Concept information
Terme préférentiel
Bull Lake glaciation
Définition
- The Bull Lake glaciation is the name of a glacial period in North America that is part of the Quaternary Ice Age. The Bull Lake glaciation began about 200,000 years ago and ended about 130,000 years ago. The Bull Lake glaciation was a local glaciation. It did not cover the entire North American continent but rather just the eastern slopes of the southern Rocky Mountains. Generally speaking, it extended from northwestern Montana south to the San Juan Mountains in Colorado. The Bull Lake glaciation has three periods—Early, Middle and Late—punctuated by periods of relative warmth (during which glaciers retreated). The Bull Lake Glaciation was followed by a warm interglacial period that lasted about 60,000 years. The Pinedale Glaciation, another local glacial period, occurred after this warm period. (Adapted from: https://en.wikipedia.org/wiki/Bull_Lake_glaciation)
Concept générique
Traductions
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français
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glaciation de Bull Lake
URI
http://data.loterre.fr/ark:/67375/QX8-N7Q4SXGK-J
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