| Abstract: | Several kinds of joints, fissures, and voids are present in densely welded rhyolite ash-flow tuff at Teton damsite. Older fissures and voids probably were formed in the ash-flow sheet during secondary flowage, which probably was caused by differential compaction or settling over irregular topography. The younger, more abundant fissures are mostly steep cooling joints that probably have been opened farther by horizontal tectonic extension and gravitational creep, perhaps aided by lateral stress relief. |
| Genre: | USGS Numbered Series |
| ProdID: | 10753 |
| Citation Author: | Prostka, Harold J. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 14 leaves :ill. ;27 cm.; (15 p. - PGS) |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 77-211 |
| Citation Search Results Text: | Joints, fissures, and voids in rhyolite welded ash-flow tuff at Teton damsite, Idaho; 1977; OFR; 77-211; Prostka, Harold J. |
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| Citation Year: | 1977 |
| Type: | citation/reference |
| Text: | Joints, fissures, and voids in rhyolite welded ash-flow tuff at Teton damsite, Idaho; 1977; OFR; 77-211; Prostka, Harold J. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/of/1977/0211/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/of/1977/0211/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
