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The reserve protects and preserves the rare Northern Basalt Flow Vernal Pools, a vernal pools habitat type that supports sensitive plants and animals that are either locally endemic, or endemic to California. The Northern Basalt Flow Vernal Pools habitat is found in only four localities within the state.
Location: Pitkin and Eagle counties: Coordinates: 1]: Type: reservoir: Part of: Colorado River Basin: Primary inflows: Fryingpan River: Primary outflows: Fryingpan River: Managing agency: United States Bureau of Reclamation: Built: 1968: Surface area: 997 acres (403 ha) [2]: Water volume: 101,280 acre⋅ft (124,930,000 m 3) [2]: Surface elevation: 2,369 m (7,772 ft) [1]: Ruedi Reservoir is a ...
Three prominent, columnar jointed, cliff-forming lava flows can be seen on North Table Mountain, one exposed part way up the northwest slope, and two that form its cap. The Ralston Dike, a body of intrusive monzonite located about 2 miles (3.2 km) to the northwest, probably represents the volcanic vent from which the flows erupted. [ 6 ]
Flat Top Wilderness location is in red. Flat Tops Wilderness Area is the second largest U.S. Wilderness Area in Colorado.It is 235,214 acres (951.88 km 2), with 38,870 acres (157.3 km 2) in Routt National Forest and 196,344 acres (794.58 km 2) in White River National Forest.
Basalt columns seen on Porto Santo Island, Portugal. Columnar jointing of volcanic rocks exists in many places on Earth. Perhaps the most famous basalt lava flow in the world is the Giant's Causeway in Northern Ireland, in which the vertical joints form polygonal columns and give the impression of having been artificially constructed.
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An erosion surface on the Vishnu Basement Rocks is covered by sedimentary rocks and basalt flows, and these rocks formed in the interval from about 1250 to 750 million years ago: in turn, they were uplifted and split into a range of fault-block mountains.
Rabbit Ears Pass (el. 9426 ft, 2873 m) is a high mountain pass in the Rocky Mountains of northern Colorado in the United States, where U.S. Route 40 crosses the Continental Divide. North of the summit is Rabbit Ears Peak which has the shape of rabbit ears, which displays two large columns of basalt rock formations from the second volcanic episode.