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Spatial Extent of Data

Place Keywords

Buffalo Springs, Middle Meherrin River, Kits Creek, Stony Creek, Fort Mitchell, Ontario, Mayo Reservoir, Charlotte County, Dockery Creek, Palmer Crossroads, Spanish Grove, Formosa, Temble Creek, Hitesburg, Chase City, Skipwith, Connor Lake, Scottsburg, Gibson Creek, Hawtree Creek, Mountain Creek, Bracey, Dixon Millpond, Burton Branch, Aarons Creek, Cub Creek, Buffalo Junction, Lennig, Christie, Gilliams Branch, Rehoboth, Parham Creek, Bluestone Creek, Cargills Creek, Virginia, Mines Creek, Palmer Springs, Buckskin Creek, Little Temble Creek, Otter Creek, Marengo, Crupper Run, Birch Creek, Panhandle Creek, Twittys Creek, Little Juniper Creek, South Meherrin River, Roanoke River, Reeses Creek, Coleman Creek, Piney Grove, Clover Creek, Little Genito Creek, Mayo, Drakes Branch, Warren County, Nelson, Blanes Millpond, Jeffress, Layton Creek, Halifax, Beaver Pond Creek, Lake Gordon, Devils Branch, Castle Heights, Hagood Creek, Randolph, Red Oak, Shiny Rock, Bluewing Creek, Halifax County, Blackridge, Public Fork, Philbeck Crossroads, Clays Mill, Forksville, Nathalie, Armistead Branch, Gregory Corner, Lunenburg, Buggs Island, Moody Creek, Cedar Creek, Horseshoe Lake, Brunswick County, Beaver Pond, Mitchell Creek, Sinai, Nutbush Creek, Roanoke Creek, Hughs Lake, Granville County, Kenbridge, Hyco River, Bagleys Mills, Crooked Creek, Wylliesburg, Allen Creek, Taylors Creek, Dundas, Averett, Wightman, Vance County, Cotton Creek, Finneywood, Mason Creek, Victoria, Farmers Branch, Red Bank, Dan River, Island Creek Reservoir, Cluster Springs, Rocky Branch, Catawba Creek, Seay Creek, The Ridge, Ready Creek, Clarkton, Bethel Hill, South Hill, Mikes Creek, Butcher Creek, Couches Creek, Reynolds Creek, North Carolina, Bears Element Creek, Mayo Creek, Little Johnson Creek, Mecklenburg County, Ashcake Creek, Clarksville, Saxe, Baskerville, Riverdale, Evans Creek, Big Juniper Creek, Kettle Creek, Clover, Finchley, Bowes Branch, South Boston, Mount Laurel, Finnewood Creek, Kettlesticks Creek, Winn Creek, Beech Creek, Sandy Creek, Lawsons Creek, Union Level, Reedy Creek, Dryburg, La Crosse, Langford Pond, Kerr Reservoir, Blackstone Creek, Lyle Creek, Buckham Creek, Esnon, North Meherrin River, Banister Lake, Banister River, Long Branch, Omega, Hunting Creek, Dudley, Crystal Hill, Bishops Corner, Buckhorn Creek, Cox Creek, Flat Rock Creek, Smith Creek, Miles Creek, Bluestone Otter Creek, Little Horsepen Creek, Miry Creek, Difficult Creek, Great Creek, Rabat, Tungsten, North View, Mill Branch, Wallace Branch, Castle Creek, Virgilina, Redlawn, Scotts Crossroad, Harmony, Peter Creek, Stokes Creek, Island Creek, Person County, Black Walnut Creek, Buffalo Creek, Wolf Trap Creek, Johnson Creek, Big Hounds Creek, Lunenburg County, Lake Gaston, Piney Creek, Ellis Creek, Barnes Junction, Mossingford, Poplar Creek, Plantersville, Boydton, Grassy Creek, Siddon, Goodell Creek, Flat Creek, Horsepen Creek, Brodnax

Database for the geologic map of the South Boston 30' x 60' Quadrangle, Virginia and North Carolina

The 1:100,000-scale geologic map of the South Boston 30' x 60' quadrangle, Virginia and North Carolina, provides geologic information for the Piedmont along the I-85 and U.S. Route 58 corridors and in the Roanoke River watershed, which includes the John H. Kerr Reservoir and Lake Gaston. The Raleigh terrane (located on the eastern side of the map) contains Neoproterozoic to early Paleozoic(?) polydeformed, amphibolite-facies gneisses and schists. The Carolina slate belt of the Carolina terrane (located in the central part of the map) contains Neoproterozoic metavolcanic and metasedimentary rocks at greenschist facies. Although locally complicated, the slate-belt structure mapped across the South Boston map area is generally a broad, complex anticlinorium of the Hyco Formation (here called the Chase City anticlinorium) and is flanked to the west and east by synclinoria, which are cored by the overlying Aaron and Virgilina Formations. The western flank of the Carolina terrane (located in the western-central part of the map) contains similar rocks at higher metamorphic grade. This terrane includes epidote-amphibolite-facies to amphibolite-facies gneisses of the Neoproterozoic Country Line complex, which extends north-northeastward across the map. The Milton terrane (located on the western side of the map) contains Ordovician amphibolite-facies metavolcanic and metasedimentary gneisses of the Cunningham complex. Crosscutting relations and fabrics in mafic to felsic plutonic rocks constrain the timing of Neoproterozoic to late Paleozoic deformations across the Piedmont. In the eastern part of the map, a 5- to 9-kilometer-wide band of tectonic elements that contains two late Paleozoic mylonite zones (Nutbush Creek and Lake Gordon) and syntectonic granite (Buggs Island pluton) separates the Raleigh and Carolina terranes. Amphibolite-facies, infrastructural metaigneous and metasedimentary rocks east of the Lake Gordon mylonite zone are generally assigned to the Raleigh terrane. In the western part of the map area, a 5- to 8-kilometer-wide band of late Paleozoic tectonic elements includes the Hyco and Clover shear zones, syntectonic granitic sheets, and amphibolite-facies gneisses along the western margin of the Carolina terrane at its boundary with the Milton terrane. This band of tectonic elements is also the locus for early Mesozoic extensional faults associated with the early Mesozoic Scottsburg, Randolph, and Roanoke Creek rift basins. The map shows fluvial terrace deposits of sand and gravel on hills and slopes near the Roanoke and Dan Rivers. The terrace deposits that are highest in altitude are the oldest. Saprolite regolith is spatially associated with geologic source units and is not shown separately on the map. Mineral resources in the area include gneiss and granite quarried for crushed stone, tungsten-bearing vein deposits of the Hamme district, and copper and gold deposits of the Virgilina district. Surface-water resources are abundant and include rivers, tributaries, the John H. Kerr Reservoir, and Lake Gaston. Groundwater flow is concentrated in saprolite regolith, along fractures in the crystalline bedrock, and along fractures and bedding-plane partings in the Mesozoic rift basins.

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Author(s) J. Wright Horton orcid, John D. Peper, William C Burton orcid, Robert E. Weems orcid, Paul E. Sacks, Ernest A Crider
Publication Date 2021-11-10
Beginning Date of Data 2021-11-10
Ending Date of Data 2021-11-10
Data Contact
DOI https://doi.org/10.5066/P98AQDR7
Citation Horton, J.W., Peper, J.D., Burton, W.C., Weems, R.E., Sacks, P.E., and Crider, E.A., 2021, Database for the geologic map of the South Boston 30' x 60' Quadrangle, Virginia and North Carolina: U.S. Geological Survey data release, https://doi.org/10.5066/P98AQDR7.
Metadata Contact
Metadata Date 2022-03-16
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Harvest Source: ScienceBase
Harvest Date: 2024-07-24T04:01:55.917Z