|
gettysburg national military park
|
• National Park Service pamphlet. • Wikipedia entry. • Park map. (PDF) |
|
piedmont
|
The Gettysburg basin lies within the Piedmont physiographic province. • Wikipedia entry.• Pennsylvania Geological Survey discussion. |
|
rock types
|
During our trip, we will see both sedimentary and metamorphic rocks. • Sedimentary Rock: Wikipedia entry — James Madison University discussion.• Shale: Wikipedia entry. • Metamorphic Rock: Wikipedia entry — James Madison University discussion. • Diabase: Wikipedia entry. • Hornfels: Wikipedia entry. |
|
introduction to plate tectonics
|
Nothing in geology makes sense without plate tectonics. • U.S. Geological Survey pamphlet.• Wikipedia entry. |
|
breakup of pangea
|
The Gettysburg basin originated during this geologic event. • Paleontological Research Institution discussion. (PDF)• James Madison University discussion. |
|
trip guide
|
Historical and geological details about the Gettysburg basin and our field trip. • Trip Guide. |