Ryan McKenzie

Sedimentary Geology & Earth Systems Evolution Group


*=postgraduate advisee; #=postdoctoral advisee; ^=undergraduate advisee

In the grinder...


*Liu H., Garber J., Smye A.J., Stockli D.F., Stockli L., *Colleps, C.L., Chen, W., Cole D., Planavsky N.J., & McKenzie N.R., submitted, Statistical assessment of zircon trace elements tracks magmatic and tectonic regime changes and continental crust evolution for ~4.4 billion years.

#Bauer, K.W., Fakhraee, M., Katsev, S., Clarkson, M.O., Planavsky, N.J., McKenzie, N.R., Crowe, S.A., in review, Seawater sulphate collapse, ocean methane release, and the Permian–Triassic mass extinction.

#Bauer, K.W., McKenzie, N.R., Bottini, C., Erba, E.E., & Crowe, S.A., in review, Desertification and a phosphorus famine in the ferruginous Tethys Ocean ~120 Ma.

Published  (a.k.a. Old Headaches)

*Liu H., McKenzie N.R., *Colleps, C.L., Chen, W., Stockli L.,Ying, Y., Sarsud, A., & Stockli, D.F. 2022, Detrital zircon isotope–trace element compositions track Paleozoic–Mesozoic slab dynamics and terrane accretion in Southeast Asia.  Earth and Planetary Science Letters. 578, 117298.

Zuo, J., A. Alexander G. Webb, A.A.G., Johnson, T.E., McKenzie, N.R., Kirkland, C.L., Ng, H.C., Lo, C.Y., in press, The detrital zircon age signatures of plausible pre-plate tectonic modes in the early Earth. Earth and Planetary Science Letters. 575, 117182.

#Bauer, K.W., Bottini, C., Frei, R., Asael, D., Planavsky, N.J., Francois, R., McKenzie, N.R., Erba, E., and Crowe, S.A., 2021, Pulsed volcanism and rapid ocean deoxygenation during OAE1a. Geology.

*Colleps, C.L., McKenzie, N.R., Guenthner, W. R., Sharma, M., Gibson, T.M., Stockli, D.F., 2021,

Apatite (U-Th)/He thermochronometric constraints on the northern extent of the Deccan Large Igneous Province. Earth and Planetary Science Letters.  571, 117087.

*Colleps, C.L., McKenzie, N.R., Sharma, M., *Liu, H., Gibson, T.M., Chen, W., & Stockli, D.F., 2021,

Zircon and apatite U-Pb age constraints from the Bundelkhand craton and Proterozoic strata of central India: Insights into craton stabilization and subsequent basin evolution”. Precambrian Research. v. 362, p. 106286.

*Capaldi, T.N., McKenzie, N.R., Horton, B.K., Mackaman-Lofland, C., *Colleps, C.L., & Stockli, D.F.,

2021, Tectonic evolution of the Southern Central Andes recorded by spatial-temporal variations in magmatism and zircon U-Th-Pb and Lu-Hf composition. Geosphere. v. 17 (3), 876-897.

LeRoy, M.A., Gill, B.C., Erik A. Sperling E.A., McKenzie, N.R., Park, T-y, Duck K. Choi, D.K., 2021,

Variable redox conditions as an evolutionary driver? A multi-basin comparison of redox in the middle and later Cambrian oceans (Drumian-Paibian). Palaeogeography, Palaeoclimatology, Palaeoecology. v. 566. P. 110209.

*Capaldi, T.N., Horton, B.K., McKenzie, N.R., Mackaman-Lofland, C., Stockli, D.F., Ortiz, G., &

Alvarado, P., 2020, Neogene retroarc foreland basin evolution, sediment routing, and magmatism in response to flat-slab subduction, western Argentina. Tectonics. 39 (7).

Zhang, T., Myrow, P., Fike, D., McKenzie, R., Yuan, J., Zhu, X., Li, W., Tian, X., & Chen, J., 2020,

Sedimentology, stratigraphy, and detrital zircon geochronology of Mesoproterozoic strata in the northern Helan Mountains, western margin of the North China Block. Precambrian Research.

*Colleps, C.L., McKenzie, N.R., Webb, A.A.G., Horton, B.K., ^Ng, T., & Singh, B.P., 2020,

Sediment provenance of pre- and post-collisional Cretaceous–Paleogene strata from the frontal Himalaya of northwest India. Earth and Planetary Science Letters. v. 534.

Isson, T.T., Planavsky, N.J., Coogan, L., Bolton, E.W., Stewart, E., Ague, J.J., Zhang, S., McKenzie, N.R.,

and Kump, L.R., 2020, Evolution of the Global Carbon Cycle and Climate Regulation on Earth. Global Biogeochemical Cycles. v. 34, no. 2.

McKenzie N.R., & Jiang, H., in press, Earth outgassing and climatic transitions: the slow-burn towards environmental “catastrophes”?. Elements. v. 15, no. 5, p. 325-330.

*Colleps, C.L., Stockli, D.F., McKenzie, N.R., Webb, A.A.G., and  Horton, B.K., 2019 ,Neogene kinematifc evolution and exhumation of the NW India Himalaya: Zircon geo- and thermochronometric insights from the foldh-thrust belt and foreland basin. Tectonics.

Hughes, N.C., Myrow, P.M., Shahid Ghazi, S.., McKenzie, N.R., and DiPietro, J.A., 2019, The Cambrian geology of the Salt Range of Pakistan: linking the Himalayan margin to the Indian craton. GSA Bulletin, 131 (7-8), 1095-1114.

Myrow, P.M., Hughes, N.C., and McKenzie, N.R., 2018, Reconstructing the Himalayan margin prior to collision with Asia: Neoproterozoic and Palaeozoic stratigraphy and tectonics, in Geo. Soc. London Special Publication "Himalayan Tectonics: A Modern Synthesis". 483, SP483. 1

McKenzie, N.R., Smye, A.J., Hegde, V., Stockli, D.F., 2018, Continental growth histories revealed by detrital zircon trace elements: a case study from India.  Geology. v. 46, no. 3, 275-278

*Colleps, C.L., McKenzie, N.R., Stockli, D.F., Singh, B.P., Webb, A.A.G., Hughes, N.C., Myrow, P.M, and  Horton, B.K., 2018,  Zircon (U-Th)/He thermochronometric constraints on Himalayan thrust belt exhumation, bedrock weathering, and Cenozoic seawater chemistry. Geochemistry, Geophysics, Geosystems. v. 19, 257-271

Lee, C-T. A., Caves, J., Jiang, H., Cao, W., Lenardic, A., McKenzie, N.R., Shorttle, O., Yin, Q-z., Dyer, B., 2018, Deep mantle roots and continental emergence: implications for whole-Earth elemental cycling, long-term climate, and the Cambrian explosion. International Geology Review, v. 60 no. 4, 431-448.

McKenzie, N.R., 2017, Carbon Cycle: Zircons reveal ancient perturbations. Nature Geoscience. v.10, 884-886.

Capaldi, T.N., Horton, B.K., McKenzie, N.R., Odlum, M.L., Stockli, D.F., 2017, Sediment provenance in retroarc orogenic systems: The detrital zircon record from modern rivers in the Andean foreland of western Argentina. Earth and Planetary Science Letters. v.479, 83-97.

Tang, Q., Hughes, N.C., McKenzie, N.R., Myrow, P.M., Xiao, S., 2017, Late Mesoproterozoic–early Neoproterozoic organic-walled microfossils from the Madhubani Group of the Ganga Valley, northern India. Palaeontology, v. 60 no. 6, 869-891.

Xiao, S., Tang, Q., Hughes, N.C., McKenzie, N.R., and Myrow, P.M., 2016, Biostratigraphic and detrital zircon age constraints on the basement of the Himalayan Foreland Basin: Implications for a Proterozoic link to the Lesser Himalaya and cratonic India. Terra Nova. v.28, no.6, 419-426.

Myrow, P.M., Hughes, N.C., McKenzie, N.R., Pelgay, P., Thompson, T.J., Haddad, E.E., Fanning, C. M., 2016, Cambrian-Ordovician orogenesis in Himalayan equatorial Gondwana. GSA Bulletin. v.128 no.11-12, 1679-1695.

Lee, C-T.A., Yeung, L.A., McKenzie, N.R., Yokoyama, Y., Ozaki, K., and Lenardic, 2016, Two-step rise of atmospheric oxygen linked to the growth of continents. Nature Geoscience. v.9,  no.6, p417-424.

Cole D.B., Reinhard, C.T., Wang, X., Gueguen, B., Halverson, G., McKenzie, N.R., Lyons, T.W., Planavsky, N.J., 2016, A shale-hosted Cr isotope record of low atmospheric oxygen during the Proterozoic. Geology. v.28, no.6, 419-426.

McKenzie, N.R., Horton, B.K., Loomis, S.E., Stockli, D.F., Planavsky, N.J., and Lee, C-T.A., 2016, Continental arc volcanism as the principal driver of icehouse–greenhouse variability. Science. v. 352, p. 444-447.

Lee, C-T.A., and McKenzie, N.R., 2015, Rise of the Continents. Nature Geoscience. v. 8, 506-507.

Hughes, N.C., Myrow, P.M., McKenzie, N.R., Xiao, S., Banerjee, D.M., Stockli, D.F., and Tang, C.,

2015, Age and implications of the phosphatic Birmania Formation, Rajasthan, India. Precambrian Research. v. 267, p.164-173.

Myrow, P.M., Hughes, N.C., Derry, L.A., McKenzie, N.R., Jiang, G., Webb, A.A.G., Banerjee, D.M., Paulsen, T.S., and Singh, B.P., 2015, Neogene marine isotopic evolution and the erosion of Lesser Himalayan strata: Implications for Cenozoic tectonic history. Earth and Planetary Science Letters. v. 417, p.142-150.

McKenzie, N.R., Hughes, N.C., Gill, B.J., and Myrow, P.M., 2014, Plate tectonic influences on Neoproterozoic-early Paleozoic climate and metazoan biodiversity. Geology. v. 42, p. 127-130.

McKenzie, N.R., Hughes, N.C., Myrow, P.M., Banerjee, D.M., Deb, M., and Planavsky, N.J., 2014, Reply to Comment on “New age constraints on the Proterozoic Aravalli-Delhi successions of central India and their implications”. Precambrian Research. v. 246, p. 371-372.

McKenzie, N.R., Hughes, N.C., Myrow, P.M., Banerjee, D.M., Deb, M., and Planavsky, N.J., 2013, New age constraints on the Proterozoic Aravalli-Delhi successions of central India and their implications. Precambrian Research. v. 238, p.120-128.

Sappenfield, A., Droser, M.L., Kennedy, M.J., and McKenzie, N.R., 2012, The oldest Zoophycos and implications for Early Cambrian deposit feeding. Geological Magazine. v. 149, no. 6, p.1118-1123.

McKenzie, N.R., Hughes, N.C., Myrow, P.M., Xiao, S., and Sharma, M., 2011, Correlation of  Precambrian-Cambrian sedimentary successions across northern India and the utility of isotopic signatures of Himalayan lithotectonic zones. Earth and Planetary Science Letters. v. 312 p.471-483.

McKenzie, N.R., Hughes, N.C., Myrow, P.M., Choi, D.K., and Park, T.-y., 2011, Trilobites and zircons link North China to India in the Cambrian. Geology. v. 39, no. 6, p.591-594.

Hughes, N.C., Myrow, P. M., McKenzie, N.R., Harper, D.A.T., Bhargava, O.N., Tangri, S.K., Ghalley, K.S., and Fanning, C.M., 2010, Cambrian rocks and faunas of the Black Mountain Region of Bhutan. Geological Magazine. v. 148, p. 351-379.

McKenzie, N.R., Hughes, N.C., Myrow, P.M., Bhargava, O.N., Tangri, S.K., and Ghalley, K.S., 2008, Late Cambrian (Furongian) trilobites of the Pele La Group, Black Mountain Region, Bhutan and their significance for reconstruction of the early Paleozoic Gondwanan margin. Special Papers in Trilobite Research. Cuadernos del Museo Geominero.