Sara Kimmig

Research Associate

Sara is a research affiliate working in Invertebrate Paleontology. Her research interests are in isotope geochemistry, sedimentary geochemistry, and biogeochemistry.

Publications: 

Peer Reviewed

Kimmig, S. R., Holmden, C. & Bélanger, N. (2018) Biogeochemical cycling of Mg and its isotopes in a sugar maple forest in Québec. Geochimica et Cosmochimica Acta 230, 60–82. DOI://10.1016/j.gca.2018.03.020

Kimmig, S. R., & Holmden, C. (2017) Multi-proxy geochemical evidence for primary aragonite precipitation in a tropical-shelf ‘calcite sea’ during the Hirnantian glaciation. Geochimica et Cosmochimica Acta 206, 254–272. DOI://10.1016/j.gca.2017.03.010

Worsham S. R., Holmden C. & Qing H. (2013) Preliminary results of a magnesium isotope study of dolomite in Upper Ordovician strata, southeastern Saskatchewan, northern Williston Basin. In Summary of Investigations 2013, Sask. Geol. Survey, Sask. Ministry Econ., Misc. Rep. 2013-4.1, 1(A-9), 1–8. http://publications.gov.sk.ca/documents/310/91937-SOI2013V1_A9_Worsham_et_al.pdf

Gunnell G. F., Worsham S. R., Seiffert E. R. & Simons E. L. (2009) Vampyravus orientalis Schlosser (Chiroptera) from the Early Oligocene (Rupelian), Fayum, Egypt – body mass, humeral morphology and affinities. Acta Chiropterologica 11(2), 271–278. DOI://10.3161/150811009X485512

Non Peer Reviewed 

Worsham S. R. EnvironMetal Isotopes (EMI) 2013 – A ‘non-traditional’ location for a ‘non-CHONS’ conference. EAG Blog. October 2013

Worsham S., Holmden C. & Bélanger N. (2012) Magnesium isotope cycling within Acer saccharum (sugar maple). Mineralogical Magazine 76(6), 2554.

Worsham S., Holmden C. & Bélanger N. (2011) Magnesium isotope fractionation in a hardwood forest of Southern Québec, Canada. Mineralogical Magazine 75(2), 2178.

Worsham S. (2008). Hydrazine. Toxipedia. URL: http://www.toxipedia.org/display/toxipedia/Hydrazine

Education: 

PhD Geology, University of Saskatchewan

BSc Honors Environmental Geosciences, University of Michigan

Professional Presentations: 

Invited Presentations

Using a novel Mg isotope tracer to investigate the dolomitization of the Red River Formation in the Williston Basin. The University of Idaho/Washington State University Fall 2015 Seminar Series October 2015 | Pullman, WA, USA

Magnesium isotope fractionation in a hardwood forest of Southern Québec, Canada. Goldschmidt Conference August 2011 | Prague, Czech Republic

Conference Presentations

Aragonite precipitation in the Late Ordovician ‘calcite sea’ – evidence from a multi-proxy geochemical approach. Geological Society of America (GSA) 2017 October 2017 | Seattle, WA, USA

Mg isotope tracing of fluid migration during dolomitization. Geological Association of Canada/Mineralogical Association of Canada (GAC/MAC) 2017 May 2017 | Kingston, ON, Canada

Mg isotope tracing of fluid migration during dolomitization. Dolomieu (200 + 25 Years of Dolomite) Conference on Carbonate Platforms and Dolomite October 2016 | Selva di Val Gardena, Italy

Using a novel Mg isotope tracer to investigate the dolomitization of the Red River Formation in the Williston Basin. American Geophysical Union Fall Meeting December 2015 | San Francisco, CA, USA

Mg and Sr isotope study of the dolomitization of the Red River Formation, Williston Basin. Saskatchewan Geological Open House December 2015 | Saskatoon, SK, Canada

sing a novel Magnesium isotope tracer to investigate the dolomitization of Upper Ordovician strata in the Williston Basin. Saskatchewan Geological Open House December 2014 | Saskatoon, SK, Canada

Magnesium isotope cycling within Acer saccharum (sugar maple). EnvironMetal Isotopes Conference (EMI) August 2013 | Ascona, Switzerland

Magnesium isotope tracing of dolomitization in the Williston Basin. 21st Annual Williston Basin Petroleum Conference (WBPC) May 2013 | Regina, SK, Canada

Magnesium isotope variability in whole-rock limestone through the Hirnantian glaciation event in an epeiric sea environment. American Geophysical Union Fall Meeting December 2012 | San Francisco, CA, USA

Magnesium isotope cycling within Acer saccharum (sugar maple). Goldschmidt Conference June 2012 | Montréal, QC, Canada

Magnesium isotope fractionation in a hardwood forest of Southern Québec, Canada. 6e Colloque annuel du Centre d'étude de la forêt (CEF) May 2012 | Rouyn-Noranda, QC, Canada

Magnesium and calcium isotope study of limestone and dolomite in Middle and Upper Ordovician strata of the Williston Basin. American Geophysical Union Fall Meeting December 2011 | San Francisco, CA, USA

Watershed 1 Ca addition: Are changes in foliar chemistry reflected in throughfall chemistry? Hubbard Brook Ecosystem Study, 45th Annual Cooperators’ Meeting July 2008 | Hubbard Brook Experimental Forest, NH, USA

Trace metal and mercury deposition to arctic ecosystems. 5th Annual Michigan Geophysical Union, University of Michigan March 2008 | Ann Arbor, MI, USA

Professional Societies: 

American Geophysical Union (AGU)

Geochemical Society (GS)

European Association of Geochemistry (EAG)

Geological Society of America (GSA)

International Association of Sedimentologists (IAS)

Association for Women Geoscientists (AWG)

Saskatchewan Geological Survey (SGS)