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La Garita Caldera is a large caldera and extinct supervolcano in the San Juan volcanic field in the San Juan Mountains around the town of Creede in southwestern Colorado, United States. [1] It is west of La Garita, Colorado .
One of the largest of these volcanoes was the La Garita Caldera, which is located on the western extent of the La Garita Mountains. It was active 27.8 million years ago, and within this caldera, later eruptions (27.3 million years ago) produced the Bachelor Caldera.
The Wheeler Geologic Area is a highly eroded outcropping of layers of volcanic ash, located in the San Juan Mountains in southern Colorado, United States. [1] It is about 10 miles east north-east of Creede. The ash is the result of eruptions from the La Garita Caldera approximately 25 million years ago. [2]
La Garita Caldera: 4,274: 14,022 26.3 Ma Never Summer Mountains ... Pond Mountain Volcanic Center: 1517.904: 4980 760 million years ago [25] ...
The eruption of the La Garita Caldera shaped the San Juan Mountains by completely obliterating the volcanoes that once stood in the area. [1] Tourism. Tourism is a major part of the regional economy, with the narrow gauge railway between Durango and Silverton being an attraction mostly in the summer and fall.
The La Garita Wilderness is a U.S. Wilderness Area located in the La Garita Mountains of southern Colorado. The 129,626-acre (524.58 km 2 ) wilderness established in 1964 in Gunnison and Rio Grande National Forests includes segments of the Colorado Trail and the Continental Divide Trail .
La Garita Caldera (100 km × 35 km (62 mi × 22 mi)), Wheeler Geologic Area, San Juan volcanic field, Colorado; VEI 8; more than 5,000 km 3 (1,200 cu mi) of Fish Canyon Tuff was blasted out in a major single eruption about 27.8 Ma.
This causes enormous lava flows, accounting for 80% of Venus' surface area. Many of the mountains are large shield volcanoes that range in size from 150–400 km (95–250 mi) in diameter and 2–4 km (1.2–2.5 mi) high. More than 80 of these large shield volcanoes have summit calderas averaging 60 km (37 mi) across. [39]