Barzalosa Formation
Videos
The Barzalosa Formation is a fossiliferous geological formation of the Upper Magdalena Valley and the bounding foothills of the Central Ranges and Eastern Ranges of the Colombian Andes. The formation
Paleogeography of Northern South America 35 Ma, by Ron Blakey
Blakey Pleist COL
Blakey 020Ma COL
Oliní Group
Videos
The Oliní Group is a fossiliferous geological group of the VMM, VSM and the eastern flanks of the Central and western flanks of the Eastern Ranges of the Colombian Andes. The regional group stretches
Barzalosa Formation
…and siltstones. In parts, the formation contains shale beds and gypsum. The approximately 360 metres (1,180 ft) thick Barzalosa Formation overlies the Olini Group and the Seca Formation in the west and is overlain by the Honda Group. In the east towards Fusagasugá, the formation overlies the La Tabla Formation…
Paleogeography of Northern South America 90 Ma, by Ron Blakey
Restoration of Eonatator coellensis