La Dina Fault

La Dina Fault is a regional dextral oblique thrust fault in the departments of Huila and Tolima in southwestern Colombia. The fault has a total length of and runs along an average northeast to southwest strike of 032.9 ± 13 in the Upper Magdalena Valley and the Central Ranges of the Colombian Andes.

Description

La Dina Fault lies east of La Plata Fault in southwestern Colombia. The fault displaces Jurassic, Cretaceous, and Tertiary sedimentary rocks, which are common in the Upper Magdalena Valley. Local names assigned to the southern extension of this fault are from north to south: Betania, Pital-Agredo and Magdalena. It is also called the El Agrado-Betania Fault in Huila, where it underlies the Betania Reservoir. The fault is marked by well-developed trace, abrupt slope changes, saddles, and small scarps.

Maps

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