Total magnetic intensity data measures variations in the intensity of the Earth's magnetic filed caused by the contrasting content of rock-forming minerals in the Earth's crust. The data are collecte
These cards index monographs and journal articles on, and references to, geological formations, rock types, and mineral deposits in New South Wales. The cards are arranged alphabetically by geological
This dataset includes locations and associated information about mines and mining activity in the contiguous United States. The database was developed by combining...