| Abstract: | Precise gravity measurements indicate that earth fissures or tension cracks caused by ground-water withdrawal within a 10km2 area SE of Casa Grande are associated with relief on the buried interface between the alluvial aquifer and underlying bedrock. These relations suggest that the fissures are forming in response to localized differential compaction caused by localized variations of aquifer-system thickness. -from Authors |
| Genre: | Article |
| ProdID: | 70011525 |
| Citation Author: | Jachens, R. C.; Holzer, T. L. |
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| Citation End Page: | 1012 |
| Citation Issue: | 10 |
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| Citation Language: | English |
| Citation Larger Work Title: | Geological Society of America Bulletin |
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| Citation Number Of Pages: | 15 |
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| Citation Search Results Text: | Differential compaction mechanism for earth fissures near Casa Grande, Arizona.; 1982; Article; Journal; Geological Society of America Bulletin; Jachens, R. C.; Holzer, T. L. |
| Citation Start Page: | 998 |
| Citation Volume: | 93 |
| Citation Year: | 1982 |
| Type: | citation/reference |
| Text: | Differential compaction mechanism for earth fissures near Casa Grande, Arizona.; 1982; Article; Journal; Geological Society of America Bulletin; Jachens, R. C.; Holzer, T. L. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Fri, 1 Jan 1982 00:00 -0600 |
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