https://www.usgs.gov/publications/heavy-mineral-reconnaissance-coast-apalachicola-river-delta-northwest-florida-a
Two-hundred-and-fifty sediment samples were collected for heavy-mineral and textural analysis along the northwest Florida coastline from approximately 24 km...
heavy mineralthe coastapalachicola riverreconnaissance
https://www.usgs.gov/maps/summary-geochemical-maps-samples-rock-stream-sediment-and-nonmagnetic-heavy-mineral
The Sweetwater Roadless Area lies between Yerington, Nevada, and Bridgeport, California, along the California-Nevada boundary. The area encompasses...
summarygeochemicalmapssamplesrock