Faulted sandstone (South Dakota, USA) 5 : 無料・フリー素材/写真
Faulted sandstone (South Dakota, USA) 5 / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
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| 説明 | (public display, Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA)Faults are quite common in orogenic belts. Faults are defined as fractures in rocks along which differential displacement has occurred. Dip-slip faults are those involving movement of rocks in non-horizontal directions. Strike-slip faults involve movement of rocks in horizontal directions. The two common types of dip-slip faults are normal faults and reverse faults. Normal faults form by extensional stress. Reverse faults form by compressional stress. |
| 撮影日 | 2011-01-30 14:27:56 |
| 撮影者 | James St. John |
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