Rosablanca Formation
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The Rosablanca Formation is a geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes and the Middle Magdalena Basin. The formation consists of grey limestones, dol
Blakey Pleist COL
Blakey 020Ma COL
Blakey 035Ma COL
Blakey 050Ma COL
Macanal Formation
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The Macanal Formation or Macanal Shale is a fossiliferous geological formation of the Altiplano Cundiboyacense and Tenza Valley in the Eastern Ranges of the Colombian Andes. The predominantly organic
Rosablanca Formation
…and is overlain by the Ritoque Formation. The age has been estimated to be Valanginian. Stratigraphically, the formation is time equivalent with the Macanal Formation. Fossils of the decapod crustacean Diaulax rosablanca have been found in and named after the Rosablanca Formation. In 2019, fossils of brachiopod…
Outcrop of the Macanal Formation along the road between Bogotá and Villavicencio
Fractured sample of the Macanal Formation
The Macanal Formation is found bordering the Guavio Reservoir