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The Northern Basalt Flow Vernal Pools habitat is found in only four localities within the state. Time and erosion have split the volcanic plateau of Table Mountain into two sections, north and south. There are smaller ravines as well that support various types of trees and woodlands.
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 ]
This is a list of the largest reservoirs in the state of Colorado. All thirty-nine reservoirs that contain greater than 40,000 acre-feet (49 million cubic meters ) are included in the list. Most of the larger reservoirs in the state are owned by the United States Bureau of Reclamation and, to a lesser extent, the Corps of Engineers .
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.
The mesa is topped by a hard layer of volcanic basalt. This layer formed between about 10.9 and 9.6 million years ago, by the eruption of at least 27 separate lava flows from a vent in the Crag Crest area and probably other vents. This built up a maximum total thickness of more than 93 meters (310 feet) of basalt. [2]
Horsetooth Reservoir (often known locally as Horsetooth) is a large reservoir in southern Larimer County, Colorado, in the foothills just west of the city of Fort Collins, Colorado. The reservoir runs north-south for approximately 6.5 miles (10 km) and is approximately one-half mile (1 km) wide.
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 ...
The location of the State of Colorado in the United States of America. The Gunnison River in the Black Canyon. This is a list of drainage basins in the U.S. State of Colorado. Colorado encompasses the headwaters of several important rivers.