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The south side of Devils Tower. Can you find the climbers? How about the birds?
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- 8
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- 1
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- 10
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- 9928
- Explore Score
- 110
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Columnar jointing in Mundy Breccia (intruded by Red Bluff Granite) seen at this site.
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- 34
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- 39
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Volcaniclastic breccia from the May 18, 1980 eruption of Mount. St. Helens. Found approximately four miles northwest of Toutle, WA. To explore all of this sample's features, click here: gigapan.com/gigapans/121349 Sample collected and contributed by Lee Gonzalez.
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- 162
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- 33
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Reticulite, also known by the poetic name "thread lace scoria", is the "none more pumice" of glassy volcanic rocks. Like pumice, it is a volcanic glass. Unlike pumice, the gas bubbles in reticulite have all burst, leaving behind only the delicate interstitial mesh. Reticulite forms in particularly vigorous lava foun...
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- 593
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- 27
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Near the western margin of the Port Coldwell Alkali Complex, this roadcut exposes a beautiful example of an igneous intrusion breccia where blocks of early formed gabbro were frozen in the act of being engulfed by later, more felsic magmas of the complex.
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- 2
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- 623
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- 26
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Part of an exposure of weathered Mesozoic-aged pillow basalts on the west end of Kirby Cove in Marin County, CA.
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- 173
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- 25
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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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- 5
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- 10
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- 8715
- Explore Score
- 1
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Baboquivari Peak is a Jurassic granitoid and there are many related igneous dikes visible in this GigaPan. The peak is also sacred to the Tohono O?odham people. The Kitt Peak Observatory is also visible on the horizon.
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- 2
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- 3
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- 2219
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- 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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- 2195
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- 1
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This porphyritic hornblende dacite was collected at Black Butte, a dacite dome located beside Interstate 5 just west of Mount Shasta in the Cascade Range in northern California. Black Butte is the hill on the left side of Rich Gibson's GigaPan "Cinder cone and Mount Shasta (l6)" (www.gigapan.org/viewGigapan.php...
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- 3
- Total Views
- 1726
- Explore Score
- 1
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