El Tambor Fault

The El Tambor Fault (Spanish: Falla El Tambor) is an inactive dextral oblique thrust fault in the departments of Cauca and Valle del Cauca in Colombia. The fault has a total length of 117.5 kilometres (73.0 mi) and runs along an average northeast to southwest strike of 026.1 ± 09 to the west of the Western Ranges of the Colombian Andes.

El Tambor Fault
Falla El Tambor
EtymologyCerro El Tambor
Country Colombia
RegionPacific/Chocó
StateCauca, Valle del Cauca
Characteristics
RangeWestern Ranges, Andes
Part ofAndean oblique faults
Length117.5 km (73.0 mi)
Strike026.1 ± 09
DipEast
Dip angleHigh
Displacement<0.2 mm (0.0079 in)/yr
Tectonics
PlateNorth Andean
StatusInactive
TypeOblique thrust fault
MovementDextral reverse
AgeQuaternary
OrogenyAndean

Etymology

The fault is named after Cerro El Tambor, Timbiquí, Cauca.[1][2]

Description

The El Tambor Fault borders the western slope of the Western Ranges of the Colombian Andes, west of the Farallones de Cali.[3] Through most of its trace, the fault places Cretaceous volcanic and sedimentary rocks on the east, against Neogene rocks on the west, which commonly crops out across most of the plains of the Pacific Coast. The fault displays strong linear topographic features, tectonic control of drainage, and deflected stream channels and was active in the Late Pleistocene or Early Holocene.[4]

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See also

References
  1. Mapa Geológico de Cauca, 1979
  2. Paris et al., 2000a, p.53
  3. Paris et al., 2000b
  4. Paris et al., 2000a, p.54

Bibliography

Maps
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