DR. HELPER - Publications
DR. HELPER
Publications:
Dr. Helper, M. A., 1996, Valley Spring Gneiss at Spring Creek, Inks Lake
State Park, in Mosher, S., ed., Guide to the Precambrian geology of the
eastern Llano Uplift, central Texas: Fieldtrip guide for the Geological
Society of America 30th annual south-central section meeting, Austin,
TX, p. 30-31.
Helper, M. A., Grimes, S. W., and Dalziel, I.W.D., 1995, Basement-cover
relations and fabrics in the central Read Mountains, Shackleton Range,
Antarctica (abst.), Proceedings of the International Symposium on Antarctic
Earth Sciences, Siena, Italy.
Gose, W. A., Helper, M. A., Connelly, J. N., Hutson, F. E., and Dalziel,
I. W. D., 1997, Paleomagnetic data and U-Pb isotopic age determinations
from Coats Land, Antarctica: Implications for late Proterozoic plate reconstructions:
Journal of Geophysical Research, v. 102, no. B4, p. 7887-7902.
Helper, M., Roback, R., and Connelly, J., 1996, Comparison of Proterozoic
basement provinces of the Southwestern US and East Antarctic craton: implications
for Neoproterozoic plate reconstructions: Geological Society of America
Abstracts with Programs, v. 28, no. 6, p 126.
Helper, M. A. and Gose, W. A., 1996, Virtual geomagnetic pole positions
from 1.1 Ga intrusive rocks of the Llano Uplift, central Texas (abst.),
Geological Society of America Abstracts with Programs, v. 27.
Bauer, P. W., Helper, M. A., 1994, Geologic Map of Trampas quadrangle,
Picuris Mountains, Taos and Rio Arriba Counties, New Mexico: New Mexico
Bureau of Mines and Mineral Resources, Geologic Map 71, Scale 1:24,000.
Coleman, R. G., Helper, M. A., and Donato, M. M., 1983, Geologic Map of
the Condrey Mountain Roadless Area, Siskiyou County, California: U.S.
Geological Survey Miscellaneous Field Study Map MF-1540-A, Scale 1:50,000.
Helper, M. A., 1986, Deformation and high P/T metamorphism in the central
part of the Condrey Mountain window, north-central Klamath Mountains,
California and Oregon, in Evans, B. W., and Brown, E. H., eds., Blueschists
and Eclogites: Geological Society of America Memoir 164, p. 125-142.
