Virtual Field Trips

There are many sites in Pennsylvania that you can visit to view geologic features and to learn about the geologic heritage of our state. These sites include State Parks where exceptional geologic features are preserved. To learn about geologic features at Pennsylvania's State Parks, click on Trail of Geology, which includes guides to selected state parks. Our photo gallery is another way to view some scenic and unique geologic features of the state. Specific guidebooks and virtual field trips that highlight areas of Pennsylvania are listed below.

Discover Rocks, Ridges and Revines


Field Guidebooks and Virtual Tours



 Slippery Rock Gorge, McConnells Mill State Park


Take a geologic tour of Moraine and McConnells Mill State Parks Geologic Guide, Butler and Lawrence Counties, Pennsyslvania.


Trenton Limestone 

Peruse the field trip guidebook of the Trenton and Black River carbonates in Blair and Huntingdon counties, Pennsylvania. The Union Furnace Quarry (photo above) is included on this field trip.




General Geology Report 30 (2.5 MB).  Click to open PDF file or right-click and choose "save target as" to download. 

A portion of Perry County geology is described in G 30 – The Geology of the Hidden Valley Boy Scout Camp Area, Perry County, Pennsylvania* (2.5 MB). For information on ordering paper copies of G 30, see our General Geology web page at our Publications section..