Awards and Scholarships
2019 Earth Research Institute Summer Research Fellowship (UCSB)
2018-2019 Fiona and Michael Goodchild Graduate Mentoring Award (UCSB)
2018-2019 George Tunell Memorial Fellowship (UCSB)
2018 Earth Research Institute Summer Research Fellowship (UCSB)
2017-2018 TA of the Year, Department of Earth Science (UCSB)
2017-2018 Excellence in Teaching Award, Honorable Mention (UCSB)
2016 Roger V. LeClerc Memorial Fellowship (WSU)
2016 H. Walter and Jeanette Praetorius Graduate Fellowship in Geology (WSU)
2016 Walter P. and Allene H. Kleweno Graduate Fellowship in Geology (WSU)
2015 H. Walter and Jeanette Praetorius/Exxon Graduate Fellowship in Geology (WSU)
2015 James W. Crosby Memorial Scholarship (WSU)
2015 W. Frank Scott Endowment Scholarship (WSU)
W&M Geology Fellowship (2013-2014)
NOAA Hollings Scholarship, Class of 2011
W&M Alumni Association-Richmond Chapter Book Scholarship
NRHH William and Mary Student of the Month, October, 2009
Publications and Presentations
Published or In Press:
Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Southworth, S., and Mulcahy, S.R., 2020, Tectonic evolution of the Grenville Orogen in the central Appalachians: Precambrian Research, 105740
Cadena, E.A., Jaramillo, C., Vanegas, A., Cottle, J., and Johnson, T., 2020, A new Miocene turtle from Colombia sheds light on the evolutionary history of the extant genus Mesoclemmys Gray, 1873: Journal of Vertebrate Paleontology, e1716777 DOI
Soret, M., Larson, K.P., Cottle, J.M., Smit, M., Johnson, A., Shrestha, S., Ali, A., and Faisal, S., 2019, Mesozoic to Cenozoic tectono-metamorphic history of the South Pamir-Hindu Kush (Chitral, NW Pakistan): insights from phase equilibria modelling, and garnet-monazite petrochronology: Journal of Metamorphic Geology, doi: 10.1111/jmg.12479
Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Aleinikoff, J.N., and Southworth, S., 2018, Constraints on the timing and duration of orogenic events by combined Lu-Hf and Sm-Nd geochronology: an example from the Grenville orogeny: Earth and Planetary Science Letters, v. 501, p. 152-164. DOI
Johnson, T.A., Hollis, J.S., Bailey, C.M., Jensen, A., Hahn, M., Quinlan, K., Owens, B.E., and Marshall, A., 2014, Geologic map of the Alberene quadrangle, Virginia. Virginia Division of Geology and Mineral Resources Publication 180. 1:24,000-scale geologic map and text.
IN PREPARATION:
Johnson, T.A., Cottle, J., and Larson, K., (in prep), Delineating multiple metamorphic events in the Kathmandu Klippe: P-T-t constraints of pre-Himalayan metamorphism in central Nepal
Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Southworth, S., and Mulcahy, S.R., (submitted to Precambrian Research), Tectonic evolution of the Grenville Orogen in the central Appalachians
CONFERENCE ABSTRACTS:
(* denotes undergraduate research assistant)
Owens, B.E., Johnson, T.A., and Polly, C., 2020, Geochemistry and geochronology of a monzodioritic phase of the Petersburg batholith, eastern Piedmont Province, Virginia: Geological Society of America Abstracts with Programs, v. 52, n. 2, doi: 10.1130/abs/2020SE-344904.
Owens, B.E., Johnson, T.A., and Cottle, J.M., 2020, The saga of a single sample: Attempts to understand the
geologic history of a portion of the Maidens Gneiss, Goochland Terrane, Virginia: Geological Society of America Abstracts with Programs, v. 52, n. 2, doi: 10.1130/abs/2020SE-344962.
Southworth, S.E., Aleinikoff, J.N., and Johnson, T.A., 2020, Sedimentation, granulite-facies metamorphism, deformation, and igneous intrusions define multiple tectonic events associated with the Ottawa-Riolet Orogenies in Proterozoic rocks of the Appalachian Blue Ridge: Geological Society of America Abstracts with Programs, v. 52, n. 2, doi: 10.1130/abs/2020SE-343303.
Johnson, T.A., Cottle, J.M., and Larson, K.P., 2019, Delineating multiple metamorphic events by combined inclusion thermobarometry and in-situ petrochronology: an example from the Himalayan Kathmandu Complex: Geological Society of America Abstracts with Programs, v. 51, n. 5, doi: 10.1130/abs/2019AM-335040.
Rohrer, R.F.*, Johnson, T.A., Cottle, J.M., Larson, K.P., and Kylander-Clark, A.R.C., 2019, Using multiple geochronometers to better constrain geologic event in central Himalayan granites: Geological Society of America Abstracts with Programs, v. 51, n. 5, doi: 10.1130/abs/2019AM-335988. (2019 GSA Geochronology Division Student Presentation Award Winner)
Jaramillo, V*., Johnson, T.A., Cottle, J.M., Larson, K.P., and Kylander-Clark, A.R.C., 2019, Insights into the emplacement of the Kathmandu Klippe from quartz microstructures and titanite petrochronology: Geological Society of America Abstracts with Programs, v. 51, n. 5, doi: 10.1130/abs/2019AM-335783.
Vervoort, J.D., Wang, D., and Johnson,T.A., 2017, Mixed messages from garnet Lu-Hf and Sm-Nd geochronology: American Geophysical Union Abstract V024-283256.
Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Southworth, S., Aleinikoff, J.N., and Tollo, R.P., 2017, Constraints on the timing and duration of the Grenville Orogeny: Geological Society of America Abstracts with Programs, v. 49, n. 3, doi: 10.1130/abs/2017SE-290920.
Wolff, J., Iveson, A., Davis, K., Johnson, T., Gahagan, S., and Ellis, B., 2015, A clinopyroxene-plagioclase geobarometer for A-type silicic volcanic rocks: American Geophysical Union Abstract V13A-3090.
Johnson, T.A., Ramsey, M.J., Vervoort, J.D., Mulcahy, S.D., Southworth, S., Aleinikoff, J.N., 2015, Slow cooling: the timing and duration of metamorphism in the Blue Ridge Province, Virginia and North Carolina: Geological Society of America Abstracts with Programs, v.47, n.7, p.447.
Johnson, T.A., Bailey, C., Owens, B., Jensen, A., 2014, The geology of the Catoctin Formation and possible associated metagabbros in the eastern Blue Ridge, central Virginia: Geological Society of America Abstracts with Programs, v.46, n. 3, p.85.
Johnson, A., Owens, B., Bailey, C., 2013, Geology of the Catoctin Formation in the eastern Blue Ridge, central Virginia; stratigraphy, geochemistry, and petrogenesis: Geological Society of America Abstracts with Programs, v. 45, n. 2, p. 62.
Jensen, A., Hahn, M., Quinlan, K., Johnson, A., Bailey, C., Owens, B., 2012, Framing the Neoproterozoic Iapetan rift sequence; geology of the Alberene 7.5’ quadrangle, eastern Blue Ridge, Virginia: Geological Society of America Abstracts with Programs, v. 44, n.4, p.21.
INVITED LECTURES:
Johnson, T.A., Insights from garnet geochronology on the timing and duration of the Grenville Orogeny: University of Kentucky. Lexington, KY. March, 2017.
Johnson, T.A., Bailey, C.M., Geology of the eastern Blue Ridge Iapetan cover sequence, central Virginia: Virginia Geologic Research Symposium. Charlottesville, VA. April, 2014.
Johnson, T.A., How to build a bay: Construction of a 3-D interactive map of Kachemak Bay, Alaska: Kachemak Bay Research Reserve. Homer, AK. July, 2012.
NON-PEER-REVIEWED SCHOLARLY PUBLICATIONS:
Johnson, A., Bailey, C.M., 2014, The Catoctin Formation-Virginia is for Lavas: Glimpses of the Past: The Geology of Virginia (http://geology.wm.edu/bailey/CatoctinFormation.pdf)
Johnson, T.A., 2013a, Big Soldier (1973) by T.C. Cannon: Curators at Work III: 43 Memoranda for the Curatorial Files, Muscarelle Museum of Art at The College of William and Mary
Johnson, T.A., 2013b, Turn of the Century Dandy (1982) by T.C. Cannon: Curators at Work III: 43 Memoranda for the Curatorial Files, Muscarelle Museum of Art at The College of William and Mary
CV
2018-2019 Fiona and Michael Goodchild Graduate Mentoring Award (UCSB)
2018-2019 George Tunell Memorial Fellowship (UCSB)
2018 Earth Research Institute Summer Research Fellowship (UCSB)
2017-2018 TA of the Year, Department of Earth Science (UCSB)
2017-2018 Excellence in Teaching Award, Honorable Mention (UCSB)
2016 Roger V. LeClerc Memorial Fellowship (WSU)
2016 H. Walter and Jeanette Praetorius Graduate Fellowship in Geology (WSU)
2016 Walter P. and Allene H. Kleweno Graduate Fellowship in Geology (WSU)
2015 H. Walter and Jeanette Praetorius/Exxon Graduate Fellowship in Geology (WSU)
2015 James W. Crosby Memorial Scholarship (WSU)
2015 W. Frank Scott Endowment Scholarship (WSU)
W&M Geology Fellowship (2013-2014)
NOAA Hollings Scholarship, Class of 2011
W&M Alumni Association-Richmond Chapter Book Scholarship
NRHH William and Mary Student of the Month, October, 2009
Publications and Presentations
Published or In Press:
Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Southworth, S., and Mulcahy, S.R., 2020, Tectonic evolution of the Grenville Orogen in the central Appalachians: Precambrian Research, 105740
Cadena, E.A., Jaramillo, C., Vanegas, A., Cottle, J., and Johnson, T., 2020, A new Miocene turtle from Colombia sheds light on the evolutionary history of the extant genus Mesoclemmys Gray, 1873: Journal of Vertebrate Paleontology, e1716777 DOI
Soret, M., Larson, K.P., Cottle, J.M., Smit, M., Johnson, A., Shrestha, S., Ali, A., and Faisal, S., 2019, Mesozoic to Cenozoic tectono-metamorphic history of the South Pamir-Hindu Kush (Chitral, NW Pakistan): insights from phase equilibria modelling, and garnet-monazite petrochronology: Journal of Metamorphic Geology, doi: 10.1111/jmg.12479
Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Aleinikoff, J.N., and Southworth, S., 2018, Constraints on the timing and duration of orogenic events by combined Lu-Hf and Sm-Nd geochronology: an example from the Grenville orogeny: Earth and Planetary Science Letters, v. 501, p. 152-164. DOI
Johnson, T.A., Hollis, J.S., Bailey, C.M., Jensen, A., Hahn, M., Quinlan, K., Owens, B.E., and Marshall, A., 2014, Geologic map of the Alberene quadrangle, Virginia. Virginia Division of Geology and Mineral Resources Publication 180. 1:24,000-scale geologic map and text.
IN PREPARATION:
Johnson, T.A., Cottle, J., and Larson, K., (in prep), Delineating multiple metamorphic events in the Kathmandu Klippe: P-T-t constraints of pre-Himalayan metamorphism in central Nepal
Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Southworth, S., and Mulcahy, S.R., (submitted to Precambrian Research), Tectonic evolution of the Grenville Orogen in the central Appalachians
CONFERENCE ABSTRACTS:
(* denotes undergraduate research assistant)
Owens, B.E., Johnson, T.A., and Polly, C., 2020, Geochemistry and geochronology of a monzodioritic phase of the Petersburg batholith, eastern Piedmont Province, Virginia: Geological Society of America Abstracts with Programs, v. 52, n. 2, doi: 10.1130/abs/2020SE-344904.
Owens, B.E., Johnson, T.A., and Cottle, J.M., 2020, The saga of a single sample: Attempts to understand the
geologic history of a portion of the Maidens Gneiss, Goochland Terrane, Virginia: Geological Society of America Abstracts with Programs, v. 52, n. 2, doi: 10.1130/abs/2020SE-344962.
Southworth, S.E., Aleinikoff, J.N., and Johnson, T.A., 2020, Sedimentation, granulite-facies metamorphism, deformation, and igneous intrusions define multiple tectonic events associated with the Ottawa-Riolet Orogenies in Proterozoic rocks of the Appalachian Blue Ridge: Geological Society of America Abstracts with Programs, v. 52, n. 2, doi: 10.1130/abs/2020SE-343303.
Johnson, T.A., Cottle, J.M., and Larson, K.P., 2019, Delineating multiple metamorphic events by combined inclusion thermobarometry and in-situ petrochronology: an example from the Himalayan Kathmandu Complex: Geological Society of America Abstracts with Programs, v. 51, n. 5, doi: 10.1130/abs/2019AM-335040.
Rohrer, R.F.*, Johnson, T.A., Cottle, J.M., Larson, K.P., and Kylander-Clark, A.R.C., 2019, Using multiple geochronometers to better constrain geologic event in central Himalayan granites: Geological Society of America Abstracts with Programs, v. 51, n. 5, doi: 10.1130/abs/2019AM-335988. (2019 GSA Geochronology Division Student Presentation Award Winner)
Jaramillo, V*., Johnson, T.A., Cottle, J.M., Larson, K.P., and Kylander-Clark, A.R.C., 2019, Insights into the emplacement of the Kathmandu Klippe from quartz microstructures and titanite petrochronology: Geological Society of America Abstracts with Programs, v. 51, n. 5, doi: 10.1130/abs/2019AM-335783.
Vervoort, J.D., Wang, D., and Johnson,T.A., 2017, Mixed messages from garnet Lu-Hf and Sm-Nd geochronology: American Geophysical Union Abstract V024-283256.
Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Southworth, S., Aleinikoff, J.N., and Tollo, R.P., 2017, Constraints on the timing and duration of the Grenville Orogeny: Geological Society of America Abstracts with Programs, v. 49, n. 3, doi: 10.1130/abs/2017SE-290920.
Wolff, J., Iveson, A., Davis, K., Johnson, T., Gahagan, S., and Ellis, B., 2015, A clinopyroxene-plagioclase geobarometer for A-type silicic volcanic rocks: American Geophysical Union Abstract V13A-3090.
Johnson, T.A., Ramsey, M.J., Vervoort, J.D., Mulcahy, S.D., Southworth, S., Aleinikoff, J.N., 2015, Slow cooling: the timing and duration of metamorphism in the Blue Ridge Province, Virginia and North Carolina: Geological Society of America Abstracts with Programs, v.47, n.7, p.447.
Johnson, T.A., Bailey, C., Owens, B., Jensen, A., 2014, The geology of the Catoctin Formation and possible associated metagabbros in the eastern Blue Ridge, central Virginia: Geological Society of America Abstracts with Programs, v.46, n. 3, p.85.
Johnson, A., Owens, B., Bailey, C., 2013, Geology of the Catoctin Formation in the eastern Blue Ridge, central Virginia; stratigraphy, geochemistry, and petrogenesis: Geological Society of America Abstracts with Programs, v. 45, n. 2, p. 62.
Jensen, A., Hahn, M., Quinlan, K., Johnson, A., Bailey, C., Owens, B., 2012, Framing the Neoproterozoic Iapetan rift sequence; geology of the Alberene 7.5’ quadrangle, eastern Blue Ridge, Virginia: Geological Society of America Abstracts with Programs, v. 44, n.4, p.21.
INVITED LECTURES:
Johnson, T.A., Insights from garnet geochronology on the timing and duration of the Grenville Orogeny: University of Kentucky. Lexington, KY. March, 2017.
Johnson, T.A., Bailey, C.M., Geology of the eastern Blue Ridge Iapetan cover sequence, central Virginia: Virginia Geologic Research Symposium. Charlottesville, VA. April, 2014.
Johnson, T.A., How to build a bay: Construction of a 3-D interactive map of Kachemak Bay, Alaska: Kachemak Bay Research Reserve. Homer, AK. July, 2012.
NON-PEER-REVIEWED SCHOLARLY PUBLICATIONS:
Johnson, A., Bailey, C.M., 2014, The Catoctin Formation-Virginia is for Lavas: Glimpses of the Past: The Geology of Virginia (http://geology.wm.edu/bailey/CatoctinFormation.pdf)
Johnson, T.A., 2013a, Big Soldier (1973) by T.C. Cannon: Curators at Work III: 43 Memoranda for the Curatorial Files, Muscarelle Museum of Art at The College of William and Mary
Johnson, T.A., 2013b, Turn of the Century Dandy (1982) by T.C. Cannon: Curators at Work III: 43 Memoranda for the Curatorial Files, Muscarelle Museum of Art at The College of William and Mary
CV