Robuta

https://www.usgs.gov/publications/mineralogical-magnetic-and-geochemical-data-constrain-pathways-and-extent-weathering
The oxidative weathering of sulfidic rock can profoundly impact watersheds through the resulting export of acidity and metals. Weathering leaves a record of...
mineralogicalmagneticgeochemicaldataconstrain
https://www.usgs.gov/centers/geology-energy-and-minerals-science-center/science/application-national-scale-soil
Project goals were to produce interpretive products based on the existing national-scale geochemical and mineralogical data and maps for soils of the...
mineralogical dataapplicationnationalscalesoil
https://www.usgs.gov/publications/geochemical-and-mineralogical-data-soils-conterminous-united-states
In 2007, the U.S. Geological Survey initiated a low-density (1 site per 1,600 square kilometers, 4,857 sites) geochemical and mineralogical survey of soils of...
mineralogical datageochemicalsoilsunited