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20 lip 2021 · Presented by Joe Licciardi UNH The landscape of Jackson Hole and Yellowstone are the result of over 2.5 billion years of geologic events. But those of the past 2.5 million years have worked to...
Dr. Kenneth Pierce studied the geology and geomorphology of the greater Yellowstone area for nearly his entire career with the U.S. Geological Survey.
The Pleistocene Era is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciat...
This ice sheet was the primary feature of the Pleistocene epoch in North America, commonly referred to as the ice age. During the Pre-Illinoian Stage, the Laurentide Ice Sheet extended as far south as the Missouri and Ohio River valleys.
14 wrz 2018 · The Mississippi–Missouri drainage basin spans latitudinal gradients (~49°N to 29°N; Fig. 1) and was affected by high magnitude Pleistocene climate change that resulted in glacial diversion of...
Laurentide Ice Sheet, principal glacial cover of North America during the Pleistocene Epoch (about 2,600,000 to 11,700 years ago). At its maximum extent it spread as far south as latitude 37° N and covered an area of more than 13,000,000 square km (5,000,000 square miles).
The Quaternary glaciation, also known as the Pleistocene glaciation, is an alternating series of glacial and interglacial periods during the Quaternary period that began 2.58 Ma (million years ago) and is ongoing.
