In Dreams Of Autumn
Photograph - Photography
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Autumn at Petrifying Springs park in Kenosha county, Wisconsin, USA. The photo shows autumn in full color along Pikes's Creek, which flows through the park. Petrifying Spring Park comprises of approximately 350 acres of woodlands, flora, and river basin. It first opened April 1, 1928. The name was derived from a Calcareous formation that appears on the South Ravine. The ravines, basin, and winding Pike River are remnants of a geological period, the Pleistocene Epoch, which started one million years ago. A continental glacier formed by snow turning to ice and it moved southward from the Labrador-Hudson Bay Region until it covered North America as far as the Ohio and Misouri Rivers.
An explanation of the springs hydrology is given by G.F. Hanson, State Geologist, University of Wisconsin-Madison. He states, "The 'spring' that furnishes drinking water in the park is a drilled artesian well in the Niagara dolomite, but the spring on the hillside is not an artesian flow but a contact spring. It is caused by rainwater percolating downward to a relatively impervious layer and then emerging as a spring from the hillside. The petrified sticks, acorns, etc. that occur at such springs are not petrified in the sense that the organic matter is replaced with mineral matter. It is simply covered with lime. It has taken may years for the lime-laden water to form the moss-like stone which appears on the South Ravine, and can be seen along the hillside trail. It lies just under the leaf humus."
"Top Finisher" in "FAA Featured Photography Only" contest.
Mega Feature in "Wisconsin Flowers And Scenery" group.
March 14th, 2012
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