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
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
Blakey Pleist COL
Las Juntas Formation
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The Las Juntas Formation or Las Juntas Sandstone is a geological formation of the Altiplano Cundiboyacense and Tenza Valley, Eastern Ranges of the Colombian Andes. The Las Juntas Formation is found in
Blakey 020Ma COL
Blakey 035Ma COL
Blakey 050Ma COL