Hanson, S.L., Falster, A.U., Simmons, W.B., Sprague, R., Vignola, P., Rotiroti, N, Ando, S., and Hatert, F. (2018) Tantalowodginite, (Mn0.50.5)TaTa2O8, a new mineral species from the Emmons pegmatite, Uncle Tom Mountain, Maine, U.S.A. Canadian Mineralogist , v. 56, p. 543-553.
Zito, G. and Hanson, S.L. (2017) Genthelvite overgrowths on danalite cores from a pegmatite miarolitic cavity in Cheyenne Canyon, El Paso Co., Colorado. Canadian Mineralogist, 55, p. 195-206.
Hanson, S.L. (2016) A Tectonic Evaluation of Pegmatite Parent Granite. Canadian Mineralogist, 54, 917-933.
Zito, G. and Hanson, S.L. (2014) Minerals from Miarolitic Pegmatites in the Stove Mountain Area, Colorado Springs, Colorado. Rocks and Minerals v. 89, 224-237.
Simmons, W.B., Hanson, S.L., Webber, K.L. and Falster, A.U. (2012) A Comparison of the Mineralogical and Geochemical Character and Geologic Setting of Proterozoic REE-rich Granitic Pegmatites of the North-Central and South-Western US. Canadian Mineralogist, 50. p. 1695-1712.
Hanson, S.L., Falster, A.U., Simmons, W.B., and Brown, T.A. (2012) Allanite-(Nd) from the Kingman Feldspar Mine, Mojave Pegmatite District, Northwestern Arizona, USA. Canadian Mineralogist, 50, p. 815-824.
Hanson, S.L., Falster, A.U. and Simmons, W.B. (2008) Mineralogy of Fumarole Deposits at Sunset Crater Volcano National Monument, Northern Arizona. Rocks and Minerals, 83 (6) p. 534-544.
Hanson, S.L, Duffield, W., and Plescia, J. (2008) Quaternary Volcanism in the San Francisco Volcanic Field: Recent Basaltic Eruptions that Profoundly Impacted the Northern Arizona Landscape and Disrupted the Lives of Nearby Residents. In Field Guide to plutons, volcanoes, faults, reefs, dinosaurs, and possible glaciation in selected areas of Arizona, California, and Nevada (E.M. Duebendorfer and E.I. Smith, eds.). Geological Society of America Field Guide 11, p. 173-186.
Simmons W. B., Hanson, S. L., and Falster, A. U. (2006) Samarskite-(Yb): A New Mineral from the Little Patsy Pegmatite, Jefferson County, CO. Canadian Mineralogist. 44, p.1119-1125.
Hanson, S.L. (2003) Roadside Geology: Wupatki and Sunset Crater Volcano National Monuments. Arizona Geological Survey Down-to-Earth 15, 32 p.
Recent Conference Publications/Presentations
Hanson, S.L. (2016): Using Pearce Discrimination Diagrams to Evaluate the Tectonic Regime for Pegmatite Parent Granite. 2ndAnnual Foord Symposium on Pegmatites Abstracts, Short Papers, Posters and Program, p. 43-44.
Hanson, S.L. (2016): A Tectonic Evaluation of Pegmatite Parent Granite. Rochester Mineralogical Symposium Abstracts. p. 12-13.
Hanson, S.L. (2015): A Geochemical Evaluation of Pegmatite Parent Granite. Pegmatite 2015 Conference Proceedings. p. 36-37.
Falster, A.U., Simmons, W.B., Sprague, R. and Hanson, S.L. (2015): Tin, niobium and tantalum mineralization in the Emmons pegmatite, Greenwood, Oxford County, Maine,USA. Pegmatite 2015 Conference Proceedings. p. 20-21.
Hanson, S.L, Falster, A.U., and Simmons, W.B. (2015): A New Occurrence of Ludgwigite from Potrero Chico, Nuevo Leon, Mexico. Rochester Mineralogical Symposium Abstracts. No. 42, p. 12.
Hanson, S.L., Falster, A.U., and Simmons, W.B. (2014): Unusual Mineralogy and Chemistry of the Kingman Feldspar Pegmatite, Mojave Pegmatite District, Northwestern AZ. GSA Abstracts with Programs https://gsa.confex.com/gsa/2014AM/finalprogram/abstract_246334.htm.
Hanson, S.L., Simmons, W.B., and Falster, A.U (2014) Contact Metamorphic Minerals from the Alta Aureole, Central Wasatch Mountains. Rochester Mineralogical Symposium Abstracts No. 41, p. 13-14.
Hanson, S.L., Simmons, W.B., and Falster, A.U (2013) Mineralogy, Petrology and Origin of the Kingman Pegmatite, Northwestern Arizona, USA. Pegmatite 2013 Conference Proceedings. P. 61-62.
Hanson, S.L., Falster, A.U., Simmons, W.B. and Sprague, R. (2013) Wodginite Group Species from the Emmons Pegmatite, Greenwood, Oxford County, Maine, USA. Pegmatite 2013 Conference Proceedings. P 59-60.
Hanson. S.L.and Zito G. (2013) Mineralogy of Miarolitic Pegmatites in the Stove Mountain Area, Colorado. Rochester Mineralogical Symposium Abstracts. No. 40, p. 14-15.
Brown, T.A., Hanson, S.L. and Falster, A.U. (2013) New Data on Planerite from Mauldin Mountain, Montgomery County, Arkansas Rochester Mineralogical Symposium Abstracts. No. 40, p. 8-9.
Hanson, S.L., Falster, A.U., Simmons, W.B (2012) Hydrothermal Mineralization in Lithophysal Cavities from the Taylor Creek Rhyolite, Sierra County, Southwestern New Mexico. Rochester Mineralogical Symposium Abstracts. No. 39, p. 23-24.
Hanson, S.L., Simmons, W.B., Falster, A.U., and Brown TJ (2011) Influence of Tectonic Setting on Geochemical Characteristics of Post-orogenic Pegmatites: an Example from the Mojave Pegmatite District, Northern Arizona. American Geophysical Union, Fall Meeting 2011, abstract #V21D-2532, p. D2532.
Hanson, S.L., Falster, A.U., Simmons, W.B., and Brown TJ (2011) Nd-enrichment in the Kingman Feldspar Pegmatite, Mojave Pegmatite District, Northwestern AZ. South Central Section GSA Abstracts with Programs, p. 43.
Hanson, S.L., Brown, TJ, Falster, A.U., and Simmons, W.B. (2011) “Allanite-(Nd)”: A new Mineral from the Kingman Feldspar Mine in the Mojave Pegmatite District, Northwestern Arizona. Rochester Mineralogical Symposium Abstracts. No. 38, p. 20-22.
Simmons, W.B., Webber, K., Falster, A.U., Hanson, S.L., Brown, TJ (2011) Geochemistry of REE-rich Pegmatites from Different Tectono-magmatic Provinces in South Platte, CO, Trout Creek Pass, CO, Kingman and Aquarius Range, AZ, North America. Contributions to the 5th International Symposium on Granitic Pegmatites. p 13-17.
Hanson, S.L (2010) Eruptive History of the Sunset Crater Volcanic Chain, Northern Arizona. GSA Abstracts with Programs. v. 42 p. 224.
Hanson, S.L. (2010) Geochemistry and Age Determinations of Lava Flows in the Northeastern San Francisco Volcanic Field, Northern Arizona. Cordilleran Section GSA Abstracts with Programs, p. 95.
Hanson, S.L., Falster, A.U, and Simmons, W.B. (2010) Kinoite from Calumet, MI and the Santa Rita Mountains of Arizona. Rochester Mineralogical Symposium Abstracts. No. 37, p. 13-14.
Hanson, S.L. (2009) Evaluation of Potential Source Vents for the Grand Falls Lava Flow, San Francisco Volcanic Field, Northern Arizona. GSA Abstracts with Programs. v. 41, no.7, p. 644.
Hanson, S.L., Falster, A.U. and Simmons, W.B. (2009) Blue Wavellite from the de Linde Quarry, Garland County, Arkansas. Rochester Mineralogical Symposium Abstracts. No. 36, p. 15-16.
Hanson, S.L., Simmons, W.B. and Falster, A.U. (2008) Late Stage Mineralogy of the Seerie Pegmatite, South Platte Pegmatite District, Jefferson County, Colorado. Rochester Mineralogical Symposium Abstracts. No. 35 p. 19-20.
Hanson, S.L., Falster, A.U. and Simmons, W.B. (2008) Rare-Earth Element Distribution in the Mojave County Pegmatites, Northwestern Arizona. Cordilleran / Rocky Mountain Section GSA Abstracts with Programs. v. 40, no.1, p. 34.
Hanson, S.L., Simmons, W.B., and A.U Falster, A.U. (2007) A Reevaluation of Nb-Ta-Ti Oxides from the Rare Metals Mine, Mojave County Pegmatite District, Northwestern Arizona Rochester Mineralogical Symposium Abstracts. No. 34, p.13-14.
Hanson, S.L. (2006) Correlation of Lava Flows at Wupatki National Monument, Northern Arizona. GSA Abstracts with Programs. v. 38, no.7, p. 36
Hanson, S.L., Simmons, W.B. and Falster, A.U. (2006) Quest for the Rare Metals Mine, Mojave County Pegmatite District, Northwestern Arizona. Rochester Mineralogical Symposium Abstracts No. 33, p. 18-19.
Hanson, S.L. (2005) Roadside Geology of Wupatki and Sunset Crater Volcano National Monuments: A Self-guided Interpretative Booklet. GSA Abstracts with Programs. v. 37, no 7, p. 397.
Hanson, S.L., Falster, A.U. and Simmons, W.B. (2005) Rare-Earth Mineralogy of the Mohave County Pegmatites, Northwestern Arizona. Rochester Mineralogical Symposium Abstracts, p. 14-15.
Hanson, S.L. Simmons, W.B and Falster A.U. (2004) Samarskite-(Yb): A New Mineral Indicating Extreme HREE Enrichment in the South Platte NYF Pegmatite District, Colorado. GSA Abstracts with Programs. v. 36, No. 5, p. 115.
Hanson, S.L., Falster, A.U., Nizamoff, J.W. and Simmons, W.B. (2004) Beryllium Mineralization of Pegmatite Pockets in the Wausau Complex, Marathon County, Wisconsin. Rochester Mineralogical Symposium Abstracts, p. 9-10.
Hanson, S.L. Age, geochemistry and origin of lava flows from Wupatki National Monument in the northeastern San Francisco Volcanic Field, northern Arizona, USA. (in prep.).
Zito, G., Hanson, S.L., and Falster, A.U. (2022) Beryllium minerals of the Mount Rosa Complex area near Colorado Springs, Colorado, USA. (submitted to Rocks & Minerals; 97:5, 412-423.
Alfano, F., Ort, M., Pioli, L., Self, S., Hanson, S.L., Clarke, A., Roggensack, K., Allison, C., Amos, R. (2019) Sub-Plinian monogenetic basaltic eruption of Sunset Crater, Arizona, USA. Geological Society of America Bulletin, 131/3, 661-674.
Hanson, S.L., Falster, A.U., Simmons, W.B., Sprague, R., Vignola, P., Rotiroti, N, Ando, S., and Hatert, F. (2018) Tantalowodginite, (Mn0.50.5)TaTa2O8, a new mineral species from the Emmons pegmatite, Uncle Tom Mountain, Maine, U.S.A. Canadian Mineralogist , v. 56, p. 543-553.
Zito, G. and Hanson, S.L. (2017) Genthelvite overgrowths on danalite cores from a pegmatite miarolitic cavity in Cheyenne Canyon, El Paso Co., Colorado. Canadian Mineralogist, 55, p. 195-206.
Hanson, S.L. (2016) A Tectonic Evaluation of Pegmatite Parent Granite. Canadian Mineralogist, 54, 917-933.
Zito, G. and Hanson, S.L. (2014) Minerals from Miarolitic Pegmatites in the Stove Mountain Area, Colorado Springs, Colorado. Rocks and Minerals v. 89, 224-237.
Simmons, W.B., Hanson, S.L., Webber, K.L. and Falster, A.U. (2012) A Comparison of the Mineralogical and Geochemical Character and Geologic Setting of Proterozoic REE-rich Granitic Pegmatites of the North-Central and South-Western US. Canadian Mineralogist, 50. p. 1695-1712.
Hanson, S.L., Falster, A.U., Simmons, W.B., and Brown, T.A. (2012) Allanite-(Nd) from the Kingman Feldspar Mine, Mojave Pegmatite District, Northwestern Arizona, USA. Canadian Mineralogist, 50, p. 815-824.
Hanson, S.L., Falster, A.U. and Simmons, W.B. (2008) Mineralogy of Fumarole Deposits at Sunset Crater Volcano National Monument, Northern Arizona. Rocks and Minerals, 83 (6) p. 534-544.
Hanson, S.L, Duffield, W., and Plescia, J. (2008) Quaternary Volcanism in the San Francisco Volcanic Field: Recent Basaltic Eruptions that Profoundly Impacted the Northern Arizona Landscape and Disrupted the Lives of Nearby Residents. In Field Guide to plutons, volcanoes, faults, reefs, dinosaurs, and possible glaciation in selected areas of Arizona, California, and Nevada (E.M. Duebendorfer and E.I. Smith, eds.). Geological Society of America Field Guide 11, p. 173-186.
Simmons W. B., Hanson, S. L., and Falster, A. U. (2006) Samarskite-(Yb): A New Mineral from the Little Patsy Pegmatite, Jefferson County, CO. Canadian Mineralogist. 44, p.1119-1125.
Hanson, S.L. (2003) Roadside Geology: Wupatki and Sunset Crater Volcano National Monuments. Arizona Geological Survey Down-to-Earth 15, 32 p.
Recent Conference Publications/Presentations
Hanson, S.L. (2016): Using Pearce Discrimination Diagrams to Evaluate the Tectonic Regime for Pegmatite Parent Granite. 2ndAnnual Foord Symposium on Pegmatites Abstracts, Short Papers, Posters and Program, p. 43-44.
Hanson, S.L. (2016): A Tectonic Evaluation of Pegmatite Parent Granite. Rochester Mineralogical Symposium Abstracts. p. 12-13.
Hanson, S.L. (2015): A Geochemical Evaluation of Pegmatite Parent Granite. Pegmatite 2015 Conference Proceedings. p. 36-37.
Falster, A.U., Simmons, W.B., Sprague, R. and Hanson, S.L. (2015): Tin, niobium and tantalum mineralization in the Emmons pegmatite, Greenwood, Oxford County, Maine,USA. Pegmatite 2015 Conference Proceedings. p. 20-21.
Hanson, S.L, Falster, A.U., and Simmons, W.B. (2015): A New Occurrence of Ludgwigite from Potrero Chico, Nuevo Leon, Mexico. Rochester Mineralogical Symposium Abstracts. No. 42, p. 12.
Hanson, S.L., Falster, A.U., and Simmons, W.B. (2014): Unusual Mineralogy and Chemistry of the Kingman Feldspar Pegmatite, Mojave Pegmatite District, Northwestern AZ. GSA Abstracts with Programs https://gsa.confex.com/gsa/2014AM/finalprogram/abstract_246334.htm.
Hanson, S.L., Simmons, W.B., and Falster, A.U (2014) Contact Metamorphic Minerals from the Alta Aureole, Central Wasatch Mountains. Rochester Mineralogical Symposium Abstracts No. 41, p. 13-14.
Hanson, S.L., Simmons, W.B., and Falster, A.U (2013) Mineralogy, Petrology and Origin of the Kingman Pegmatite, Northwestern Arizona, USA. Pegmatite 2013 Conference Proceedings. P. 61-62.
Hanson, S.L., Falster, A.U., Simmons, W.B. and Sprague, R. (2013) Wodginite Group Species from the Emmons Pegmatite, Greenwood, Oxford County, Maine, USA. Pegmatite 2013 Conference Proceedings. P 59-60.
Hanson. S.L.and Zito G. (2013) Mineralogy of Miarolitic Pegmatites in the Stove Mountain Area, Colorado. Rochester Mineralogical Symposium Abstracts. No. 40, p. 14-15.
Brown, T.A., Hanson, S.L. and Falster, A.U. (2013) New Data on Planerite from Mauldin Mountain, Montgomery County, Arkansas Rochester Mineralogical Symposium Abstracts. No. 40, p. 8-9.
Hanson, S.L., Falster, A.U., Simmons, W.B (2012) Hydrothermal Mineralization in Lithophysal Cavities from the Taylor Creek Rhyolite, Sierra County, Southwestern New Mexico. Rochester Mineralogical Symposium Abstracts. No. 39, p. 23-24.
Hanson, S.L., Simmons, W.B., Falster, A.U., and Brown TJ (2011) Influence of Tectonic Setting on Geochemical Characteristics of Post-orogenic Pegmatites: an Example from the Mojave Pegmatite District, Northern Arizona. American Geophysical Union, Fall Meeting 2011, abstract #V21D-2532, p. D2532.
Hanson, S.L., Falster, A.U., Simmons, W.B., and Brown TJ (2011) Nd-enrichment in the Kingman Feldspar Pegmatite, Mojave Pegmatite District, Northwestern AZ. South Central Section GSA Abstracts with Programs, p. 43.
Hanson, S.L., Brown, TJ, Falster, A.U., and Simmons, W.B. (2011) “Allanite-(Nd)”: A new Mineral from the Kingman Feldspar Mine in the Mojave Pegmatite District, Northwestern Arizona. Rochester Mineralogical Symposium Abstracts. No. 38, p. 20-22.
Simmons, W.B., Webber, K., Falster, A.U., Hanson, S.L., Brown, TJ (2011) Geochemistry of REE-rich Pegmatites from Different Tectono-magmatic Provinces in South Platte, CO, Trout Creek Pass, CO, Kingman and Aquarius Range, AZ, North America. Contributions to the 5th International Symposium on Granitic Pegmatites. p 13-17.
Hanson, S.L (2010) Eruptive History of the Sunset Crater Volcanic Chain, Northern Arizona. GSA Abstracts with Programs. v. 42 p. 224.
Hanson, S.L. (2010) Geochemistry and Age Determinations of Lava Flows in the Northeastern San Francisco Volcanic Field, Northern Arizona. Cordilleran Section GSA Abstracts with Programs, p. 95.
Hanson, S.L., Falster, A.U, and Simmons, W.B. (2010) Kinoite from Calumet, MI and the Santa Rita Mountains of Arizona. Rochester Mineralogical Symposium Abstracts. No. 37, p. 13-14.
Hanson, S.L. (2009) Evaluation of Potential Source Vents for the Grand Falls Lava Flow, San Francisco Volcanic Field, Northern Arizona. GSA Abstracts with Programs. v. 41, no.7, p. 644.
Hanson, S.L., Falster, A.U. and Simmons, W.B. (2009) Blue Wavellite from the de Linde Quarry, Garland County, Arkansas. Rochester Mineralogical Symposium Abstracts. No. 36, p. 15-16.
Hanson, S.L., Simmons, W.B. and Falster, A.U. (2008) Late Stage Mineralogy of the Seerie Pegmatite, South Platte Pegmatite District, Jefferson County, Colorado. Rochester Mineralogical Symposium Abstracts. No. 35 p. 19-20.
Hanson, S.L., Falster, A.U. and Simmons, W.B. (2008) Rare-Earth Element Distribution in the Mojave County Pegmatites, Northwestern Arizona. Cordilleran / Rocky Mountain Section GSA Abstracts with Programs. v. 40, no.1, p. 34.
Hanson, S.L., Simmons, W.B., and A.U Falster, A.U. (2007) A Reevaluation of Nb-Ta-Ti Oxides from the Rare Metals Mine, Mojave County Pegmatite District, Northwestern Arizona Rochester Mineralogical Symposium Abstracts. No. 34, p.13-14.
Hanson, S.L. (2006) Correlation of Lava Flows at Wupatki National Monument, Northern Arizona. GSA Abstracts with Programs. v. 38, no.7, p. 36
Hanson, S.L., Simmons, W.B. and Falster, A.U. (2006) Quest for the Rare Metals Mine, Mojave County Pegmatite District, Northwestern Arizona. Rochester Mineralogical Symposium Abstracts No. 33, p. 18-19.
Hanson, S.L. (2005) Roadside Geology of Wupatki and Sunset Crater Volcano National Monuments: A Self-guided Interpretative Booklet. GSA Abstracts with Programs. v. 37, no 7, p. 397.
Hanson, S.L., Falster, A.U. and Simmons, W.B. (2005) Rare-Earth Mineralogy of the Mohave County Pegmatites, Northwestern Arizona. Rochester Mineralogical Symposium Abstracts, p. 14-15.
Hanson, S.L. Simmons, W.B and Falster A.U. (2004) Samarskite-(Yb): A New Mineral Indicating Extreme HREE Enrichment in the South Platte NYF Pegmatite District, Colorado. GSA Abstracts with Programs. v. 36, No. 5, p. 115.
Hanson, S.L., Falster, A.U., Nizamoff, J.W. and Simmons, W.B. (2004) Beryllium Mineralization of Pegmatite Pockets in the Wausau Complex, Marathon County, Wisconsin. Rochester Mineralogical Symposium Abstracts, p. 9-10.