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7 unusual facts about Wisconsin glaciation


Columbia, Maine

Columbia is located in a region of massive granite intrusion that was glaciated in the Wisconsin age.

Farmington, New York

The land, at an average elevation of 600 feet above sea level, is compressed by the Wisconsin glaciation and slopes from an elevation of 700 feet at the southern border with the town of Canandaigua, to 500 feet at the north boundary with the town of Macedon.

Primrose, Rhode Island

The geography of Primrose was drastically changed by the Wisconsin glaciation between 70,000 and 10,000 years ago.

Teratornis

The species probably became extinct as the climatic shifts at the end of the last ice age led to widespread ecological alterations and prey scarcity, exacerbated by human hunting and increasing influence on habitat; generally, most large land animals disappeared and the altered precipitation patterns seriously affected populations of aquatic vertebrates.

Upper Mississippi River

Inasmuch as the Wisconsin glaciation formed lobes that met (and blocked) where the Mississippi now flows, and given that huge amounts of glacial meltwater were flowing into the Driftless Area, and that there is no lakebed, it is assumed that there were instances of ice dams bursting.

Vauquelinia californica

For example, in the Late Wisconsin period, this species occurred at lower elevations within the Waterman Mountains in southern Arizona than currently found.

Wisconsin glaciation

Here in the Waterman Hills researchers found that Juniperus osteosperma and Pinus monophylla were early to mid-Holocene dominant trees, while Monardella arizonica has been a continuously present understory plant.



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