The Une Formation ( Spanish : Formación Une , Kiu) is a geological formation of the Altiplano Cundiboyacense , Eastern Ranges of the Colombian Andes . The predominantly sandstone formation dates to the Middle Cretaceous period; Albian to Cenomanian epochs and has a maximum thickness of 1,100 metres (3,600 ft).
3-742: The formation was defined in 1957 by Hubach after Une , Cundinamarca . The Une Formation has a maximum thickness of 1,100 metres (3,600 ft) and is characterised by a sequence of sandstones . Fossils of Heminautilus etheringtoni have been found in the Une Formation. The Une Formation, part of the Villeta Group , overlies the Fómeque Formation and is overlain by the Chipaque Formation . The age has been estimated to be Albian - Cenomanian . Stratigraphically,
6-546: Is located at an altitude of 2,376 metres (7,795 ft) at a distance of 43 kilometres (27 mi) from the capital Bogotá . The municipality borders Chipaque in the north, Cáqueza and Fosca in the east, Fosca and Gutiérrez in the south, and Bogotá in the west. The name Une is derived from Chibcha and means "Drop it" or "mud". Une is situated in the Eastern Ranges of the Colombian Andes . In
9-612: The formation is time equivalent with the Simijaca , Aguardiente , Caballos and Pacho Formations . The formation has been deposited in a near shore deltaic environment . The Une Formation is apart from its type locality , found on the Sumapaz Páramo . Une Une is a municipality and town of Colombia in the Eastern Province , part of the department of Cundinamarca . The urban centre
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