Stephen T. Johnston
Research Publications Students Teaching Gallery

In Review (March 2008)

Johnston, S.T., and Mazzoli, S., in review. The Calabrian Orocline: Buckling of a previously more linear orogen. Geological Society of London, Special Publication, submitted Nov., 2007.

Gardner, D.W., Johnston, S.T., and Paradis, S., in review. Sedimentology and stratigraphy of the Upper Purcell Supergroup, southeastern British Columbia, Canada: Implications for syn-depositional tectonism. Journal of Precambrian Research, submitted February, 2008.


In Press

Tizzard, A., Johnston, S.T., and Heaman, L.M., 2008. Arc imbrication during thick-skinned collision within the northern Cordilleran accretionary orogen, Yukon, Canada. in Cawood, P., and Kroener, A., eds., Accretionary Orogens, Geological Society of London, Special Publication, in press.


2008

Johnston, S.T., 2008. The Cordilleran Ribbon Continent. Annual Reviews in Earth & Planetary Sciences, 36, 495-530. (pdf)


Craddock, J.P., Kennedy, B.C., Cook, A.L., Pawlisch, M.S., Johnston, S.T., and Jackson, M., 2008. Anisotropy of magnetic susceptibility sutdies in Tertiary ridge-parallel dykes (Iceland), Tertiary margin-normal Aishihik dykes (Yukon), and Proterozoic Kenora-Kabetogama composite dykes (Minnesota and Ontario): Tectonophysics, 448, 115-124.
(pdf)

2007

Johnston. S.T., Canil, D.C., and Heaman, L.A., 2007. Permian exhumation of the Buffalo Pitts Orogenic Peridotite Massif, northern Cordillera, Yukon. Canadian Journal of Earth Sciences, 44, 275-286.
(pdf)

Johnston, S.T., and Canil, D., 2007. Crustal Architecture of SW Yukon, norther Cordillera: Implications for crustal growth in a convergent margin orogen. Tectonics, 26, TC1006, doi:10.1029/2006TC001950.
(pdf)

Johnston, S.T., and Borel, G., 2007. The Odyssey of the Cache Creek Terrane, Canadian Cordillera: Implications for accretionary orogens, tectonic setting of Panthalassa, the Pacific Superswell, and break-up of Pangea. Earth and Planetary Science Letters, 253, 415-428.
(pdf)

2006

Gladwin, K., & Johnston, S.T., 2006. Mid-Cretaceous pinning of accreted terranes to miogeoclinal assemblages in the northern Cordillera: Irreconcilable with Paleomagnetic data? In Haggert, J., Enkin, R., editors; Cordilleran Paleogeography. GAC Special Paper 46, 299-306. (pdf)

Enkin, R., Johnston, S.T., Baker, J., and Larson, K., 2006. Paleomagnetism of the Solitary Mountain Volcanics, Late Cretaceous Carmacks Group, Yukon: Implications for Cordilleran paleogeography. In Haggert, J., Enkin, R., eds.; Cordilleran Paleogeography. GAC Special Paper 46, 221-242. (pdf)

Canil, D.C., Johnston, S.T., and Mihalynuk, M.G., 2006. Mantle redox in Cordilleran ophiolites as a record of Oxygen fugacity during partial melting and the lifetime of mantle lithosphere. Earth and Planetary Science Letters, 248, 91-102. (pdf)

2005

Canil, D.C., MacKenzie, J., Mihalynuk, M.G., Johnston, S.T., and Grant, B.,2005. Anomalous diamonds in the Atlin-Nakina region, British Columbia: Insights from heavy minerals in stream sediments. Canadian Journal of Earth Sciences, 42, 2161-2171. (pdf)

Colpron, M., Gladwin, K., Johnston, S.T., Mortensen, J.K., and Gehrels, G., 2005. Geology and juxtaposition history of the Yukon-Tanana, Slide Mountain and Cassiar terranes of the Glenlyon area, central Yukon. Canadian Journal of Earth Sciences,42, 1431-1448. (pdf)

English, J., Johannson, GG., Johnston, S.T., Mihalynuk, M.G., Fowler, M., and White, K.L., 2005. Structure, stratigraphy and petroleum resource potential of the central Whitehorse Trough, Northern Canadian Cordillera. Bulletin of CanadianPetroleum Geology, 53, 130-153. (pdf)

English, J.
, and Johnston S.T., 2005. Collisional orogenesis in the northern Canadian Cordillera: Implications for Cordilleran crustal structure, ophiolite emplacement, continental growth and the terrane hypothesis. Earth and Planetary Science Letters 232, 333-334. (pdf)

MacKenzie, J.M., Canil, D., Johnston, S.T., et al., 2005. First evidence for ultrahigh-pressure garnet peridotite in the North American Cordillera. Geology, 33, 105-108. (pdf)

Wulf, G., Johnston, S.T., and Thomas, R.J.,2005. Remagnetization of Mesoproterozoic rocks from the Natal sector of the Namaqua-Natal belt, South Africa. Journal of African Earth Sciences 40, 137-145.

2004

Johnston, S.T., 2004. The d’Entrecasteaux orocline and rotation of the Vanuatu-New Hebrides arc: An Oroclinal Orgy and analogue for Archean Craton Formation. In Weil, A.B., and Sussman, A., editors; Curved Orogens. Geological Society of America, Denver, Special Paper 383, 225-236. (pdf)

English, J., & Johnston, S.T., 2004. The Laramide Orogeny: What are the driving forces? International Geology Review, 46, 833-836. (pdf)

Gose, W.A., Johnston, S.T. and Thomas, R.J., 2004. Age of magnetization of Mesoproterozoic rocks from the Natal sector of the Namaqua-Natal belt, South Africa. Journal of African Earth Sciences, 40, 137-145. (pdf)

Lewis, J., Eby, M., Weaver, A., and Johnston, S.T., 2004. Global glaciation in the Proterozoic: Reconciling previous modelling results. Geophysical Research Letters, 31, L08201, doi:10.1029/2004GL019725.

2003

Johnston, S.T., and Acton, S., 2003. The Eocene Southern Vancouver Island Orocline – a response to seamount accretion and the cause of basin and fold and thrust belt formation. Tectonophysics Special Issue – Modern and Ancient Orogenic belts, 365, 196-183. (pdf)

English, J., Johnston, S.T., and Wang, K., 2003. Thermal modeling of the Laramide orogeny: Testing the flat slab subduction hypothesis. Earth and Planetary Science Letters, 214, 619-632. (pdf)

Lewis, J., Weaver, A., Johnston, S.T., and Eby, M., 2003. The Neoproterozoic ‘Snowball Earth’: Dynamic Sea Ice over a quiescent ocean. PaleoOceanography, 18, Art. No. 1092.

Canil, D., Johnston, S.T., et al., 2003. Mantle Exhumation in an Early Paleozoic Passive Margin, Northern Cordillera, Yukon. Journal of Geology, 111, 313-327. (pdf)

Murphy, B., Hynes, A.J., Johnston, S.T., and Keppie, J.D., 2003. Reconstructing the ancestral Yellowstone plume from accreted seamounts and its relationship to flat-slab subduction. Tectonophysics Special Issue – Modern and Ancient Orogenic belts, 365, 185-194. (pdf)

Johnston, S.T., McCourt, S., Mitchell, A.A., and Bisnath, A., 2003. The Tugela terrane, Natal Tectonic belt: Kibaran magmatism and tectonism along the southeast margin of the Kaapvaal Craton. South African Journal of Geology, 106, 85-97.

2001

Johnston, S.T., 2001. The Great Alaskan Terrane Wreck: Oroclinal Orogeny and reconciliation of paleomagnetic and geological data in the northern Cordillera. Earth & Planetary Science Letters 193, 259-272. (pdf)

Johnston, S.T., Armstrong, R., Heaman, L., McCourt, S., Mitchell, A.A., Bisnath, A., and Arima, M., 2001. Preliminary U-Pb geochronology (SHRIMP and TIMS) of the Tugela terrane, Natal Belt, eastern South Africa. Polar Research 55, 40-58. (pdf)

Arima, M., Tani, K., Kawate, S., and Johnston, S.T., 2001. Tectonic Evolution of the Tugela terrane, Natal Metamorphic Province, South Africa. Polar Research 55, 1-39.

Arima, M., and Johnston, S.T., 2001. Crustal Evolution of the Tugela terrane, Natal Belt, South Africa. Gondwana Research, 4, 563-564. (pdf)

Mezger, J., Creaser, R., Erdmer, P., and Johnston, S.T., 2001. A Cretaceous backarc basin along the Coast Belt of the northern Canadian Cordillera: evidence from geochemical and Neodymium isotope signatures of the Kluane metamorphic assemblage, SW Yukon. Canadian Journal of Earth Sciences 38, 91 - 103. (pdf)

2000

Johnston, S.T., 2000. The Cape Fold Belt and Syntaxis, and the rotated Falkland Islands: Dextral transpressional tectonics along the southwest margin of Gondwana. Journal of African Earth Sciences 31, 51-63. (pdf)

Johnston, S.T., and Thorkelson, D.J., 2000. Continental flood basalts: episodic magmatism above long-lived hotspots. Earth & Planetary Letters 175, 247-256. (pdf)

Pre-2000

Johnston, S.T., 1999. Large scale coast-parallel displacement in the Cordillera: a granitic resolution to a paleomagnetic dilemma. Journal of Structural Geology 21, 1103-1108. (pdf)

Johnston, S.T., Mihalynuk, M.G., Brew, D.A., Hart, C.J.R., Erdmer, P., and Gehrels, G., 1999, Discussion: Paleozoic and Mesozoic rocks of Stikinia exposed in northwestern British Columbia: Implications for correlations in the northern Cordillera. Geological Society of America Bulletin, Geological Society of America Bulletin 111, 1103-1106.

Johnston, S.T., 1999. Squeezing down-plunge projections out of graphics packages. Computers & Geoscience 25, 197 - 200.

Wynne, P.J., Enkin, R.J., Baker, J., Johnston, S.T., & Hart, C.J.R., 1998. The Big Flush - Paleomagnetic signature of a 70 Ma regional hydrothermal event in displaced rocks of the northern Canadian Cordillera. Canadian Journal of Earth Sciences 35, 657-671. (pdf)

Johnston, S.T., and Thorkelson, D.J., 1997. Cocos - Nazca slab window beneath Central America. Earth and Planetary Science Letters 146, 465-474. (pdf)

Johnston, S.T., Wynne, P.J., Francis, D., Enkin, R. J., Hart, C. J. R., and Engebretson, D. C., 1996. Yellowstone in Yukon: The Late Cretaceous Carmacks Group. Geology 24, 997 - 1000. (pdf)

Johnston, S.T., Mortensen, J. K., and Erdmer, P., 1996. Igneous and metaigneous age constraints on the Aishihik metamorphic suite, southwest Yukon. Canadian Journal of Earth Sciences 33, 1543 - 1555.

McMillan, W.J., Thompson, J.F.H., Hart, C.J.R., and Johnston, S.T., 1996. Porphry Deposits of the Canadian Cordillera. Geoscience Canada 23, 125 - 134.
Johnston, S. T., and Erdmer, P., 1995. Reply on “Hot-side-up aureole in southwest Yukon and limits on terrane assembly of the northern Canadian Cordillera”. Geology 23, 1152.

McMillan, W.J., Thompson, J.F.H., Hart, C.J.R., and Johnston, S.T., 1995. Regional Geological and tectonic setting of porphyry deposits in British Columbia and Yukon Territory in Schroeter, T., ed., Porphyry Deposits of the northwestern Cordillera of North America: Canadian Institute of Mining, Special Volume 46.

Johnston, S.T. and Erdmer, P., 1995, Magmatic flow and emplacement foliations in the Early Jurassic Aishihik Batholith, southwest Yukon: Implications for northern Stikinia in Miller, D.M., and Busby, C., editors, Jurassic Magmatism and Tectonics of the North American Cordillera: Geological Society of America, Special Paper 299, 65-82.

Johnston, S.T. and Erdmer, P., 1995, A hot-side-up aureole in SW Yukon and limits on terrane assembly of the northern Canadian Cordillera: Geology 23, 419-422.

Hart, C.J.R., Johnston, S.T., Francis, D., Smuk, K., Wynne, J., and Enkin R., 1998. Yellowstone in Yukon – a hotspot link to Late Cretaceous alkalic-associated Cu and Au mineralization. In: Cordillera Revisited: Recent developments in Cordilleran Geology, tectonics and mineral deposits, Mustard, P. and Gareau, S., Eds., Geological Association of Canada, Vancouver, BC, 110-117.

Johnston, S.T., Hart, C.J.R., and Mihalynuk, M.G., 1994, The Northern Intermontane Superterrane - a NUNA conference summary: Geoscience Canada 21, 27-30.

Lowe, C., Horner, R.B., Mortensen, J.K., Johnston, S.T. and Roots, C.F., 1994, New geophysical data from southern Yukon and Northwest Territories: Preliminary interpretations and implications for the tectonics and deep geology of the northern Canadian Cordillera: Canadian Journal of Earth Sciences 31, 891-904.

Charlesworth, H.A.K., Johnston, S.T. and Gagnon, L., 1987, Evolution of the triangle zone in the Rocky Mountain Foothills near Coalspur, central Alberta: Canadian Journal Earth Sciences 24, 1668 -1678.

 

Note – underline indicates graduate student supervised by STJ