Tilcon Nyack Quarry
Nyack, NY


formation- The quarry works in the diabase formations of the Palisades sill.

Mineralization is limited to faces and fillings of seams in a few spots in the quarry. The deposits are very limited.

The pit is only a few miles north of the NJ border and hence is included here

Minerals collected-
Magnetite
Bornite
Quartz
Calcite - fluoresces red SW


Page in process