Lehigh Valley Geology Field Trips
North Field Trip
Topography, Structure and History of Lehigh Valley Rocks of Intermediate Age
(Click on images to enlarge)
Field trip #2 explores the area to the northwest of Bethlehem.
The locations of the stops are indicated by the red flags on the above map.
Stop #1: Abandoned quarry near Monocacy River floodplain
Stop #2: Inactive Quarry of Keystone Portland Cement Co.
Stop #3: Exposure along PA route 248 near Beersville
Stop #4: Gap of Lehigh River near Palmerton
Stop #5: Little Gap on Blue Ridge Mountain near Danielsville
The main theme of Field Trip #2 is to determine the nature and timing of the deformation
of the Appalachian Mountains, based upon the exposures seen along the field trip
sub-themes are as follows:
Stop #1: Lerch's Quarry: Structures Within The Allentown Formation
Stop #2: Bath Quarry: Cement Limestone and Its Deformation
Stop #3: Deformational Features Within the Martinsburg Formation
Stop #4: Lehigh Water Gap: Structure and Topography
Stop #5: Devil's Potato Patch in a Wind Gap: A Geomorphic Extravaganza