Robert D. Tucker
Associate Professor
Ph.D., Yale University, 1985
U-Pb Geochronology, Regional Geology, Tectonics
Regional geology of the Appalachians and Caledonides; regional
geology of the Neoproterozoic of Africa, Madagascar, and the Seychelles;
Proterozoic geology of North America and Scandinavia; calibration of geological
time with emphasis on the lower Paleozoic periods; precise geochronology
as a means to constrain the rates of crust formation and the exhumation
of deeply buried terranes; structural geology and petrology of high-grade
metamorphic rocks; use of radiogenic isotopes and geochronology to study
continental growth and deformation during collisional orogeny.
Tucker, R.D., Kusky, T.M., Buchwaldt, R., and Handke,
M.J., in press, Neoproterozoic nappes and superimposed folding of the
Itremo Group, west-central Madagascar. Precambrian Research.
Zhou, C., Tucker, R.D., Xiao, S., Peng, Z, Yuan,
X. and Chen, Z., 2004, New constraints on the ages of Neoproterozoic glaciations
in South China. Geology 32, no.5, 437-440.
Tucker, R.D., Robinson, P., Krogh, T.E., Solli, A., Gee,
D.G., Thorsnes, T., and Bickford, M.E., in press, Relationship between
thrusting and extension during Caledonian orogeny in the Scandian hinterland,
Norway: Evidence based on a new tectono-stratigraphic compilation and
new U-Pb ages of zircon and sphene. American Journal of Science.
Pandit, M.K., Carter, L.M., Ashwal, L.D., Tucker, R.D.,
Torsvik, T.H., Jamtveit, B. and Bhushan, S.K., 2003, Age, petrogenesis
and significance of late Mesoproterozoic granitoids and related rocks
from the Aravalli Craton, NW India. Journal of Asian Earth Sciences
22, 363-381.
Owens, B.E. and Tucker, R.D., 2003, Geochronology of the
Mesoproterozoic State Farm Gneiss and associated Neoproterozoic granitoids,
Goochland Terrane, Virginia. Geological Society of America Bulletin
115, 972-982.
Ramezani, J. and Tucker, R.D., 2003, The Saghand region,
central Iran: U-Pb geochronology, petrogenesis and implications for Gondwana
tectonics. American Journal of Science 303,
622-665.
Buchwaldt, R., Tucker, R.D., and Dymek, R.F., 2003, Geothermobarometry
and U-Pb geochronology of metapelitic granulites and pelitic migmatites
from the Lokoho region, northern Madagascar. American Mineralogist
88, 1753-1768.
Inzana, J., Kusky, T., Higgs., G., and Tucker, R., 2003,
Supervised classifications of Landsat TM band ratio images and Landsat
TM band ratio image with radar for geological interpretations of central
Madagascar. Journal of African Earth Sciences 37,
59-72.
Bernard Bingen, B., Nordgulen, Ø., Sigmond, E.O.,
Tucker, R.D., Mansfield, J. and Högdahl, K., 2003, Relations between
1.19-1.13 Ga continental magmatism, sedimentation and metamorphism, Sveconorwegian
province, S Norway. Precambrian Research 124,
215-241.
Carswell, D.A., Tucker, R.D., O’Brien, P.J., and
Krogh, T.E., 2003, Coesite micro-inclusions and the U-Pb age of zircons
from the Hareidland eclogite in the Western Gneiss Region of Norway. Lithos
67, 181-190.
Bradley, D and Tucker, R.D., 2002, Emsian synorogenic
paleogeography of the Maine Appalachians. Journal of Geology
110, no.4, 483-492.
Stewart, D. B., Tucker, R.D., Ayuso, R.A., and Lux, D.R.,
2001, Minimum age of the Neoproterozoic Seven Hundred Acre Island Formation
and the tectonic setting of the Islesboro Formation, Islesboro block,
Maine. Atlantic Geology 37, 41-59.
Tucker, R.D., Osberg, P., and Berry, H.N., IV, 2001, The
geology of a part of Acadia and the nature of the Acadian Orogeny across
central and eastern Maine. American Journal of Science 301,
205-260.
Kusky, T.M., Li, J.-H., Tucker, R.D., 2001, The Archean
Dongwanzi ophiolite complex, North China craton: 2.505-billion-year-old
oceanic crust and mantle. Science 292, no. 5519,
1142-1145.
Torsvik, T.H., Ashwal, L.D., Tucker, R.D., and Eide, E.A.,
2001, Neoproterozoic geochronology and palaeogeography of the Seychelles
microcontinent: the India link. Precambrian Research 110,
47-59.
Torsvik, T.H., Tucker, R.D., Ashwal, L.D., Carter, L.M.,
Jamtveit, B., Vidyadharan, K.T., and Venkataramana, P., 2000, Late Cretaceous
India-Madagascar fit and timing of break-up related magmatism. Terra
Nova 12, 220-224.
Miller, M.L., Tucker, R.D., Layer, P.W., and Bundtzen,
T.K, 2000, Isotopic ages from intrusive rocks near the Stayahok gold placer
deposits; south-central Holy Cross Quadrangle, Alaska. U.S. Geological
Survey, Professional Paper (200007), 179-188.
Tucker, R.D., Ashwal, L.D., and Torsvik, T.H., 2001,
U-Pb geochronology of Seychelles granitoids: a Neoproterozoic continental
arc fragment. Earth and Planetary Science Letters v. 187,
27-38.
Bradley, D., Tucker, R.D., Lux, D., Harris, A., and McGregor,
C., 2000, Migration of the Acadian Orogen and Foreland Basin across the
Northern Appalachians of Maine and Adjacent Areas. U.S. Geological
Survey Professional Paper 1624 , 49 pp.
Eusden, J. Dykstra, Jr., Guzofski, C.A., Robinson, A.C.,
Tucker, R. D., 2000, Timing of the Acadian Orogeny in northern New Hampshire.
Journal of Geology v. 108, no. 2, 219-232.
Brasier, M., McCarron, G., Tucker, R.D., Leather, J.,
Allen, P., and Shields, G., 2000, New U-Pb zircon dates for the Neoproterozoic
Ghubrah glaciation and for the top of the Huqf Supergroup, Oman. Geology
, v. 28, no.2, 175-178.
Ashwal, L.D. and Tucker, R.D., 1999, Geology of Madagascar:
A brief outline. Gondwana Research v. 2 , no.3, 335-339.
Ashwal, L.D., Tucker, R.D., and Zinner, E.K., 1999, Slow
cooling of deep crustal granulites and Pb loss in zircon. Geochimica
et Cosmochimica Acta . v 63 , no.18, 2839-2851.
Tucker, R.D., Ashwal, L.D., Handke, M.J., Hamilton, M.A.,
LeGrange, M., and Rambeloson, R.A., 1999, U-Pb geochronology and isotope
geochemistry of Archean and Proterozoic rocks of north-central Madagascar.
Journal of Geology v. 107, pp. 135-153.
Handke, M.J., Tucker, R.D. and Ashwal, L.D., 1999, Neoproterozoic
continental arc magmatism in west-central Madagascar. Geology
v. 47, no.4, pp. 351-354.
See also Department Publications
|
314-935-6892 
tucker@levee.wustl.edu
314-935-7361 
