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Last modified
7/17/2007 2:27:03 PM
Creation date
8/9/2005 12:52:04 PM
Metadata
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Template:
Planning Files
Planning Files - Planning File #
3434
Planning Files - Type
Comprehensive Plan Amendment
Project Name
2002/3 Comprehensive Plan
Applicant
City of Roseville
Status
Approved
Additional Information
2002/3 Comprehensive Plan
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<br />SECTION 2 - THE LAND AND ITS PEOPLE <br /> <br />THE LAND AND ITS PHYSICAL CONDITIONS <br /> <br />The Roseville that we know today was shaped by ancient geology and climate, the power of <br />glaciers, flowing water, plant and animal migrations, and by people. Native peoples used the <br />area for thousands of years, and more recently European settlers arrived in the mid-Nineteenth <br />century. <br /> <br />A. Landscape History and Setting <br />(Source: City of Roseville Natural Resource Management Plan - June 2002) <br /> <br />Pre-Settlement History and Major Landscape Features <br /> <br />Ancient features The City of Roseville is located in within 10 miles of downtown <br />Minneapolis and St. Paul. The history of the city's landscape begins around 500 million <br />years ago, when much of Minnesota was covered by water, and the sedimentary rock <br />layers that lie under the city were formed. <br /> <br />The last series of glacial advances into the Twin Cities area started about 2 million years <br />ago and is known as the Quaternary Period. Prior to this, the landscape in the Roseville <br />area was much different from the way it is today. Then deep valleys with steep sides <br />were cut into the bedrock. Broad, rolling plateaus separated these deep valleys. Deposits <br />left by the series of glacial advances in the last 2 million years have buried this <br />landscape. <br /> <br />Glacial landscapes. The topography of Roseville was shaped by the last period of <br />glaciation, which came to a close about 10,000 years ago, and was called the "Wisconsin <br />Stage". The glaciers sculpted the landscape, and left behind a variety of deposits, <br />referred to as "drift". <br /> <br />The glacial deposits at the surface in Roseville are largely associated with the <br />Grantsburg Sublobe of the Des Moines lobe glacier, although there are some isolated <br />deposits of Superior Lobe origin. <br /> <br />As the name suggests, the Superior Lobe originated near the area that is now known as <br />Lake Superior. This ice advance occurred about 20,000 years ago. Grantsburg Sublobe <br />deposits made later largely cover the Superior Lobe sediments. <br /> <br />During the most recent ice advance, a major ice sheet moved from the northwest, <br />through western and central Minnesota into central Iowa. While this occurred, the <br />Grantsburg sublobe moved to the northeast through the Twin Cities approximately <br />16,000 to 12,000 years ago. As ice sheets to the west and northwest began to stagnate and <br /> <br />Roseville Comprehensive Plan - 2002 Update <br /> <br />The Land and its People - Page 1 of 30 <br />
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