Puduhuapi Formation

Puduhuapi Formation
Stratigraphic range: Miocene
TypeGeological formation
Thicknessc. 35 m (115 ft)
Lithology
PrimarySandstone, siltstone, conglomerate
Location
Coordinates42°19′08.1″S 73°14′10.3″W / 42.318917°S 73.236194°W / -42.318917; -73.236194
RegionLos Lagos Region
Country Chile
ExtentPuduhuapi Island
Type section
Named forPuduhuapi Island
Named byLevi et al.
Year defined1966
Puduhuapi Formation is located in Chile
Puduhuapi Formation
Puduhuapi Formation (Chile)

The Puduhuapi Formation is a sedimentary formation whose only known outcrops are on Puduhuapi Island of the Chiloé Archipelago, west of Chaitén in western Patagonia, Chile. Lithologies vary from sandstone and siltstone to conglomerate. The sediment that now forms the rock deposited during the Miocene no earlier than 23 million years ago.[1]

  1. ^ Encinas, Alfonso; Folguera, Andrés; Bechis, Florencia; Finger, Kenneth L.; Zambrano, Patricio; Pérez, Felipe; Benarbé, Pablo; Tapia, Francisca; Riffo, Ricardo; Buatois, Luis; Orts, Darío; Nielsen, Sven N.; Valencia, Victor V.; Cituño, José; Oliveros, Verónica; De Girolamo Del Mauro, Lizet; Ramos, Víctor A. (2018). "The Late Oligocene–Early Miocene Marine Transgression of Patagonia". In Folguera, A.; Contreras Reyes, E.; Heredia, N.; Encinas, A.; B. Iannelli, S.; Oliveros, V.; M. Dávila, F.; Collo, G.; Giambiagi, L.; Maksymowicz, A.; Iglesia Llanos, M.P.; Turienzo, M.; Naipauer, M.; Orts, D.; D. Litvak, V.; Alvarez, O.; Arriagada, C. (eds.). The Evolution of the Chilean-Argentinean Andes. Springer. pp. 443–474. ISBN 978-3-319-67774-3.