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1. [Image] Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, Apr 1, 1977--Jun 30, 1977


	The objective of this research is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological, ...
	Citation Citation Citation Abstract Copy Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, Apr 1, 1977--Jun 30, 1977 Author: Costain, J.K. Year: 1977 The objective of this research is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological, geochemical, and geophysical data. Detailed study of the Winnsboro complex, South Carolina, is continuing as part of a broader project to provide insight into the behavior of uranium and thorium in syn- and postmetamorphic granitic plutons Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, Apr 1, 1977--Jun 30, 1977 Author: Costain, J.K. Year: 1977 The objective of this research is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological, geochemical, and geophysical data. Detailed study of the Winnsboro complex, South Carolina, is continuing as part of a broader project to provide insight into the behavior of uranium and thorium in syn- and postmetamorphic granitic plutons

2. [Image] Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, October 1--December 31, 1977


	Progress in the evaluation of low-temperature geothermal resources in the eastern United States utilizing geological, geochemical, and geophysical data is reported. Primary programmatic emphasis is now ...
	Citation Citation Citation Abstract Copy Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, October 1--December 31, 1977 Author: Costain, J.K. Year: 1978 Progress in the evaluation of low-temperature geothermal resources in the eastern United States utilizing geological, geochemical, and geophysical data is reported. Primary programmatic emphasis is now being placed on the confirmation of radiogenic resources beneath sediments of the Atlantic Coastal Plain. Collation of existing gravity and magnetic data available for the Atlantic Coastal Plain is complete, and modeling of selected negative gravity anomalies of the Cuffytown Creek (Edgefield) pluton, S.C., the Rolesville batholith, N.C., and the Petersburg granite, Va., is in progress. Maps showing the distribution of gravity stations for the states of Georgia, South Carolina, and North Carolina were prepared. A reconnaissance geologic map is being prepared of the Raleigh belt and Carolina slate belt rocks. The purpose of this study is to determine the relationship of the Rolesville batholith to the surrounding country rocks, and to provide a geologic base for the geophysical interpretation of Piedmont stratigraphy underlying Atlantic Coastal Plain sediments to the east Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, October 1--December 31, 1977 Author: Costain, J.K. Year: 1978 Progress in the evaluation of low-temperature geothermal resources in the eastern United States utilizing geological, geochemical, and geophysical data is reported. Primary programmatic emphasis is now being placed on the confirmation of radiogenic resources beneath sediments of the Atlantic Coastal Plain. Collation of existing gravity and magnetic data available for the Atlantic Coastal Plain is complete, and modeling of selected negative gravity anomalies of the Cuffytown Creek (Edgefield) pluton, S.C., the Rolesville batholith, N.C., and the Petersburg granite, Va., is in progress. Maps showing the distribution of gravity stations for the states of Georgia, South Carolina, and North Carolina were prepared. A reconnaissance geologic map is being prepared of the Raleigh belt and Carolina slate belt rocks. The purpose of this study is to determine the relationship of the Rolesville batholith to the surrounding country rocks, and to provide a geologic base for the geophysical interpretation of Piedmont stratigraphy underlying Atlantic Coastal Plain sediments to the east

3. [Image] Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, October 1, 1978-March 30, 1979


	The Geothermal Prograin at V.P.I. & S.U. has two goals. The immediate goal is the economic development of geothermal energy in the eastern U.S. A paper by Lambiase, Dashevsky, Costain, Gleason and McClung ...
	Citation Citation Citation Abstract Copy Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, October 1, 1978-March 30, 1979 Author: Costain, J.K. Year: 1979 The Geothermal Prograin at V.P.I. & S.U. has two goals. The immediate goal is the economic development of geothermal energy in the eastern U.S. A paper by Lambiase, Dashevsky, Costain, Gleason and McClung summarizes estimated and measured temperatures at the base of the Atlantic coastal plain in New Jersey, Delaware, Maryland, Virginia and North Carolina based on geothermal gradients measured in 66 holes. The gradients range from 16 to 50 C/km. Basement surface temperatures at several locations are estimated to be above an economically useful 40C; the highest is 91C. From this information, the most promising and best documented area for development of geothermal energy chosen by the authors is the Delmarva peninsula near Crisfield, MD. This is the location of the first deep geothermal test well on the East coast which is to be drilled within a month Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, October 1, 1978-March 30, 1979 Author: Costain, J.K. Year: 1979 The Geothermal Prograin at V.P.I. & S.U. has two goals. The immediate goal is the economic development of geothermal energy in the eastern U.S. A paper by Lambiase, Dashevsky, Costain, Gleason and McClung summarizes estimated and measured temperatures at the base of the Atlantic coastal plain in New Jersey, Delaware, Maryland, Virginia and North Carolina based on geothermal gradients measured in 66 holes. The gradients range from 16 to 50 C/km. Basement surface temperatures at several locations are estimated to be above an economically useful 40C; the highest is 91C. From this information, the most promising and best documented area for development of geothermal energy chosen by the authors is the Delmarva peninsula near Crisfield, MD. This is the location of the first deep geothermal test well on the East coast which is to be drilled within a month

4. [Image] Geological and Geophysical Study of the Origin of the Warm Springs in Bath County, Virginia. Final Report, June 1, 1975--April 30, 1976


	The results of heat flow determinations and a reconnaissance dipole electrical resistivity survey in Bath County are described. A geologic map was compiled based on published maps and supported by reconnaissance ...
	Citation Citation Citation Abstract Copy Title: Geological and Geophysical Study of the Origin of the Warm Springs in Bath County, Virginia. Final Report, June 1, 1975--April 30, 1976 Author: Costain, J.K. Year: 1976 The results of heat flow determinations and a reconnaissance dipole electrical resistivity survey in Bath County are described. A geologic map was compiled based on published maps and supported by reconnaissance geologic mapping in areas where published maps were not available. A regional bipole--dipole electrical resistivity survey was made in order to detect the presence of resistivity lows that might be associated with a geothermal system at depth. A single hole was drilled to a depth of approximately 300 m (approx. 1000 feet) to obtain a heat flow value that is representative of the area. The data were used to attempt to arrive at a model that unambiguously explains the origin of the thermal springs Title: Geological and Geophysical Study of the Origin of the Warm Springs in Bath County, Virginia. Final Report, June 1, 1975--April 30, 1976 Author: Costain, J.K. Year: 1976 The results of heat flow determinations and a reconnaissance dipole electrical resistivity survey in Bath County are described. A geologic map was compiled based on published maps and supported by reconnaissance geologic mapping in areas where published maps were not available. A regional bipole--dipole electrical resistivity survey was made in order to detect the presence of resistivity lows that might be associated with a geothermal system at depth. A single hole was drilled to a depth of approximately 300 m (approx. 1000 feet) to obtain a heat flow value that is representative of the area. The data were used to attempt to arrive at a model that unambiguously explains the origin of the thermal springs

5. [Image] Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, November 1, 1976-March 31, 1977


	The objective of this research is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological, ...
	Citation Citation Citation Abstract Copy Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, November 1, 1976-March 31, 1977 Author: Costain, J.K. Year: 1977 The objective of this research is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological, geochemical, and geophysical data. Detailed study of the Liberty Hill and Winnsboro plutons, South Carolina, is continuing in order to provide insight into the behavivr of uranium and thorium in unmetamorphosed granitic plutons during periods of crystallization, deuteric alteration and weathering Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, November 1, 1976-March 31, 1977 Author: Costain, J.K. Year: 1977 The objective of this research is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological, geochemical, and geophysical data. Detailed study of the Liberty Hill and Winnsboro plutons, South Carolina, is continuing in order to provide insight into the behavivr of uranium and thorium in unmetamorphosed granitic plutons during periods of crystallization, deuteric alteration and weathering

6. [Image] Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, July 1, 1977--September 30, 1977


	The objective of this program is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological,geochemical, ...
	Citation Citation Citation Abstract Copy Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, July 1, 1977--September 30, 1977 Author: Costain, J.K. Year: 1977 The objective of this program is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological,geochemical, and geophysical data. The near-term resource assessment for Region V places primary programmatic emphasis on the confirmation of radiogenic resources in the Atlantic Coastal Plain. Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States Progress Report, July 1, 1977--September 30, 1977 Author: Costain, J.K. Year: 1977 The objective of this program is to develop and apply targeting procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological,geochemical, and geophysical data. The near-term resource assessment for Region V places primary programmatic emphasis on the confirmation of radiogenic resources in the Atlantic Coastal Plain.

7. [Image] Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, May 1, 1976--October 31, 1976


	Progress is reported in the development of procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological geochemical, and ...
	Citation Citation Citation Abstract Copy Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, May 1, 1976--October 31, 1976 Author: Costain, J.K. Year: 1976 Progress is reported in the development of procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological geochemical, and geophysical data. An optimum site for geothermal development in the tectonically stable eastern United States will probably be associated with crustal igneous rocks containing relatively high concentrations of radiogenic heat-producing elements buried beneath an insulating blanket of sediments of low thermal conductivity. Evaluation of plutonic rocks exposed in the Piedmont will aid in the interpretation of gravity and magnetic data for the Atlantic Coastal Plain. Initial results of determination of heat generation from surface samples in South Caroline are encouraging, especially if granitic igneous rocks of similar heat generation can be found beneath sedimentary insulation. Continues logging of existing wells in Coastal Plain sediments supports earlier conclusion that these sediments do behave as efficient sedimentary insulators. Higher temperatures appear to be reached at shallower depths for wells drilled in Coastal Plain sediments in the vicinity of the Georgetown, South Carolina gravity law. Detailed structural mapping in the vicinity of the warm springs in northwestern Virginia has confirmed structural control of the warm springs, and has revealed the existence of kink bands. The kink bands could be related to the development of zones of vertical permeability which serve as conduits in sedimentary rocks for ascending hot water. Title: Evaluation and Targeting of Geothermal Energy Resources in the Southeastern United States. Progress Report, May 1, 1976--October 31, 1976 Author: Costain, J.K. Year: 1976 Progress is reported in the development of procedures for the evaluation of low-temperature radiogenically-derived geothermal resources in the eastern United States utilizing geological geochemical, and geophysical data. An optimum site for geothermal development in the tectonically stable eastern United States will probably be associated with crustal igneous rocks containing relatively high concentrations of radiogenic heat-producing elements buried beneath an insulating blanket of sediments of low thermal conductivity. Evaluation of plutonic rocks exposed in the Piedmont will aid in the interpretation of gravity and magnetic data for the Atlantic Coastal Plain. Initial results of determination of heat generation from surface samples in South Caroline are encouraging, especially if granitic igneous rocks of similar heat generation can be found beneath sedimentary insulation. Continues logging of existing wells in Coastal Plain sediments supports earlier conclusion that these sediments do behave as efficient sedimentary insulators. Higher temperatures appear to be reached at shallower depths for wells drilled in Coastal Plain sediments in the vicinity of the Georgetown, South Carolina gravity law. Detailed structural mapping in the vicinity of the warm springs in northwestern Virginia has confirmed structural control of the warm springs, and has revealed the existence of kink bands. The kink bands could be related to the development of zones of vertical permeability which serve as conduits in sedimentary rocks for ascending hot water.

8. [Image] Geological and Geophysical Study of the Origin of the Warm Springs in Bath County, Virginia. Final Report, June 1, 1975--April 30, 1976


	A study was made to determine the origin of the warm springs and to evaluate the geothermal resource potential of the area in the vicinity of the Warm Springs anticline in Bath and Alleghany Counties, ...
	Citation Citation Citation Abstract Copy Title: Geological and Geophysical Study of the Origin of the Warm Springs in Bath County, Virginia. Final Report, June 1, 1975--April 30, 1976 Author: Costain, J.K. Year: 1976 A study was made to determine the origin of the warm springs and to evaluate the geothermal resource potential of the area in the vicinity of the Warm Springs anticline in Bath and Alleghany Counties, Virginia. Phase 1 of the study was the compilation of a geologic map based on published maps and supported by reconnaissance geologic mapping in areas where published maps were not available. Phase II consisted of a regional bipole-dipole electric resistivity survey made in order to detect the presence of resistivity lows that might be associated with a geothermal system at depth. Phase III involved the drilling of a single hole to a depth of approximately 300 m to obtain a heat flow value that is representative of the area. The above data were used to arrive at a model that unambiguously explains the origin of thermal springs. It is concluded that the warm springs constitute a geothermal resource for low temperature application such as space heating (LBS) Title: Geological and Geophysical Study of the Origin of the Warm Springs in Bath County, Virginia. Final Report, June 1, 1975--April 30, 1976 Author: Costain, J.K. Year: 1976 A study was made to determine the origin of the warm springs and to evaluate the geothermal resource potential of the area in the vicinity of the Warm Springs anticline in Bath and Alleghany Counties, Virginia. Phase 1 of the study was the compilation of a geologic map based on published maps and supported by reconnaissance geologic mapping in areas where published maps were not available. Phase II consisted of a regional bipole-dipole electric resistivity survey made in order to detect the presence of resistivity lows that might be associated with a geothermal system at depth. Phase III involved the drilling of a single hole to a depth of approximately 300 m to obtain a heat flow value that is representative of the area. The above data were used to arrive at a model that unambiguously explains the origin of thermal springs. It is concluded that the warm springs constitute a geothermal resource for low temperature application such as space heating (LBS)