(Click on pictures for larger images,
use back arrown to return)
Return To Adams County Tour Map
|Franklin Township - Township These two mine shafts are
the only such openings remaining in this area that represents the
once major copper district. A number of copper mines are found in
this region and was one of the leading copper districts in the
United States in the late 1800ís into the early 1900ís. This is the
Reed Hill Mine along Copper Run. Many of the abandoned mines are now
on the property of Michaux State Forest.
|Franklin Township - A sample of native copper in quartz
found within the basalt in the Copper Run area north of Gladhill.
Copper was mined from this area from the mid 1800ís into the early
1900ís. Many of the visible prospects are now on the property of
Michaux State Forest.
|Franklin Township - Township This is a classic example of
a diabase dike intruding older rocks in the Balley Quarry at
Fairfield. Diabase is an igneous rock formed inside the Earth. A
crack in the crust allowed the magma to migrate up through the
limestone to fill in the fracture. The dike is about 15 feet wide.
|Franklin Township - The age of the limestones in the
Valley Quarry at Fairfield has been debated for some years. Some
geologists thought the limestone correlated with the Early Paleozoic
e limestones in the Great Valley under Hagerstown, MD and
Chambersburg. Others thought the rock was Triassic in age, matching
those rocks surrounding Fairfield. In 2011, members of the Franklin
County Rock and Mineral Club discovered dinosaur footprints while on
a fieldtrip to the quarry. This is a Grallator footprint. This find
placed a Triassic age on the age exposed in the quarry.