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December 8, 2007, Saturday,
National Limestone, Mount Pleasant Mills & Middleburg Quarries, Snyder
County, PA. These quarries mines the limestones of the Upper
Silurian age Tonoloway Formation. Minerals that can be commonly found at
this quarry include: calcite, and strontianite. Celestite, fluorite, and
wavellite also can be found at Mount Pleasant Mills but are not common.
Collection is by hammer and chisel almost exclusively. Please sign
up by Thursday, December 6th if you would like to attend! Note: This is
about a 3-hour drive from Wilmington. CANCELLED
DUE TO WEATHER
April 21, 2007, Saturday: National Limestone
Quarry, Mount Pleasant Mills, Snyder County, PA.
This quarry mines the limestones of the Upper Silurian age Tonoloway Formation.
Minerals that can be commonly found at this quarry include: calcite, and strontianite.
Celestite, fluorite, and wavellite also can be found here but are not common.
Collection is by hammer and chisel almost exclusively. Please sign up by
Wednesday, April 18th if you would like to attend! Note: This is about a 3-hour
drive from Wilmington.
[Bob Asreen]
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