From Surf Wiki (app.surf) — the open knowledge base

York Haven Diabase

The York Haven Diabase is a rock formation in Pennsylvania, United States. It underlies the Rossville Diabase and is Jurassic in age. The formation is volcanic to subvolcanic, with a mafic composition and is categorized as a basalt. The York Haven Diabase is a member of the larger Gettysburg Basin. It plays an important role in United States history as the diabase outcrops were useful barriers in the union's strategy against the confederates at the Battle of Gettysburg.

Rendering article…

Content sourced from manual.

This content may have been generated or modified by AI, and may be sourced from third parties. CloudSurf Software LLC makes no warranties as to its accuracy, completeness, or reliability, and accepts no liability for it. Always verify important information against primary sources.

Report