Gabbro at the Saugus Iron Works
Detailed Description
A pile of gabbro at the Saugus Iron Works. Gabbro is an igneous mineral that was used as a purifying agent in the iron smelting process at the Saugus Iron Works.
Sources/Usage
Public Domain.
A pile of gabbro at the Saugus Iron Works. Gabbro is an igneous mineral that was used as a purifying agent in the iron smelting process at the Saugus Iron Works.
Public Domain.