James Beard

Curator of Earth Sciences, Virginia Museum of Natural History
1001 Douglas Avenue
Martinsville, VA 24112

Education

Ph.D., Geology, University of California, Davis, 1985

B.S., Geology, University of Massachusetts, Amherst, 1978

  • Origin and evolution of granitoid rocks in continental and oceanic settings
  • Mineralogy of metamorphosed manganese deposits
  • High temperature metamorphism and partial melting
  • Serpentinization and low-T metamorphism in oceanic environments
  • Geochemical characteristics of Lägestatten
  • Hopkinson, L., Beard, J.S., and Boulter, C. (2004) The hydrothermal plumbing of a serpentinite-hosted detachment:  Evidence from the West Iberia non-volcanic rifted continental margin. Marine Geology, v.204, p.301-315.
  • Beard, J.S., Ragland, P.C., and Rushmer, T. (2004) Hydration Crystallization reactions between anhydrous minerals and hydrous melt to yield amphibole and biotite in igneous rocks: description and implications. Journal of Geology,v.112, p.617-621.
  • Beard, J.S., Ragland, P.C., and Crawford, M.L. (2005) Reactive bulk assimilation: a model for crust-mantle mixing in silicic magmas. Geology, v.33, p.681-684.
  • Beard, J.S., Ragland, P.C., and Crawford, M.L. (2005) Using incongruent, equilibrium hydration reactions to model latter-stage crystallization in plutons: examples from the Bell Island tonalite, Alaska.  Journal of Geology, v.113, p.589-599.
  • Beard, J.S., Sorensen, S.S., and Giere, R. (2006) REE Zoning in Allanite Related to Changing Partition Coefficients During Crystallization: Implications for Behavior in an Epidote-Bearing Tonalite. Mineralogical Magazine, v.70, p.419-435.
  • Ildefonse, B., Blackman, D.K., John, B.E., Ohara, Y., Miller, D.J., MacLeod, C.J., Integrated Ocean Drilling Program Expeditions 304/305 Science Party (2007) Oceanic core complexes and crustal accretion at slow-spreading ridges. Geology, v.35, p. 623-626.
  • Frost, B.R. and Beard, J.S. (2007) On silica activity and serpentinization. Journal of Petrology, v.48, p.1351-1368.
  • Beard, J.S. (2008) Crystal-melt separation and the development of isotopic heterogeneity in hybrid magmas. Journal of Petrology, v. 49, p.1027-1041.
  • Beard, J.S. (2008) The rift-to-drift transition in the southern North Atlantic: A stuttering start of the MORB machine?: Comment. Geology, v.36, p.e174 doi: 10.1130/G24775C.1.
  • Frost, B.R., Beard, J.S., McCaig, A., and Condliffe, E. (2008) The formation of micro-rodingites from IODP Hole U1309D: key to understanding the process of serpentinization. Journal of Petrology, v. 49,  p.1579-1588.
  • Severs, M.J., Beard, J.S., Bodnar, R.J., Hanchar, J.M., and Mutchler, S.R. (2009) Distribution of trace elements (REE. Sr, Ba, Y, Ti, Zr, Hf, Nb, Pb) between dacitic melt, plagioclase, orthopyroxene, and clinopyroxene: evidence from laser ablation analysis of silicate melt inclusions. Geochimica Cosmochimica Acta, v.73, p.2123-2141.
  • Beard, J.S., Frost, B.R., Fryer, P., McCaig, A., Searle, R., Ildefonse, B., Zinin, P., and Sharma, S.K. (2009) Onset and progression of serpentinization and magnetite formation in olivine-rich troctolite, core 227, IODP Hole U1309D. Journal of  Petrology, v.50, p.387-403.
  • Luitkus, C.M., Beard, J.S., Fraser, N.C., and Ragland, P.C. (2010) Use of fine scale stratigraphy and chemostratigraphy to evaluate conditions of deposition and preservation in a Triassic lagerstätte, south-central Virginia.  Journal of Paleolimnology, v.44, p.645-666.
  • Beard J.S. (2010) Reconnaissance mineralogy of the Eocene Mole Hill diatreme, Rockingham County, Virginia.  Jeffersoniana, v. 25, p.1-17.
  • Blackman. D.K. and IODP 304-305 Science Party (2011). Drilling Constraints on Lithospheric Accretion and Evolution at Atlantis Massif, Mid-Atlantic Ridge 30N. Journal of Geophysical Research, v.116, BO7103, doi:10.1029/2010JB007931.
  • Frost, B.R., Evans, K., Swapp, S.M., Beard, J.S. and Mothersole, F.E. (2013) The Process of Serpentinization in Dunite from New Caledonia.  Lithos v.178, p.24-39.
  • Tappa, M.J., Ayuso, R.A, Bodnar, R.J., Aylor, J.G., Beard, J.S., Henika, W.S., Vazquez, J.A., and Wooden, J.L. (2014) Age of Host Rocks at the Coles Hill uranium deposit, Pittsylvania County, Virginia, based on zircon U/Pb geochronology. Economic Geology, v.109, p.513-530.
  • Hibbard, J.P., Beard, J.S., Henika, W.S., and Horton, J.W. (in press) The Western Piedmont. In, Bailey, C., and Hibbard, J. eds. Geology of Virginia.