In a message dated 7/22/04 4:47:56 AM, [EMAIL PROTECTED] writes:
The Ice Age was about 100,000 years ago, the very
>>The Wisconsinan stage, the latest series of glacial advances and retreats began possibly 70,000 years ago and ended only 10,000 years ago. In fact, we can't even be certain that we are not in fact still in the Ice Age and merely enjoying a warm period between two glacial advances.<<
http://www2.nature.nps.gov/geology/parks/icag/
Each year we see the northern United States altered by the cycle of the seasons, but this has not always been so. During a recent geologic period this land did not undergo seasonal changes. Great areas lay under thick layers of ice. For more than a million years, in at least four major periods of glacial advances, ice covered much of Canada and the northern United States. These four glacial stages, Nebraskan, Kansan, Illinoian, and Wisconsinan, are named for their most southerly advances.
The Wisconsinan stage covered much of the northern United States from the Atlantic coast to the Rocky Mountains as recently as 12,000 years ago. Nowhere is the evidence of the glaciers better preserved than across Wisconsin. As you drive around the State you can see many lakes and ponds, forested hills and ridges, and gently rolling farmlands that remind us of the glacier's visit. The Ice Age National Scientific Reserve was established in 1971 to preserve select glacial landforms and landscapes. The Reserve, part of the National Park System, consists of nine units administered by the Wisconsin Department of Natural Resources.
In southeastern Wisconsin, certain distinctively shaped hills and ridges occur repeatedly and in patterns that rule out the possibility of random distribution. These recurring landforms are mementos of the Wisconsinan glaciation, the most recent major episode in Earth's geological history. Because each landform was shaped by the ice sheet under a special set of conditions, it is fairly easy for observers of glacial geology to recognize them. And with the help of this information, you should be able to recognize them too. Besides that, you will see much of Wisconsin's great scenic beauty in these interesting glacial landforms. The great sequence of events that did so much to shape the northern half of North America and Europe spanned perhaps 1.5 million years. The Wisconsinan stage, the latest series of glacial advances and retreats began possibly 70,000 years ago and ended only 10,000 years ago. In fact, we can't even be certain that we are not in fact still in the Ice Age and merely enjoying a warm period between two glacial advances. www.ctrl.org DECLARATION & DISCLAIMER ========== CTRL is a discussion & informational exchange list. Proselytizing propagandic screeds are unwelcomed. Substance—not soap-boxing—please! These are sordid matters and 'conspiracy theory'—with its many half-truths, mis- directions and outright frauds—is used politically by different groups with major and minor effects spread throughout the spectrum of time and thought. That being said, CTRLgives no endorsement to the validity of posts, and always suggests to readers; be wary of what you read. CTRL gives no credence to Holocaust denial and nazi's need not apply.
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