Image:Juan de fuca ridge-south-map-usgs.png
维基百科，自由的百科全书
[edit] Summary
| Description |
Map of Juan de Fuca Ridge - Gorda Ridge - Axial Seamount - Blanco facture zone -- showing features of Pacific/Juan de Fuca/North American subduction system relative to Western United States. Open blue arrows, ridge-spreading directions; solid blue arrow, convergence direction. -- Modified from: Swanson, et al., (1989) IGC Field Trip T106: Cenozoic Volcanism in the Cascade Range and Columbia Plateau, Southern Washington and Northernmost Oregon, p.2 |
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| Source | |
| Date |
2 January 2003 |
| Author |
Lyn Topinka for USGS |
| Permission (Reusing this image) |
Public Domain |
[edit] Licensing
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This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy |
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| 日期／时间 | 维度 | 用户 | 注解 | |
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| 当前 | 2007年1月18日 (四) 22:21 | 424×520 (12 KB) | Bejnar | ({{Information |Description=Map of Juan de Fuca Ridge - Gorda Ridge - Axial Seamount - Blanco facture zone -- showing features of Pacific/Juan de Fuca/North American subduction system relative to Western United States. Open blue arrows, ridge-spreading dir) |
