Research and Publications

Reano, D., Gedz, C., Garcia Jr., ÁA., and Johnson, E.A., 2023. Confluent identities in the geosciences, Journal of Geoscience Education, DOI: 10.1080/10899995.2022.2158434.

Liu, J.J., Johnson, E., and Reeves, T.C. (2022) Evaluation and reflective implementation of an online open educational resource (OER).  The Journal of Applied Instructional Design, 11(3). https://dx.doi.org/10.51869/113/ljr1

Long, M., Wagner, L., King, S.D., Evans, R.L., Mazza, S.E., Byrnes, J.S., Johnson, E.A., Kirby, E., Bezada, M., Gazel, E., Miller, S.R., Aragon, J.C., and Liu, S. (2021) Evaluating models for lithospheric loss and intraplate volcanism beneath the Central Appalachian Mountains.  Journal of Geophysical Research. Journal of Geophysical Research: Solid Earth, 126, e2021JB022571. https://doi.org/10.1029/2021JB022571

Liu, J.C., Johnson, E.A, and Haroldson, E. (2021) Blended geoscience laboratory learning and undergraduate research with interactive open educational resources. In: Picciano, A.G., Dziuban, C.D., Graham, C.R., and Moskal, P.D. (eds) Blended Learning Research Perspectives, Vol III, https://doi.org/10.4324/9781003037736.

Liu, J.C., Johnson, E.A., and Mao, J. (2021) Interdisciplinary Development of Geoscience OER: Formative Evaluation and Project Management for Instructional Design. In: Hokanson B., Exter M., Grincewicz A., Schmidt M., Tawfik A.A. (eds) Intersections Across Disciplines. Educational Communications and Technology: Issues and Innovations. Springer, Cham. https://doi.org/10.1007/978-3-030-53875-0_17.

Liu, J.C. and Johnson, E. (2020) Instructional Development of Media-Based Science OER. TechTrends. https://doi.org/10.1007/s11528-020-00481-9.

Johnson, E.A. (2019) Book Review: A Practical Guide to Rock Microstructure, 2nd edition.  American Mineralogist. 104, 1531. link

Mazza, S., Gazel, E., Bizimis, M., Moucha, R., Béguilin, P., Johnson, E.A, McAleer, R., and Sobolev, A. (2019) Sampling the Volatile Rich Transition Zone beneath Bermuda. Nature, 569, 398-403. link (subscription)

Johnson, E.A. (2019) Book Review: Mineralogy of Uranium and Thorium.  American Mineralogist, 104, 463. link

Mazza, S., Gazel, E., Johnson, E.A., Bizimis, M. and McAleer, R. (2017) Post rift magmatic evolution of the eastern North American “passive-aggressive” margin.  Geochemistry, Geophysics, Geosystems, 18, doi:10.1002/2016GC006646. link

Mosenfelder, J.L., Rossman, G.R. and Johnson, E.A. (2015) Hydrous species in feldspars: a reassessment based on FTIR and SIMS. American Mineralogist, 100, 1209-1221. link

Mazza, S., Gazel, E., Johnson, E.A., McAleer, R., Kunk, M., Spotila, J., Bizimis, M. and Coleman, D. (2014) Volcanoes of the passive margin: the youngest magmatic event in Eastern North America. Geology, 42, 483-486. link (subscription)

Haynes, J.T., Johnson, E.A., and Whitmeyer, S.J. (2014) Active features along a “passive” margin: The intriguing interplay between Silurian-Devonian stratigraphy, Alleghenian deformation, and Eocene magmatism of Highland and Bath Counties, Virginia. In Bailey, C.M., and Coiner, L.V., eds., Elevating Geoscience in the Southeastern United States: New Ideas about Old Terranes: Field Guides for the GSA Southeastern Section Meeting, Blacksburg, Virginia, 2014: Geological Society of America Field Guide 35, p. 1-40, doi:10.1130/2014.0035(01). link

Johnson, E.A. and Rossman, G.R. (2013) The diffusion behavior of hydrogen in plagioclase feldspar at 800-1000°C: Implications for re-equilibration of OH in volcanic phenocrysts.  American Mineralogist, 98, 1779-1787. link

Johnson, E.A., Kiracofe, Z.A., Haynes, J.T. and Nashimoto, K. (2013) The origin of sandstone xenoliths in the Mole Hill basalt, Rockingham County, Virginia: Implications for magma ascent and crustal structure in the western Shenandoah Valley.  Southeastern Geology, 49, 95-118.

Colasanti, C.V., Johnson, E.A. and Manning, C.E. (2011) An experimental study of OH solubility in rutile at 500-900°C, 0.5-2 GPa, and a range of oxygen fugacities. American Mineralogist, 96, 1291-1299.

Johnson, E.A., Sutherland, C.E., Logan, M.A.V., Samson, S. and Feely, M. (2011) Petrogenesis of a felsic porphyry dike and constraints on timing of motion along the Coolin Fault at Ben Levy, County Galway. Irish Journal of Earth Sciences, 29, 1-13.

Johnson, E.A. (2006) Water in nominally anhydrous crustal minerals: speciation, concentration, and geologic significance. In H. Keppler and J.R. Smith (Eds.) Water in Nominally Anhydrous Minerals. Reviews in Mineralogy and Geochemistry, 62, 117-154.

Johnson, E.A. and Post, J.E. (2006) Water in the interlayer of the Mn oxide birnessite: importance in cation exchange and structural stability.  American Mineralogist, 91, 609-618.

Johnson, E.A. and Rossman, G.R. (2004) An infrared and nuclear magnetic resonance study of strong hydrogen bonding in ussingite, NaAlSi3O8(NaOH). Physics and Chemistry of Minerals, 31, 115-121.

Johnson, E.A. and Rossman, G.R. (2004) A survey of hydrous species and concentrations in igneous feldspars.  American Mineralogist, 89, 586-599.

King, J.L., Johnson, E.A. and Post, J.E. (2003) A comparison of three historic blue diamonds. Gems and Gemology, 39(4), 322-325.

Johnson, E.A. and Rossman, G.R. (2003) The concentration and speciation of hydrogen in feldspars using FTIR and 1H MAS NMR spectroscopy.  American Mineralogist, 88, 901-911.

Johnson, E.A., Rossman, G.R., Dyar, M.D. and Valley, J.W. (2002) Correlation between OH concentration and oxygen isotope diffusion rate in diopsides from the Adirondack Mountains, New York.  American Mineralogist, 87, 899-908.

Heymann, D., Yancey, T.E., Wolbach, W.S., Thiemens, M.H., Johnson, E.A., Roach, D. and Moecker, S. (1998) Geochemical markers of the Cretaceous-Tertiary boundary event at Brazos River, Texas, USA.  Geochimica et Cosmochimica Acta, 62, 173-181.

McElvany, S.W., Johnson, E.A. and Holliman, C.L. (1995) Mass spectrometric characterization of fullerenes, oxides, and odd-numbered carbon clusters.  In K.M. Kadish and R.S. Ruoff (eds.)  Recent Advances in the Chemistry and Physics of Fullerenes and Related Materials, vol.2.  Electrochemical Society, 1425-1436.