| Abstract: | Location of vertical or near-vertical bedrock fractures observed throughout the study area in Indiana are shown on a lineament and fracture trace map. Wells drilled on these mapped features may yield adequate supplies for domestic use. Large yields may be available in southwest Jennings County. Two nearly horizontal sequences of middle-Paleozic limestone and dolomite, separated by a thin discontinuous shale unit, constitute the prinicpal aquifer. Many wells in this aquifer fail to supply household needs, whereas others supply several households. All wells in the aquifer have been located for the owners ‘ convenience and are randomly located in relation to lineaments and fracture traces. Pleistocene drift, averaging 25-30 feet in thickness, did not restict lineament nad fracture-trace mapping. Well placement is important in this area, as fractures are a principal source of water to wells. In fractured bedrock areas, the most productive wells are at mapped lineament or fracture-trace intersections and at the lowest local altitude. Use of the lineament and fracture-trace map will not guarantee a sufficient ground-water supply, but it will minimize the chance of drilling an inadequate well. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 9221 |
| Citation Author: | Greeman, T. K. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 20 p., 1 over-size sheet, ill., maps ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 81-1120 |
| Citation Search Results Text: | Lineaments and fracture traces, Jennings County and Jefferson Proving Ground, Indiana; 1981; OFR; 81-1120; Greeman, T. K. |
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| Citation Year: | 1981 |
| Type: | citation/reference |
| Text: | Lineaments and fracture traces, Jennings County and Jefferson Proving Ground, Indiana; 1981; OFR; 81-1120; Greeman, T. K. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/of/1981/1120/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/of/1981/1120/report.pdf |
| URL (PLATE): | http://pubs.usgs.gov/of/1981/1120/plate-1.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
