- Berke, E.S., Spry, P.G., Heimann, A., Teale, G.S., Johnson, B., Von Der Handt, A., Alers, B., and Shallow, J.M., 2022. The Genesis of Metamorphosed Paleoproterozoic Massive Sulfide Occurrences in Central Colorado: Geological, Mineralogical and Sulfur Isotope Constraints. In Geological Society of America Annual Meeting Abstracts with Programs, Vol. 54, No. 5, Denver, CO, DOI: 10.1130/abs/2022AM-378319.

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- Noffke, N., Heimann, A., et al., 2022. Treatise of Invertebrate Paleontology: A Volume Dedicated to Prokaryotes. In Geological Society of America Annual Meeting Abstracts with Programs, Vol. 54, No. 5, Denver, CO, doi: 10.1130/abs/2022AM-381982.

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- Tomasic, P.*, Heimann Rios, A., Alonso-Perez, R., Dyar, M.D., and Lanzirotti, A., 2021. XANES Spectroscopy Characterization of Fe, Cr, V, And Mn K-Pre-edges in Emerald and Other Beryl Varieties and Relationship with Color. In Geological Society of America Annual Meeting Abstracts with Programs, Vol 53, No. 6, Portland, OR, doi:10.1130/abs/2021AM-371303.

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- Hammerstrom*, A.J., Heimann Rios, A., Cummings*, T.L., Murrie*, A., Pertunen*, B., and Beard, B.L., 2020. Iron Isotope Systematics of the Skaergaard Layered Mafic Intrusion, Greenland: Mineralogic Constraints on Bulk Rock Fe Isotope Compositions. In Geological Society of America Annual Meeting Abstracts with Programs. Virtual.

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- Gray*, D.X., Alonso-Perez, R., and Heimann, A., 2019. Emerald characterization by Raman spectroscopy and its application for provenance. Geological Society of America Abstracts with Programs, Southeastern Section, spring 2019, Vol. 51, No. 3, Charleston, South Carolina, USA.

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- Alonso-Perez, R., Heimann-Rios, A., Day, J.M.D., Gray*, D.X., Lanzarotti, A., Dyar, D.D., and Zwaan, H., 2018. A multidisciplinary approach towards examining the sources of emeralds. Gemological Institute of America meeting abstract.

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- Mitchell*, N., and Heimann, A., 2017. Trace-element composition of garnet as a tool to distinguish pegmatite families. Geological Society of America Abstracts with Programs, Vol. 49, No. 3. South Eastern GSA meeting, Richmond, VA, 30-31 March.

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- Heimann, A., Spicuzza, M, and Valley, J., 2016. A multifaceted approach to study Fe and O isotope fractionation during hydrothermal alteration at the Skaergaard intrusion. Abstracts, Penrose Conference on mafic Layered Intrusions and Economic Deposits. Red Lodge, MO, August 2016.

 

- Cummings,* T., Hammerstrom*, A., Xu, Xuifang, and Heimann, A., 2016. Re-evaluation of Fe-Ti oxide exsolution relationships in the Skaergaard layered mafic intrusion via detailed micro-analytical studies. Abstracts, Penrose Conference on mafic Layered Intrusions and Economic Deposits. Red Lodge, MO, August 2016.

 

- Hammerstrom*, A., Cummings*, T., and Heimann, A., 2016. Iron isotope geochemistry of layered mafic intrusions: Previous and future work. Abstracts, Penrose Conference on mafic Layered Intrusions and Economic Deposits. Red Lodge, MO, August 2016.

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- Heimann, A., Yonts, J.*, Wise, M., Spry, P., and O’Brien, J., 2015. The major- and trace-element composition of gahnite as a chemical discriminant for granitic pegmatites and Broken Hill-type Pb-Zn-Ag deposits. Geological Society of America Abstracts with Programs, Annual GSA meeting, Baltimore, MD.

 

- Heimann, A., Robinson, M.*, and Cameron, C.*, 2015. Re-evaluation of Fe-Ti oxide relationships in the Skaergaard intrusion and implications for the interpretation of bulk-mineral and in-situ Fe isotope variations. Geological Society of America Abstracts with Programs, Annual GSA meeting, Baltimore, MD.

 

- Anderson, E.*, and Heimann, A., 2014. Investigation of the origin of the ~2.5 billion year old (Ga) Valentines iron formation, Uruguay as insight to the redox conditions of early earth oceans. State of North Carolina Undergraduate Creativity And Research Symposium, Abstracts, p. 43-44. November 2014, Raleigh, NC. http://www.sncurcs.org/2014%20items/2014%20SNCURCS%20Abstract%20Book.pdf.

 

- Lancaster, H.*, Heimann, A., and Lateulade, R., 2014. Genesis of the Valentines Iron Formation, eastern Uruguay, and significance for the redox conditions of the early Earth oceans.  Geological Society of America Abstracts with Programs, Vol. 46, No. 3, p. 29.  SE GSA meeting, Blacksburg, VA.

 

- Yonts, J.*, Heimann, A., Bitner, J., Galliski, M., and Leyh, W. 2014. A comparison between the chemical composition of gahnite in granitic pegmatites from the Pampean Pegmatite Province and a metamorphosed massive sulfide deposit: A possible new exploration guide.  Geological Society of America Abstracts with Programs, Vol. 46, No. 3, p.78. Blacksburg, VA.

 

Serna, E.*, Heimann, A., and Spry, P.G., 2013. Geochemistry and Genesis of 1.69 Ga Iron Formations Spatially Associated with the Giant Broken Hill Pb-Zn-Ag Deposit, Curnamona Province, Australia.  AAPG/SEG Student Expo, AAPG Search and Discovery Article #90182 (2013), Houston, Texas, September 16-17, 2013.

 

- Yonts, J.*, Heimann, A., Wise, M., Soares, D., and Mousinho Ferreira, A., 2013.  The composition of gahnite as indicator of rare metal (Li) mineralization in granitic pegmatites. International Symposium on Granitic Pegmatites 2013, New Hampshire. Abstracts with Programs, p. 158.

 

- Moretz, L.*, Heimann, A., Wise, M., Soares, D.R., and Mousinho Ferreira, A., 2013.  The composition of garnet as indicator of rare metal (Li) mineralization in granitic pegmatites. International Symposium on Granitic Pegmatites 2013, New Hampshire.   Abstracts with Programs, p. 94.

 

- Spry, P.G., O'Brien, J.J., Heimann, A., Teale, G. S., and Jackson, S., 2013.  The chemistry of gahnite and garnet in lode horizon rocks as exploration guides to Broken Hill-type mineralization, Broken Hill area, Australia.  Geological Association of Canada - Mineralogical Association of Canada Annual Meeting. (Invited Keynote). Winnipeg, Canada. Abstracts with Programs, Vol. 36, 180-181.

 

- Sardi, F.^, Heimann, A., and Martinez, J., 2013.  Geología local y nuevos aportes al conocimiento mineralógico del Distrito Velasco de la Provincia Pegmatítica Pampeana, Noroeste de Argentina.  2o Simposio Sobre Petrologia Ignea y Metalogenesis Asociada, PIMA 2013, San Luis, Argentina.  

 

- Heimann, A., Bitner, J.*, Wise, M.A., Rodrigues Soares, D., Mousinho Ferreira, A.C., 2012. The composition of garnet in granitic pegmatites. Geological Society of America Abstracts with Programs, Vol. 44, 7, p. 225. Charlotte, NC.  

 

- Heimann, A., Bitner, J.* Wise, M.A., Rodrigues Soares, D., Mousinho Ferreira, A.C., 2012. The composition of gahnite in granitic pegmatites. Geological Society of America Abstracts with Programs, Vol. 44, 4, p. 69.

 

- Bitner, J.*, Heimann, A., Wise, M.A., Rodrigues Soares, D., Mousinho Ferreira, A.C., 2011. Garnet and gahnite from the Borborema Pegmatite Province, northeastern Brazil, as indicators of pegmatite evolution and potential for rare-metal mineralization. Geological Society of America Abstracts with Programs, Vol. 43, No. 5, p. 413.

 

- Ludois, J.M., Heimann, A., Johnson, C.M., Beard, B.L., Valley, J.W., Roden, E.E., Spicuzza, M.J., Beukes, N.J., 2010. Sr isotopes in Banded Iron Formation Carbonates: Disequilibrium with ancient seawater. Geochimica et Cosmochimica Acta, 74, 12, 1, A640, Goldschmidt conference, Tennessee.

 

- Heimann, A., Johnson, C.M., Beard, B.L., Valley, J.W., Roden, E.E., Spicuzza, M.J., Beukes, N.J., 2010. Fe, C, and O isotope compositions of banded iron formation carbonates demonstrate the role of bacterial dissimilatory iron reduction in ~ 2.5 b.y. old marine environments. Geological Society of America Abstracts with Programs, Vol. 42, No. 1, p. 77.

 

- Johnson, C.M., Heimann, A., Beard, B.L., Valley, J.W., Roden, E.E., Spicuzza, M.J., Beukes, N.J.,  2010. Iron, carbon, and oxygen isotope compositions of banded iron formation carbonates demonstrate a major role for microbial dissimilatory iron reduction in 2.5 b.y. old marine environments. Astrobiology Science Conference 2010.

 

- Ludois, J.L., Heimann, A., Johnson, C.M., Beard, B.L., Valley, J.W., Roden, E.E., Spicuzza, M.J., 2010. Strontium isotopes of banded iron formation carbonates: an argument against iron carbonates precipitating from sea water. Astrobiology Science Conference 2010.

 

- Beard, B.L., Handler, R., Scherer, M.M., Wu, L., Czaja, A.D., Heimann, A., Johnson, C.M., 2010.  Three Isotope Method Determination of the Equilibrium Fe Isotope Fractionation Between Aqueous Fe(II) and Goethite. Astrobiology Science Conference 2010.

 

- Spry, P.G., Both, R.A., Ogierman, J., McElhinney, R., and Heimann, A., 2010. Origin of the Angas Zn-Pb-Ag deposit, Kanmantoo Group, South Australia. Society of Economic Geologists SEG 2010 Conference, Keystone, Colorado, Extended Abstracts, Abstract D-19, 3 pages.

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- Heimann, A., Johnson, C.M., Beard, B.L., Valley, J.W., Spicuzza, M.J., 2009. The role of microbial processes in Banded Iron Formation (BIF) genesis as constrained by Fe, C, and O isotopes in BIF carbonates. Geochimica et Cosmochimica Acta, 73, 13, A513. Goldschmidt conference, Davos, Switzerland.

 

- Heimann, A., Beard, B.L., and Johnson, C.M., 2008. The role of volatile exsolution and sub-solidus fluid/rock interactions in producing high 56Fe/54Fe ratios in siliceous igneous rocks.  Geochimica et Cosmochimica Acta, 72, 12, A390.  Goldschmidt conference, Vancouver, Canada.

 

- Heimann, A., Beard, B.L., and Johnson, C.M., 2007. Fe isotopes in siliceous igneous rocks: evidence for fluid-rock interaction in plutons. Geochimica et Cosmochimica Acta, 71, 15, A390. Goldschmidt conference, Cologne, Germany.

 

- Heimann, A., Spry, P.G., Teale, G.S., Conor, C.H.H., and Leyh, W.R., 2006. Geochemistry of garnet-rich rocks, southern Curnamona Province, Australia: genesis and implications for Broken Hill-type mineralisation.  In: Korsch, R.J. and Barnes, R.G. (ed.), Broken Hill Exploration Initiative (BHEI), Abstracts of the September 2006 Conference, Geoscience Australia Record 2006/21, 26-33.

 

- Heimann, A., Spry, P.G., Teale, G.S., Conor, C.H.H., and Pearson, N.J., 2005.  Rare-earth and major element chemistry of garnet-rich rocks in the southern Curnamona Province, Australia: implications for the exploration of Broken Hill-type Pb-Zn-Ag deposits. Geological Society of America Abstracts with Programs, Vol. 37, No. 7.

 

- Heimann, A., Spry, P.G., Teale, G.S., Colin C.H.H., and Pearson, N.J., 2005. The origin of garnet-rich rocks at Raven Hill (Cathedral Rock), Olary Domain, Curnamona Province, Australia, and their genetic relationship to Broken Hill-type mineralization. Geological Society of America Abstracts with Programs, Vol. 37, No. 5.

 

- Spry, P.G., Teale, G.S., Plimer, I.R., and Heimann, A., 2005. Did the giant stratiform Broken Hill Pb-Zn-Ag deposit, Curnamona Province (Australia) melt? Geological Society of America Abstracts with Programs, Vol. 37, No. 5.

 

- Spry, P.G., Heimann, A., Messerly, J.D., Houk, R.S., and Teale, G.S., 2004. Discrimination of metamorphic and metasomatic processes at the Broken Hill lead-zinc-silver deposit, Australia: rare earth element signatures of garnet in garnet-rich rocks. Geological Society of America Abstracts with Programs, Vol. 36, No. 5.

 

- Heimann, A., Spry, P.G., and Teale, G.S., 2004. The genetic relationship between garnet- and gahnite-rich rocks associated with Broken Hill-type mineralization in the Olary Domain, Curnamona Province, Australia, to the super large Broken Hill Pb-Zn-Ag deposit. 32nd International Geological Congress.

 

- Heimann, A., Spry, P.G., and Teale, G.S., 2004. Comparison between lower amphibolite facies garnet-gahnite-bearing rocks in the Mundi Mundi Plain (Olary Domain) and those metamorphosed to granulite facies at the giant Broken Hill Pb-Zn-Ag deposit, Australia. Geological Society of America Abstracts with Programs, Vol. 36, No. 3, p. 19.

 

- Spry, P.G., Heimann, A., and Teale, G.S., 2004. Gahnite-garnet-staurolite relations to Proterozoic Broken Hill-type Pb-Zn-Ag mineralization in the Mutooroo area, Broken Hill Domain, South Australia. Geological Society of America Abstracts with Programs, Vol. 36, No. 3, p. 19.

 

- Spry, P.G., Plimer, I.R., Teale, G.S., and Heimann, A., 2004. Garnet-rich rocks and their genetic relationship to the Broken Hill lead-zinc-silver deposit, New South Wales, Australia. Joint Assembly of the American Geophysical Union (AGU), the Canadian Geophysical Union, and the Society of Economic Geophysicists.

 

- Spry, P.G., Teale, G.T., and Heimann, A., 2003. Speculations concerning the origin and exploration significance of lode rocks in the Curnamona Province. In: Peljo, M. (ed.), BHEI Abstracts. Geoscience Australia, Record 2003/13, 162-165.

 

- Spry, P.G., Teale, G.S., and Heimann, A., 2003. Multiple origins of gahnite (zincian spinel) associated with Broken Hill-type lead-zinc-silver mineralization in the Proterozoic Curnamona Province, Australia. Geological Society of America Abstracts with Programs, Vol. 35, No. 6, p. 402.

 

- Heimann, A., 2002. Mineralogical study of zincian spinel-bearing rocks associated with Proterozoic metamorphosed massive sulfide deposits, Colorado. Society of Economic Geologists website, www.segweb.org/AbstractSummary01.htm.

 

- Heimann, A., Spry, P.G., and Teale, G.S., 2002.  The composition of zinc-rich spinels associated with metamorphosed massive sulfide deposits: a reexamination.  Geological Society of America Abstracts with Programs, Vol. 34, No. 6, p. 339.

 

- Heimann, A., Spry, P.G., and Teale, G.S, 2002.  Corona structures involving hercynite and högbomite reactions in gedrite-cordierite gneisses from Evergreen, Colorado. Geological Society of America Abstracts with Programs, Vol. 34, No. 2, p. 22.

 

- Ledesma, J.J., Heimann, A., and Bergalli, L., 2001. El metagabro de Cerro San Carlos: roca relacionada a una veta de cuarzo aurífero en el cratón del Río de la Plata, SW de Uruguay. Abstracts, III Uruguayan Congress and Latin-American Congress.

 

- Oyhantçabal, P., Spoturno, J.J., Goso, E., Heimann, A., and Bergalli, L.  2001. Asociaciones litológicas en las supracrustales del Grupo Lavalleja y sus intrusiones asociadas, en la hoja "Fuente del Puma" (sur de Minas, Uruguay). III Uruguayan Congress and Latin-American Congress.

 

- Ledesma, J.J., Heimann, A., and Bergalli, L., 2000. Cerro San Carlos gabro: a rock related to a gold-bearing quartz vein, Cratón del Río de La Plata, Uruguay. 31st International Geological Congress, Abstracts.

 

- Oyhantçabal, P., Spoturno, J., and Heimann, A., 2000. Non–metallic minerals, dimensional stones and gemstones of Uruguay,“red xxx-c (rimin)-cyted.” 31st International Geological Congress, Abstracts.

 

- Oyhantcabal, P., Heimann, A., Spoturno, J., Bergalli, L., and Goso, E., 2000. Petrotectonic associations, deformational Features and Mineral Resources in the Lavalleja Group of the Dom Feliciano Belt (Uruguay). 31st International Geological Congress, Abstracts.

 

- Oyhantçabal, P., Heimann, A., Rossini, C., and Miranda, S., 1999. Magmatic strain evaluation in a syntectonic granite: Solis de Mataojo Granitic Complex (Uruguay). Atas do VII Sympósio Nacional de Estudos Tectônicos. Sessão 5. p 7-10.