View of the Salmon River Canyon and Salmon River Mountains

From Heavens Gate, Idaho,

on the rim of Hells Canyon, with Mr. Mac and Cutler

David E. Blake

Associate Professor of Geology

B.S. University of North Carolina at Chapel Hill, 1982

M.S. North Carolina State University, 1986

Ph.D. Washington State University, 1991

Structural Geology, Metamorphic Petrology, and Macro- to Microtectonics

Telephone:  910-962-3387

E-mail:  blaked@uncw.edu

Research Efforts:

My research involves the study of the tectonic evolution of the North American craton from the Late Proterozoic to the Mesozoic era in the central and eastern Piedmont of North Carolina and west-central Idaho. It is centered upon detailed geologic mapping of deformed igneous, metamorphic, and sedimentary rocks within and among a variety of tectonostratigraphic terranes. After establishing the lithodemic and geochemical framework of an area, I concentrate on such topics as the microscale to macroscale analyses of structural and metamorphic fabric elements preserved in the rocks, the mechanical control that fabric exerts on deformation, progressive deformation and metamorphism versus superimposed events during mountain building, P-T-t histories, geochemical terrane correlations and petrogenesis, and the plate tectonic interactions responsible for accreting terranes to Laurentia and then North America.

My current interests include:

  • Geologic mapping, structural and metamorphic fabric analysis, and geochemical investigations of volcanogenic rocks on the western flank of the Wake-Warren anticlinorium in the eastern Piedmont of North Carolina.
  • Rock fabric development and its relationship to an arc-continent collision across the Salmon River suture zone and within the western Idaho shear zone in the Salmon River Canyon, Idaho County, west-central Idaho.
  • Structural and metamorphic studies, and geochemical investigations of the volcanogenic Carolina terrane in the north-central Piedmont of North Carolina and the Spring Hope terrane in the eastern Piedmont of North Carolina.

Graduate Students:

My current graduate students are:

 

Daniel L. Rhodes who is working on a project entitled “Constraints on correlations and timing of Carolina terrane volcanism and deformation in the northeastern Lake Michie Quadrangle, Henderson 100K sheet, Durham, Granville, and Person Counties, North Carolina,” in conjunction with the NCGS STATEMAP program in the Henderson, Greensboro, Chapel Hill, and Raleigh 100K sheets.

 

Rhodes, Daniel L., Kendall, Jacob M., and Blake, D. E., 2011, Lithologic and geochemical correlations among Virgilina sequence rocks in the Carolina terrane of North Carolina, Geological Society of America  Abstracts with Programs, v. 43, no. 2, p. 9.

David Parnell who is conducting a lithodemic and structural analysis of the northern Oxford 7.5-minute quadrangle in the northeastern Carolina terrane at the northern termination of the Deep River Mesozoic basin, northeastern Piedmont of North Carolina for the NC Geological Survey project in the Henderson 30x60 sheet.

Parnell, D. B. and Blake, D. E., 2007, Lithodemic and structural analysis in the Oxford 7.5-minute quadrangle, northeastern Piedmont of North Carolina:  Geological Society of America Abstracts with Programs, v. 39, no. 2, p. 99.

Parnell, D. B., Blake, D. E., and Bradley, P. J., 2006, Geochemical correlations and tectonic setting of the northeastern Carolina Zone in North Carolina, in Bradley, P. J. and Clark, T. W., eds., The Geology of the Chapel Hill, Hillsborough and Efland 7.5-Minute Quadrangles, Orange and Durham Counties, Carolina Terrane, North Carolina, Raleigh, North Carolina Geological Survey, Carolina Geological Society Guidebook for 2006, p. 47-67.

Parnell, D. B., Blake, D. E., Stoddard, E. F., and Clark, T. W., 2006, New constraints on geochemical correlations and tectonic setting for volcanogenic terranes on the western flank of the Wake-Warren anticlinorium, North Carolina eastern Piedmont:  Geological Society of America Abstracts with Programs, v. 38, no. 3, p. 79.

Dawn Reed who is conducting a structural  kinematic analysis of the Blue Mountains island arc-North American craton boundary along the western Idaho shear zone within the Salmon River suture zone in the Salmon River Canyon between Van Ridge and Partridge Creek, west-central Idaho.

Reed, D. N. and Blake, D. E., 2006, Testing the role of ductile extension along the western Idaho shear zone in the Salmon River suture zone east of Riggins, Idaho:  Geological Society of America Abstracts with Programs, v. 38, no. 3, p. 75.

My students who have completed their studies include:

Kenny Robitaille who completed a detailed mapping project on the geology of the Tar River area in the Wilton, Kittrell, Franklinton, and Grissom 7.5-minute quadrangles. This project is funded through the USGS EDMAP program.

Robitaille, K. R., 2004, Geology and terrane relationships of the Tar River area, Franklin and Granville Counties, North Carolina:  (M.S. Thesis) Wilmington, University of North Carolina at Wilmington, 167p and 2  plates.

Robitaille, K. R., Blake, D. E., and O Shaughnessy, T. B., 2001, Terrane relationships across the Tar River area, Franklin and Granville Counties, eastern Piedmont of North Carolina: GSA Abstracts with Programs, v. 33, p. A-19.

Michelle Bruce who completed a linear and planar fabric development study along the western boundary of the western Idaho suture zone east of Riggins, Idaho, along the Salmon River gorge.
 

Bruce, M. L., 1998, Geology across the western boundary of the western Idaho suture zone, Lake Creek area, Riggins, Idaho: (M.S. Thesis) Wilmington, University of North Carolina at Wilmington, 142p and 1 plate.

Bruce, M. L. and Blake, D. E., 1996, Lithostratigraphy and structures along the western boundary of the western Idaho suture zone, Salmon River gorge, Idaho: Geological Society of America Abstracts with Programs, v. 28, p. 5.

Thomas Stetler who completed a study of refold relationships and cleavage development in the Spring Hope terrane, eastern Piedmont of North Carolina.
 

Stetler, T. L., 1997, Structural and lithodemic character of the Spring Hope field area, Nash County, North Carolina: (M.S. Thesis) Wilmington, University of North Carolina at Wilmington, 107p and 2 plates.

Stetler, T. L., and Blake, D. E., 1994, Effects of multiple deformation on volcanogenic rocks of the southern Spring Hope quadrangle, Eastern slate belt, North Carolina: Annual Meeting of the Southeastern Section of the Geological Society of America, Abstracts with Programs, v. 26, p. 64.

Teaching Efforts:

  • GLY 101: Principles of Geology and Laboratory
  • GLY 120: Honors Environmental Geology
  • GLY 171: Applied Physical Geology
  • GLY 200: Methods in Geology
  • GLY 201: Mineralogy
  • GLY 205: Earth Materials
  • GLY 310: General Petrology
  • GLY 311: Igneous and Metamorphic Petrology
  • GLY 390: Field Methods in Geosciences
  • GLY 441: Structural Geology
  • GLY 443: Tectonics
  • GLY 470: Field Course in Geology
  • GLY 495: Senior Seminar
  • GLY 513: Advanced Igneous Petrology
  • GLY 514: Advanced Metamorphic Petrology
  • GLY 540: Regional Geology of North America
  • GLY 541: Advanced Structural Geology
  • GLY 543: Tectonics
  • GLY 591: Geology of the Blue Ridge Mountains
  • GLY 592: Advanced Analysis of Earth Materials

Publications:

Blake, D. E., Stoddard, E. F., and Bradley, Phillip J., 2011, Transition between the Raleigh and Carolina terranes in north-central North Carolina:  Geological Society of America Field Trip Guidebook for the 60th Annual Meeting of the Southeastern Section, Field Trip 403, 44p.

 

Blake, D. E., Gray, K. D., Giorgis, S., and Tikoff, B., 2009, A tectonic transect through the Salmon River suture zone along the Salmon River Canyon in the Riggins region of west-central Idaho, in O’Connor, J.E., Dorsey, R.J., and Madin, I.P., eds., Volcanoes to Vineyards: Geologic Field Trips through the Dynamic Landscape of the Pacific Northwest: Geological Society of America Field Guide 15, p. 345–372, doi: 10.1130/2009.fl d015(18); National GSA Meeting Portland, Oregon.

 

Blake, D. E., 2008, Geologic map of the Raleigh West 7.5-Minute Quadrangle, Wake County, North Carolina:  North Carolina Geological Survey Geologic Map Series 15, 1 plate with explanation.

 

Parnell, D. B., Blake, D. E., and Bradley, P. J., 2006, Geochemical correlations and tectonic setting of the northeastern Carolina Zone in North Carolina, in Bradley, P. J. and Clark, T. W., eds., The Geology of the Chapel Hill, Hillsborough and Efland 7.5-Minute Quadrangles, Orange and Durham Counties, Carolina Terrane, North Carolina, Raleigh, North Carolina Geological Survey, Carolina Geological Society Guidebook for 2006, p. 47-67.

Blake, D. E., Clark, T. W., and Heller, M. J., 2001, A temporal view of terranes and structures in the eastern North Carolina Piedmont, in Hoffman, C. W., ed., Field Trip Guidebook for the 50th Annual Meeting of the Southeastern Section of the Geological Society of America, Raleigh, p. 149-180.

Heller, M. J., Grimes, W. S., Stoddard, E. F., and Blake, D. E., 1998, Brittle faulting along the western edge of the eastern North Carolina Piedmont: Southeastern Geology, v. 38, no. 2, p. 103-116.

Blake, D. E., 1994, Intrusive and deformational relationships of the Crabtree Creek pluton in west Raleigh. in Stoddard, E. F. and Blake, D. E. eds., Geology and Field Trip Guide, Western Flank of the Raleigh Metamorphic Belt, North Carolina, Raleigh, North Carolina Geological Survey, Carolina Geological Society Guidebook for 1994, p. 25-37.

Horton, J. W., Jr., Blake, D. E., Wylie, A. S., Jr., and Stoddard, E. F., 1994, Geologic map of the Falls Lake-Wake Forest area, north-central North Carolina--A synopsis, in Stoddard, E. F. and Blake, D. E., eds., Geology and Field Trip Guide, Western Flank of the Raleigh Metamorphic Belt, North Carolina, Raleigh, North Carolina Geological Survey, Carolina Geological Society Guidebook for 1994, p. 1-11.

 

Stoddard, E. F., Blake, D. E., Horton, J. W., Jr., and Butler, J. R., 1994, The Falls Lake thrust:  A pre-metamorphic terrane-bounding fault in the eastern North Carolina Piedmont, in Stoddard, E. F. and Blake, D. E., eds., Geology and Field Trip Guide, Western Flank of the Raleigh Metamorphic Belt, North Carolina, Raleigh, North Carolina Geological Survey, Carolina Geological Society Guidebook for 1994, p. 39-45.

 

Lumpkin, B. L., Stoddard, E. F., and Blake, D. E., 1994, The Raleigh Graphite Schist, in  Stoddard, E. F. and Blake, D. E., eds., Geology and Field Trip Guide, Western Flank of the Raleigh Metamorphic Belt, North Carolina, Raleigh, North Carolina Geological Survey, Carolina Geological Society Guidebook for 1994, p. 19-24.

 

Horton, J. W., Jr., Blake, D. E., Wylie, A. S., Jr., and Stoddard, E. F., 1992, Geologic Map of the Falls Lake-Wake Forest area, north-central North Carolina:  U. S. Geological Survey Open File Report 92-269, 9p.

Blake, D. E., 1991. Geology of the western Idaho suture zone in the Salmon River gorge, west-central Idaho. (Ph.D. dissertation), Washington State University, Pullman, Washington, 330 p.

Stoddard, E. F., Wylie, A. S., Jr., and Blake, D. E., 1989, Metamorphosed chromitite in the Falls Lake mélange, North Carolina Piedmont, in Mittwede, S. K. and Stoddard, E. F., eds., Ultramafic Rocks of the Appalachian Piedmont, Geological Society of America Special Paper 231, p. 33-44.

Horton, J. W., Jr., Blake, D. E., Wylie, A. S., Jr., and Stoddard, E. F., 1986, Metamorphosed melange terrane in the eastern Piedmont of North Carolina: Geology, v. 14, p. 551-553.

Stoddard, E. F., Horton, J. W., Jr., Wylie, A. S., Jr., and Blake, D. E., 1986, The western edge of the Raleigh belt near Adam Mountain, Wake County, North Carolina, in Neathery, T. L., ed., Southeastern Section of the Geological Society of America Centennial Field Guide Volume 6, p. 223-226.

Professional Presentations:

Blake, D. E. and Stoddard, E. F., 2011, Transcurrent transfer zone and dextral releasing offset:  the Nutbush Creek-Lake Gordon fault system in the eastern North Carolina Piedmont:  Geological Society of America Abstracts with Programs, v. 43, no. 2, p. 16.

 

Stoddard, E. F. and Blake, D. E., 2011, The northern Rolesville batholith and adjacent Piedmont structures and terranes:  Geological Society of America Abstracts with Programs, v. 43, no. 2, p. 16.

 

Rhodes, Daniel L., Kendall, Jacob M., and Blake, D. E., 2011, Lithologic and geochemical correlations among Virgilina sequence rocks in the Carolina terrane of North Carolina:  Geological Society of America Abstracts with Programs, v. 43, no. 2, p. 9.

Buford, Christopher L. and Blake, D. E., 2008, Lithodemic and tectonothermal characterization of the Raleigh terrane in the Middleburg and John H. Kerr Dam Quadrangles, northeastern North Carolina Piedmont:  Geological Society of America Abstracts with Programs, v. 40, no. 4, p. 12.

Blake, D. E., Wooten, R. M., Parnell, D. B., Robitaille, K. R., and Pesicek, J. D., 2007, Ductile-brittle extensional deformation along the northern Deep River rift basin termination in the northeastern North Carolina Piedmont:  Geological Society of America Abstracts with Programs, v. 39, no. 2, p. 12-13.

 

Parnell, D. B. and Blake, D. E., 2007, Lithodemic and structural analysis in the Oxford 7.5-minute Quadrangle, northeastern Piedmont of North Carolina:  Geological Society of America Abstracts with Programs, v. 39, no. 2, p. 99.

 

Blake, D. E., Reed, D. N., Bruce, M. L., and Phillips, C. M., 2006, Lithodemic, metamorphic, and structural relationships in the Riggins Hot Springs area along the Salmon River Canyon, west-central Idaho:  Geological Society of America Field Forum entitled “Tectonic Significance of Vertical Boundaries in the Cordillera,” A field investigation of the western Idaho shear zone, on the western edge of the Idaho Batholith, McCall, Idaho.

 

Reed, D. N. and Blake, D. E., 2006, Testing the role of ductile extension along the western Idaho shear zone in the Salmon River suture zone east of Riggins, Idaho:  Geological Society of America Abstracts with Programs, v. 38, no. 3, p. 75.

 

Parnell, D. B., Blake, D. E., Stoddard, E. F., and Clark, T. W., 2006, New constraints on geochemical correlations and tectonic setting for volcanogenic terranes on the western flank of the Wake-Warren anticlinorium, North Carolina eastern Piedmont:  Geological Society of America Abstracts with Programs, v. 38, no. 3, p. 79.

 

Blake, D. E. and Stoddard, E. F., 2004, Intra-arc lithotectonic relationships in the northeastern Carolina Zone, eastern North Carolina Piedmont:  Geological Society of America Abstracts with Programs, v. 36, no. 2, p. 105.

Martin, C. M. and Blake, D. E., 2001, Extensional fabric development along an arc-continent boundary, Salmon River Canyon, west-central Idaho: GSA Abstracts with Programs, v. 33, p. A-3.

Blake, D. E., Clark, T. W., Stoddard, E. F., Hames, W. E., Heller, M.J., Grimes, W. S., Robitaille, K. R., and Hibbard, J. P., 2001, Ductile-Brittle relationships on the western flank of the Raleigh metamorphic belt, North Carolina: Geological Society of America Abstracts with Programs, v. 33, p. A-19.

Hames, W. E., Clark, T. W., Blake, D. E., Hibbard, J. P., and Stoddard, E. F., 2001, Late Permian 40Ar/39Ar age of brittle-ductile deformation within the Jonesboro fault zone adjacent to the Mesozoic Deep River basin, North Carolina: GSA Abstracts with Programs, v. 33, p. A-19.

Martin, C. M. and Blake, D. E., 2001, Extensional fabric development along an arc-continent boundary, Salmon River Canyon, west-central Idaho: GSA Abstracts with Programs, v. 33, p. A-3.

Robitaille, K. R., Blake, D. E., and O Shaughnessy, T. B., 2001, Terrane relationships across the Tar River area, Franklin and Granville Counties, eastern Piedmont of North Carolina:  GSA Abstracts with Programs, v. 33, p. A-19.

Blake, D. E., Bruce, M. L., and Martin, C, 1999, Mid-crustal, dip-parallel displacements across the western Idaho suture zone during arc-continent collision:  in Mahoney, J. B. and Haugerud, R. A., Terrane Accretion along the Western Cordilleran margin:  Constraints on timing and displacement, Geological Society of America Penrose Conference Field Trip Guidebook and Proceedings Abstracts, p. 62.

 

Blake, D. E., Stoddard, E. F., Grimes, W. S., Phelps, H. G., and Butler, J. R., 1999, Lithodemic characterization of Neoproterozoic bimodal arc magmatism, easternmost Carolina terrane, North Carolina: Geological Society of America Abstracts with Programs, v. 31, p. A-6.

Blake, D. E., Stoddard, E. F., Heller, M. J., Carpenter, R. H., Carpenter, P. A., III, and Butler, J. R., 1999, Raleigh 100K STATEMAP project: Geologic relationships of the southwestern Raleigh metamorphic belt in North Carolina: Geological Society of America Abstracts with Programs, v. 31, p. A-6.

Blake, D. E., Stoddard, E. F., Grimes, W. S., Phelps, H. G., and Butler, J. R., 1999, Lithodemic characterization of Neoproterozoic bimodal arc magmatism, easternmost Carolina terrane, North Carolina: GSA Abstracts with Programs, v. 31, p. A-6.

Blake, D. E. and Behringer J. J., 1998, Lithodemic and structural character of the Carolina terrane in the Raleigh-Cary area, north-central North Carolina: Geological Society of America Abstracts with Programs, v. 30, p. 4.

Blake, D. E., Stoddard, E. F., and Heller, M. J., 1997, Results of STATEMAP geologic mapping along the western flank of the Raleigh metamorphic belt: Annual Meeting of the Southeastern Section of the Geological Society of America, Abstracts with Programs, v. 29, p. 5.

Grimes, W. S., Stoddard, E. F., and Blake, D. E., 1997, Geologic mapping along the Carolina terrane-Raleigh terrane boundary, southern Vance County, North Carolina:  GSA Abstracts with Programs, v. 29, no. 3, p. 20.

Bruce, M. L. and Blake, D. E., 1996, Lithostratigraphy and structures along the western boundary of the western Idaho suture zone, Salmon River gorge, Idaho:  GSA Abstracts with Programs, v. 28, p. 5.

Blake, D. E., Stoddard, E. F., and Heller, M. J., 1996, Dextral strike-slip duplex formation along the Nutbush Creek fault zone in the northwest Raleigh region, North Carolina: Geological Society of America Abstracts with Programs, v. 28, p. 3-4.

Heller, M. J., Stoddard, E. F., and Blake, D. E., 1996, Map-scale structures in the southwestern part of the Raleigh metamorphic belt, Wake County, North Carolina:  GSA Abstracts with Programs, v. 28, p. 15

Stoddard, E. F., Heller, M. J., Blake, D. E., Smith, M. S., Carpenter, R. H., Carpenter, P. A., Goldberg, S. A., and Butler, J. R., 1996, Whole-rock geochemistry of metaigneous rocks, eastern North Carolina Piedmont:  How many terranes?:  GSA Abstracts with Programs, v. 28, p. 45-46.

Goldberg, S. A., Fullagar, P. D., Butler, J. R., Mehlhop, A., Horton, J. W., Jr., Stoddard, E. F., and Blake, D. E., 1995, Ages and characterization of source components in Proterozoic terranes of the eastern and central Piedmont of North Carolina, GSA Abstracts with Programs, v. 27, p. A-397.

Schwab, B. E., Landis, T. W., and Blake, D. E., 1995, Lithostatigraphic control on the development of structures at the Roanoke Rapids tailrace, Halifax County, NC: Annual Meeting of the Southeastern Section of the Geological Society of America, Abstracts with Programs, v. 27, p. 85-86.

Lumpkin, B. L., Stoddard, E. F., and Blake, D. E., 1994, Metamorphic and tectonic significance of the Raleigh graphite:  GSA Abstracts with Programs, v. 26, p. 25.

Stetler, T. L., and Blake, D. E., 1994, Effects of multiple deformation on volcanogenic rocks of the southern Spring Hope quadrangle, Eastern slate belt, North Carolina: GSA Abstracts with Programs, v. 26, p. 64.

Blake, D. E., and Stoddard, E. F., 1993, The Crabtree Creek pluton:  A deformed mid-Paleozoic(?) stitching pluton on the west flank of the Raleigh metamorphic belt:  GSA Abstracts with Programs, v. 25, p. 4.

 

Stoddard, E. F., and Blake, D. E., 1992, Tectonothermal evolution across the Falls Lake thrust:  GSA Abstracts with Program, v. 24, p. 68.

 

Horton, J. W., Jr., Blake, D. E., Wylie, A. S., Jr., and Stoddard, E. F., 1991, Geologic map of the Falls Lake region, north-central North Carolina:  GSA Abstracts with Programs, v. 23, p. 46.

Blake, D. E., Thiessen, R. L., and Watkinson, A. J., 1989, Structural analysis of the west Idaho suture zone in the Salmon River gorge, Riggins region, west-central Idaho: Geological Society of America Abstracts with Programs, v. 21, p. 58.

Stoddard, E. F., Wylie, A. S., Jr., and Blake, D. E., 1987, Metamorphosed chromitite pods in the Falls Lake melange, eastern North Carolina Piedmont:  GSA Abstracts with Programs, v. 19, p. 131.

 

Blake, D. E., and Stoddard, E. F., 1986, Structural analysis of the deformed Carolina slate belt-Raleigh belt boundary, eastern Piedmont of North Carolina:  GSA Abstracts with Programs, v. 18, p. 212.

 

Horton, J. W., Jr., Blake, D. E., Wylie, A. S., Jr., and Stoddard, E. F., 1985, The Falls Lake melange, a polydeformed accretionary complex in the North Carolina Piedmont:  GSA Abstracts with Programs, v. 17, p. 613.

 

Horton, J. W., Jr., Stoddard, E. F., Wylie, A. S., Jr., Moye, R. J., Jr., and Blake, D. E., 1985, Melange terrane in the eastern Piedmont of North Carolina:  GSA Abstracts with Programs, v. 17, p. 96.

Stoddard, E. F., Wylie, A. S., Jr., and Blake, D. E., 1985, Basal thrust contact of the accreted Carolina Slate belt volcanic arc, southern Appalachian Piedmont:  GSA Abstracts with Programs, v. 17, p. 728.

Geologic Mapping Efforts:

Blake, D. E., Buford, C. L., Schronce, A. G. and Hill, D. T., 2010, Geologic map of the North Carolina portion of the John H. Kerr Dam 7.5-minute Quadrangle, Warren and Vance Counties, North Carolina:  North Carolina Geological Survey Open-File Report 2010-01, scale 1:24,000, color.

 

Blake, D. E., Schronce, A. G., Smith, B. C., and Kendall, J. M., 2009, Geologic map of the Stem 7.5-minute Quadrangle, Granville County, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Buford, C. L., Stoddard, E. F., and Blake, D. E., 2007, Geologic map of the Middleburg 7.5-minute Quadrangle, Granville and Vance Counties, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Blake, D. E., Reed, D. N., Bruce, M. L., and Phillips, C. M., 2006, Digital geologic map entitled “Geologic map of the Riggins Hot Springs 7.5-minute Quadrangle and surrounding area, Salmon River Canyon and Mountains, Idaho County, Idaho.” Geological Society of America Field Forum.

 

Parnell, D. B., Blake, D. E.., Wooten, R. M., Phillips, C. M., and Farris, P. F., 2006, Geologic map of the Oxford 7.5-minute Quadrangle, Granville and Vance Counties, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Blake, D. E. and Parnell, D. B., 2005, Geologic map of the southeastern Townsville 7.5-minute Quadrangle, Vance County, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Blake, D. E., and Stoddard, E. F., 2004, Geologic map of the Henderson 7.5-minute Quadrangle, Vance County, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Horton, J. W., Jr., Blake, D. E., Wylie, A. S., Jr., and Stoddard, E. F., 2004, Geologic map of the Bayleaf 7.5-minute Quadrangle, Wake County, North Carolina NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Clark, T. W., Blake, D. E., Stoddard, E. F., Carpenter, P. A., III, and Carpenter, R. H., 2004, Bedrock geologic map of the Raleigh 100K Quadrangle, central North Carolina, NCGS Open File Report, 1:100,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Blake, D. E., Robitaille, K. R., Phillips, C. M., Witanachchi, C. D., Wooten, R. W., Grimes, W., Pesicek, J. D., and Grosser, B. D., 2003, Geologic map of the Wilton 7.5-minute Quadrangle, Granville, Vance, and Franklin Counties, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Blake, D. E., Phillips, C. M., O Shaughnessy, T. B., and Clark, T. W., 2002, Geologic map of the Grissom 7.5-minute Quadrangle, Granville, Franklin, and Wake Counties, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Clark, T. W., Phillips, C. M, and Blake, D. E., 2002, Geologic map of the Creedmoor 7.5-minute Quadrangle, Granville, Wake, and Durham Counties, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Phillips, C. M., Witanachchi, C. D., Ward, A. M., Farris, P. F., Stoddard, E. F., Blake, D. E., and Clark, T. W., 2002, Geologic map of the Franklinton 7.5-minute Quadrangle, Franklin and Wake Counties, North Carolina:  NCGS Open File Report, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

Blake, D. E. and Clark, T., 2000, Geologic map of the Cary 7.5-minute Quadrangle, Wake County, North Carolina:  North Carolina DENR Geological Survey Open File Report 2000-2, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project

 

Blake, D. E. and Butler, J. R., 1999, Geologic map of the Fuquay-Varina 7.5-minute Quadrangle, Wake and Harnett Counties, North Carolina:  North Carolina DENR Geological Survey Open File Report 1999-2, 1:24,000-scale map, U.S. Geological Survey STATEMAP Project.

 

 

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