Black Hills Geology
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The south side of Devils Tower. Can you find the climbers? How about the birds?
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Stats
- Favorites
- 8
- Comments
- 1
- Snapshots
- 10
- Total Views
- 9920
- Explore Score
- 110
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Looking up from the base of the talus slope along the Presidents Trail one gets a close up look at the four presidents against an azure blue sky.
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Stats
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- 5
- Comments
- 2
- Snapshots
- 8
- Total Views
- 13267
- Explore Score
- 43
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The iconic feature in NE Wyoming in all its glory on a sunny July morning. If you look closely, you might find a few climbers.
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Stats
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- 3
- Comments
- 1
- Snapshots
- 8
- Total Views
- 1566
- Explore Score
- 25
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Carved from the Precambrian Harney Peak Granite by Gutzon Borglum and a host of stonemasons, the Mount Rushmore memorial portrays the likenesses of Presidents George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln.
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Stats
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- 4
- Comments
- 1
- Snapshots
- 7
- Total Views
- 8262
- Explore Score
- 12
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The open pit at the top of the Homestake Gold Mine in Lead, South Dakota beautifully exposes a series of Tertiary rhyolite dikes that were the focus of the hydrothermal system that formed this rich gold deposit. The open pit is no longer active, but it is a great opportunity for geologists to get a glimpse into the up...
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Stats
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- 5
- Comments
- 0
- Snapshots
- 10
- Total Views
- 8712
- Explore Score
- 1
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Stats
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- 0
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- Snapshots
- 4
- Total Views
- 3067
- Explore Score
- 1
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This is a view of the mine dump of the Dan Patch Pegmatite Mine, just west of Keystone, South Dakota. The light colored pegmatite rock is composed primarily of large crystals of quartz, albite feldspar, and muscovite, with lesser amounts of tourmaline and beryl. The pegmatite is an igneous rock that was intrusive int...
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Stats
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- 2
- Comments
- 1
- Snapshots
- 2
- Total Views
- 2542
- Explore Score
- 1
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Climbers arise and prepare to break camp at the Devils Tower National Monument Campground.
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- 0
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- 3
- Total Views
- 2299
- Explore Score
- 1
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Devils Tower as viewed from the National Monument group campsite. The cottonwoods were just beginning to turn yellow for fall.
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- 0
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- 1
- Total Views
- 2195
- Explore Score
- 1
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Early morning view of the west side of Devils Tower.
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Stats
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- 0
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- Snapshots
- 2
- Total Views
- 2028
- Explore Score
- 1
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