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Chalk is so common in Cretaceous marine beds that the Cretaceous Period was named for these deposits. The name Cretaceous was derived from Latin creta, meaning chalk. [10] Some deposits of chalk were formed after the Cretaceous. [11] The Chalk Group is a European stratigraphic unit deposited during the late Cretaceous Period.
Pottsgrove Township was formed on August 20, 1806, from portions of Douglass and New Hanover Townships. [3] Pottsgrove Township was divided into Lower Pottsgrove and Upper Pottsgrove Townships on December 2, 1889. [4] In 1899, the General Assembly passed a law grouping townships into two classes. [5]
Coaldale is a borough in Schuylkill County, Pennsylvania, United States.Initially settled in 1827, it was incorporated in 1906 from part of the former Rahn Township; it is named for the coal industry—wherein, it was one of the principal early mining centers.
When heating hard water on the stove, these gas bubbles form on the surface of the pan prior to boiling. Gas exsolution can also occur when the confining pressure is released such as when you take the top off a beer bottle or where subsurface water is flowed into an atmospheric pressure tank.
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Pottsville is a city and the county seat of Schuylkill County, Pennsylvania, United States. [3] The population was 13,346 at the 2020 census, and is the principal city of the Pottsville, PA Micropolitan Statistical Area.
The products of chalk weathering are dissolved in rainwater and are transported in stream flow. Chalk streams transport little suspended material (unlike most rivers), but are considered "mineral-rich" due to the dissolved calcium and carbonate ions. The surface water of chalk streams is commonly described as "gin clear".
PA 100 northbound in Upper Pottsgrove Township As of 2020 there were 36.75 miles (59.14 km) of public roads in Upper Pottsgrove Township, of which 5.92 miles (9.53 km) were maintained by the Pennsylvania Department of Transportation (PennDOT) and 30.83 miles (49.62 km) were maintained by the township.