AZ MZ GH/SH KMSZ S BRSZ CA LSZ RR BZ BTSZ SS SS OS SIGNIFICANT STRUCTRAL FEATURES SIGNIFICANT WAVE-CUT SCARPS AZ Augusta zone BZ Brevard zone BRSZ Buzzards Roost shear zone CA Cross Anchor fault RR Reedy River fault zone GH/SH Gold Hill / Silver Hill shear zone KMSZ Kings Mountain shear zone LSZ Lowndesville shear zone S OS SS Seneca thrust Augusta terrane Blue Ridge Charlotte terrane Carolina terrane (slate belt) Chauga belt Laurens thrust stack Sixmile thrust sheet Walhalla thrust sheet Kings Mountain terrane Savannah River terrane BLUE RIDGE AND PIEDMONT COASTAL PLAIN QUATERNARY TERTIARY CRETACEOUS TRIASSIC IGNEOUS ROCKS Holocene Pleistocene Pliocene Paleocene, Eocene, and Miocene Upper Cretaceous Triassic basins Gabbro Granite DESCRIPTION OF MAP UNITS Generalized Geologic Map of South Carolina 2005 N South Carolina Department of Natural Resources Geological Survey South Carolina Department of Natural Resources Geological Survey 1825 0 40 kilometers 10 30 20 10 0 40 miles 10 30 20 10 BTSZ Boogertown shear zone Orangeburg Scarp Surry Scarp Revised by Willoughby, Howard, and Nystrom, 2005 Original compilation by Maybin and Nystrom, 1997 MZ Modoc shear zone