Douglas Tinkham

Research

• Metamorphism of hydrothermally altered rocks associated with ore deposits
• Phase equilibria analysis of metamorphis rocks and geochronology
• Metamorphic and tectonic evolution of orogenic belts
• Lithogeochemistry and mapping of hydrothermal alteration zones in metamorphic terranes
• Partial melting of rocks during metamorphism
• Trace-element chemistry of metamorphic minerals

Students interested in MSc or PhD projects in any of the fields listed above should send a CV and detailed statement of interest to me at dtinkham@laurentian.ca. Students are strongly encouraged to apply for external fellowships and scholarships (e.g., NSERC fellowship). 

Teaching

GEOL 2006 Field Geology I

GEOL 2807 Geochemistry I

GEOL 3207 Metamorphic Petrology

GEOL 4307 Polyphase Metamorphism and Deformation

GEOL 5207 Topics in Metamorphic Geology

Publications

Journal Publications (past 5 years) 

• Leung, D.D., Tinkham, D.K., & McDonald, A.M., in-press, Application of thermodynamic modeling (activity diagrams) to carbonated ultramafic rocks associated with orogenic gold environments: Canadian Journal of Mineralogy and Petrology. doi: 10.3749/2400012.

• Genereux, C.-A., Lafrance, B., Tinkham, D.K., Gordon, C.A., and Simard, R.-L., 2024, Transpression or polyphase deformation along craton margins: Insights from the Archean–Proterozoic boundary near Sudbury, Canada: Journal of Structural Geology, v. 181. https://doi.org/10.1016/j.jsg.2024.105103

• Godet, A., Guilmette, C., Marsh, J.H., Rottier, B., Tinkham, D., Siles Malta, I., Rehm, A., Jorgensen, T.R.C., Hamilton, M.A., Ribeiro, D., and Beaudoin, G., 2023, Origin, nature, and evolution of the northern Pontiac Subprovince, Canada; insights from the intrusive record: Precambrian Research, v. 396. https://doi.org/10.1016/j.precamres.2023.107169

• Genereux, C.-A., Tinkham, D.K., and Lafrance, B., 2021, On the role of shock melting and anatexis in breccia formation; southern Sudbury impact structure, Canada: Precambrian Research, v. 363. https://doi.org/10.1016/j.precamres.2021.106346

• Wehrle, E.A., McDonald, A.M., and Tinkham, D.K., 2020, Mineral chemistry of gahnite from the lalor metamorphosed VHMS deposit, Snow Lake, Manitoba: Canadian Mineralogist, v. 58, no. 4, p. 511–532. https://doi.org/10.3749/canmin.1900036

• Jørgensen, T. R. C., Tinkham, D. K. & Lesher, C. M., 2019. Low-P and high-T metamorphism of basalts: Insights from the Sudbury impact melt sheet aureole and thermodynamic modelling. Journal of Metamorphic Geology, 37(2), 271-313. https://doi.org/10.1111/jmg.12460

Journal, Book Chapter and Government Publications (> 5 years)

• Bovingdon, PJ, Tinham, D, and Steenkamp, HM. 2018. Mafic–ultramafic rocks north of Fury and Hecla Strait, Baffin Island, Nunavut. In: Summary of Activities 2018, p. 63-74, Canada-Nunavut Geosciene Office.

• Estrada, N, Tinkham, DK, Jørgensen, TRC, and Marsh, JH. 2018. Identification of Partial Melting Relationships in the Southern Kapuskasing Structural Zone. In: Summary of Field Work and Other Activities, 2018, Open File Report 6350, p. 31-1 to 31-7.

• Jørgensen, T. R. C., Tinkham, D. K., Lesher, C. M. & Petrus, J. A., 2018. Decoupling of Zr-Hf during contact metamorphic anatexis of metabasalts and timing of zircon growth, Sudbury, Canada. Geology (Boulder), 46(2), 159-162.

• Steenkamp, HM, Bovingdon, PJ, Dufour, F, Généreux, C-A, Greenman, JW, Halverson, GP, Ielpi, A, Patzke, M, and Tinham, DK. 2018. New regional mapping of Precambrian rocks north of Fury and Hecla Strait, northwestern Baffin Island, Nunavut. In: Summary of Activities 2018, p. 47-62, Canada-Nunavut Geosciene Office.

• Mahmoodi, O., Smith, R.S., and Tinkham, D.K., 2016. Supervised classification of down-hole physical properties measurements using neural network to predict the lithology. Journal of Applied Geophysics, v. 124, p. 17-26.

• Raharimahefa, T., Lafrance, B., and Tinkham, D.K., 2014. New structural, metamorphic, and U-Pb geochronological constraints on the Blezardian Orogeny and Yavapai Orogeny in the Southern Province, Sudbury, Canada. Canadian Journal of Earth Sciences, 750-774.

• Mukwakwami, J., Lafrance, B., Lesher, C. M., Tinkham, D. K., Rayner, N. M. & Ames, D. E., 2014. Deformation, metamorphism, and mobilization of Ni-Cu-PGE sulfide ores at Garson Mine, Sudbury. Mineralium Deposita, 49, 175-198.

• Cubley, J. F., Pattison, D. R. M., Tinkham, D. K. & Fanning, C. M., 2013. U-Pb geochronological constraints on the timing of episodic regional metamorphism and rapid high-T exhumation of the Grand Forks Complex, British Columbia. Lithos, 156-159, 241-267.

• Stowell, H., Bulman, G., Tinkham, D. & Zuluaga, C., 2011. Garnet growth during crustal thickening in the Cascades Crystalline Core, Washington, USA. Journal of Metamorphic Geology, 29(6), 627-647.

• Coueslan, C. G., Pattison, D. R. M. & Tinkham, D. K., 2011. Regional low-pressure amphibolite-facies metamorphism at the Pipe II Mine, Thompson nickel belt, Manitoba, and comparison of metamorphic isograds in metapelites and meta-iron formations. The Canadian Mineralogist, 49(3), 721-747.   

• Ulrich, T., Kamber, B. S., Jugo, P. J. & Tinkham, D. K., 2009. Imaging element-distribution patterns in minerals by laser ablation- inductively coupled plasma-mass spectrometry (LA-ICP-MS). The Canadian Mineralogist, 47(5), 1001-1012.

• Pattison, D. R. M. & Tinkham, D. K., 2009. Interplay between equilibrium and kinetics in prograde metamorphism of pelites; an example from the Nelson aureole, British Columbia. Journal of Metamorphic Geology, 27(4), 249-279.

• Ghent, E., Tinkham, D. & Marr, R., 2009. Lawsonite eclogites from the Pinchi Lake area, British Columbia; new P-T estimates and interpretation. Lithos, 109(3-4), 248-253.

• Tinkham, D. K. & Karlapalem, N., 2008. Hydrothermal alteration and metamorphism of the Sherridon Structure, Sherridon area, Manitoba (part of NTS 63N3). In: Report of Activities (Manitoba. Geological Survey), pp. 79-86, Manitoba Geological Survey, Winnipeg, MB, Canada.

• Stowell, H. H., Bulman, G. R., Zuluaga, C. A., Tinkham, D. K., Miller, R. B. & Stein, E., 2007. Mid-crustal Late Cretaceous metamorphism in the Nason Terrane, Cascades crystalline core, Washington, USA; implications for tectonic models. In: 4-D Framework of Continental Crust (eds Hatcher Jr., R. D., Carlson, M. P., McBride, J. H. & Martinez Catalan, J. R.) GSA Memoir 200, pp. 211-232, Geological Society of America (GSA), Boulder, CO, United States.

• Zuluaga, C. A., Stowell, H. H. & Tinkham, D. K., 2005. The effect of zoned garnet on metapelite pseudosection topology and calculated metamorphic P-T paths. American Mineralogist, 90(10), 1619-1628.

• Tinkham, D. K. & Ghent, E. D., 2005. XRMapAnal; a program for analysis of quantitative X-ray maps. American Mineralogist, 90(4), 737-744.

• Tinkham, D. K. & Ghent, E. D., 2005. Estimating P-T conditions of garnet growth with isochemical phase diagram sections and the problem of effective bulk composition. The Canadian Mineralogist, 43, Part 1, 35-50.

• Tinkham, D. K. & Marshak, S., 2004. Precambrian dome-and-keel structure in the Penokean orogenic belt of northern Michigan, USA. In: Gneiss Domes in Orogeny (eds Whitney, D. L., Teyssier, C. & Siddoway, C. S.) Geological Society of America Special Paper 380, pp. 321-338, Geological Society of America (GSA), Boulder, CO, United States.

• Stowell, H. H. & Tinkham, D. K., 2003. Integration of phase equilibria modelling and garnet Sm-Nd chronology for construction of P-T-t paths; examples from the Cordilleran Coast plutonic complex, USA. In: Geochronology: Linking the Isotopic Record with Petrology and Textures (eds Vance, D., Muller, W. & Villa, I. M.) Geological Society Special Publication 220, pp. 119-145, Geological Society of London, London, United Kingdom.

• Tinkham, D. K., Zuluaga, C. A. & Stowell, H. H., 2001. Metapelite phase equilibria modeling in MnNCKFMASH; the effect of variable Al2O3 and MgO/(MgO+FeO) on mineral stability. Geological Materials Research, 3(1).

• Stowell, H. H., Taylor, D. L., Tinkham, D. L., Goldberg, S. A. & Ouderkirk, K. A., 2001. Contact metamorphic P-T-t paths from Sm-Nd garnet ages, phase equilibria modelling and thermobarometry; garnet ledge, south-eastern Alaska, USA. Journal of Metamorphic Geology, 19(6), 645-660.

• Holm, D., Schneider, D., Lux, D., Marshak, S., Tinkham, D., Alkmim, F. F., Brueckner, H. K. & Bornhorst, T. J., 1998. Dome-and-keel provinces formed during Paleoproterozoic orogenic collapse; core complexes, diapirs, or neither? Examples from the Quadrilatero Ferrifero and the Penokean Orogen; discussion and reply. Geology (Boulder), 26(5), 475-476.

• Marshak, S., Tinkham, D., Alkmim, F., Brueckner, H. & Bornhorst, T. J., 1997. Dome-and-keel provinces formed during Paleoproterozoic orogenic collapse-core complexes, diapirs, or neither? Examples from the Quadrilatero Ferrifero and the Penokean Orogen. Geology (Boulder), 25(5), 415-418.

Conference Abstracts (past 5 years)

• Malta, I.S., Godet, A., Guilmette, C., Tinkham, D., Smit, M., Coldebella, B., LaFlamme, C., Beaudoin, G., and Rottier, B., 2023, Deciphering the metamorphic and structural architecture of the Pontiac metasedimentary Subprovince (Superior Craton, Canada, in Geological Association of Canada, Waterloo, ON, Canada.

• Rehm, A., Godet, A., Tinkham, D., and Guilmette, C., 2023, Metamorphic architecture and evolution of the Neoarchean Quetico sedimentary subprovince, Superior Province, in Geological Association of Canada, Waterloo, ON, Canada.

• Estrada, N., Tinkham, D.K., and Jorgensen, T., 2020, Garnet chemical zonation in high-pressure mafic migmatites in the northern Kapuskasing structural zone, Ontario, Canada, in Geological Society of America, 2020 annual meeting; GSA 2020 connects online: Geological Society of America (GSA), Boulder, CO, United States.

• Bovingdon, PJ, and Tinkham, DK, 2019. Evaluation of iron formation and mafic-ultramafic intrusions for economic potential: Results from new regional bedrock mapping, Northwestern Baffin Island. In: PDAC-SEG Student Minerals Colloquium, Abstracts. Toronto, ON, 05 Mar.

• Estrada, NS, Tinkham, DK, and Jørgensen, TRC, 2019. Preliminary investigation of partial melting relationships to identify the behavior of metals during high-grade metamorphism, Kapuskasing Structural Zone, Ontario, Canada. In: PDAC-SEG Student Minerals Colloquium, Abstracts. Toronto, ON, 05 Mar.