The upper falls in Whiteoak Canyon at the Catoctin Formation. Shenandoah National Park, Virginia. No date.
Summary
Shenandoah National Park, Virginia. The upper falls in Whiteoak Canyon is one of the many waterfalls formed where streams cross the lava flow of the Catoctin Formation. Generally falls occur where streams cross massive greenstone in the middle of the flow. Steps between falls occur where streams cross sheared breccia zones between flows. Figure 6, U.S. Geological Survey Bulletin 1265.
Summary
Shenandoah National Park, Virginia. The upper falls in Whiteoak Canyon is one of the many waterfalls formed where streams cross the lava flow of the Catoctin Formation. Generally falls occur where streams cross massive greenstone in the middle of the flow. Steps between falls occur where streams cross sheared breccia zones between flows. Figure 6, U.S. Geological Survey Bulletin 1265.
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