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Temblor Range

Temblor Range
TemblorMountainsSpringtime.jpg
Temblor Mountains in spring; view from near State Route 58 summit
Highest point
Elevation 1,176 m (3,858 ft)
Geography
Temblor Range is located in California
Temblor Range
Temblor Range
location of Temblor Range in California
Country United States
State California
District San Luis Obispo County & Kern County
Range coordinates 35°19′25.877″N 119°47′48.469″W / 35.32385472°N 119.79679694°W / 35.32385472; -119.79679694Coordinates: 35°19′25.877″N 119°47′48.469″W / 35.32385472°N 119.79679694°W / 35.32385472; -119.79679694
Parent range California Coast Ranges
Topo map USGS McKittrick Summit
Biome California interior chaparral and woodlands

The Temblor Range is a mountain range within the California Coast Ranges, at the southwestern extremity of the San Joaquin Valley in California in the United States. It runs in a northwest-southeasterly direction along the borders of Kern County and San Luis Obispo County. The name of the range is from the Spanish word for "earthquake" (terremoto). The San Andreas Fault Zone runs parallel to the range at the base of its western slope, on the eastern side of the Carrizo Plain, while the Antelope Plain, location of the enormous Midway Sunset, South Belridge, and Cymric oil fields, lies to the northeast.

Peaks within the Temblor Range average about 3500 ft (1,100 m) above sea level. The highest point is McKittrick Summit at 4,331 ft (1,320 m), located in the center of the range about 35 mi (56 km) west of Bakersfield. The summit on State Route 58, which crosses the range, is at 3,750 feet (1,140 m) above sea level.

The Temblor Range and surrounding region contains extensive outcrops of the Monterey Formation (Miocene age, about 20 to 9 million years). Rocks from the Monterey formation consist mostly of silicate shales and porcellanite (silica derived from fossil plankton in an intermediate to deep-water marine setting). Fossils and sediments from the Monterey Formation show that the Carrizo Plain region was a marine basin with shallow to intermediate depths (marine waters covered the southern San Joaquin Valley region). Marine sediments younger than about 9 million years are not preserved in the Carrizo Plain National Monument area, but they occur throughout the Kettleman Hills region (about 60 miles (97 km) north of the park). The Pliocene-age Etchegoin Formation contains marine fossils to about 4 million years old. Fossils of the Etchegoin Formation are supporting evidence that the Coast Ranges and the Temblor Range are young, having been uplifted mostly during the Epoch (or Quaternary Period) in the past several million years. Much of that ongoing uplift is due to tectonics associated with the San Andreas Fault and other fault systems in the region.


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