North Carolina Department of Environmental Quality
Policy and Innovation Group
Mary Penny Kelley, Senior Advisor - Policy and Innovation
Kenneth B. Taylor, State Geologist
North Carolina Geological Survey
Open File Report 2017-06
Disclaimer:
This Open-File report is preliminary and has been reviewed internally
for conformity with the North Carolina Geological Survey
editorial standards. Further revisions or corrections to
this preliminary map may occur.
A A'
SCALE 1:24,000
ACKNOWLEDGEMENTS:
This research was supported by the National Science
Foundation: Grants EAR-9219979 and EAR 9506363 to J.
Hibbard and EAR-9219583 to S. Samson.
Additional support was provided by the US Geological Survey to
R Bradley, by the North Carolina Geological Survey to G. Shell,
and by the Geological Society of America to G. Shell.
f
APPROXIMATE SCALE 1:24,000
REFERENCES
Bowman, J.D., Hibbard, J.R, and Miller, B.V., 2013, The Virgilina Sequence
redefined, north central North Carolina, , in Hibbard, J.P., and Pollock, J.C., eds.,
One arc, two arcs, old arc, new arc: The Carolina terrane in central North
Carolina, Carolina Geological Society field trip guidebook, p. 127-138.
Bowman, J.D., 2010, The Aaron Formation: Evidence for a new lithotectonic
unit in Carolinia, north central North Carolina. MS thesis, North Carolina State
University, Raleigh, North Carolina, 112 p.
Bradley, P.J., 1996, The structural relationship between the Hyco shear zone
and the Milton terrane in the South Boston, Virginia Area: M.S. thesis, North
Carolina State University, Raleigh, North Carolina, 86 p.
Glover, L., Ill, and Sinha, A., 1973, The Virgilina deformation, a late
Precambrian to Early Cambrian (?) orogenic event in the central Piedmont of
Virginia and North Carolina: American Journal of Science, v. 273-A, p. 234-
251.
Hibbard, J., Shell, G., Bradley, P., Samson, S., and Wortman, G., 1998, The
Hyco shear zone in North Carolina and southern Virginia: Implications for the
Piedmont Zone - Carolina Zone boundary in the southern Appalachians:
American Journal of Science, v. 298, p. 85-107.
Shell, G. S., 1996, Nature of the Carolina slate belt-Milton belt boundary near
Yanceyville, North Carolina: M.S. thesis, North Carolina State University,
Raleigh, North Carolina, 96 p.
Wilkins, K.J., 1994, unpublished, Field trip guide to the Milton belt - Carolina
slate belt boundary region in the Leasburg and Milton 7.5’ quadrangles.
Wortman, G., Samson, S., and Hibbard, J., 1998, Precise U-Pb timing
constraints on the kinematic development of the Hyco shear zone, southern
Appalachians: American Journal Science, v. 298, p. 108-130.
Wortman, G., Samson, S., and Hibbard, J., 2000, Precise U-Pb zircon
constraints on the earliest magmatic history of the Carolina terrane: Journal of
Geology, v. 108, p. 321-338.
Geology of the Hyco Shear Zone in North Carolina and Virginia, Open File Report 2017-06
