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Details for article 2 of 6 found articles
| Title: |
Earthquake fault rock indicating a coupled lubrication mechanism |
| Author: |
S. Okamoto G. Kimura S. Takizawa H. Yamaguchi |
| Appeared in: |
eEarth discussions |
| Paging: | Volume 1 (2006) nr. 2 pages 135-149 |
| Year: |
2006 |
| Contents: |
A pseudotachylyte bounded by a carbonate-matrix implosion breccia was found at a fossilized out-of-sequence thrust in the Shimanto accretionary complex, Japan. This occurrence resulted from the following events: first implosion of host rock due to interstitial fluid pressure increase and asymmetric fracturing; second, Ca-Fe-Mg carbonate precipitation; and third, frictional melting. The rock-record suggests that these events took place in a single seismogenic slip event. Resulting from abrupt drop in fluid pressure after implosion, hydro-fracturing and fluid escape, recovered high effective friction promoted melting during fault movement. Coexistence of fluid implosion breccia and pseudotachylyte has never been reported from continental pseudotachylyte, but might be characteristic from hydrous seismogenic faults in subduction zone |
| Publisher: |
Copernicus GmbH (provided by DOAJ) |
| Source file: |
Elektronische Wetenschappelijke Tijdschriften |
Details for article 2 of 6 found articles
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