A USGS Trusted Digital Repository that provides access to aggregated information derived from many data and information domains, including feeds from existing data systems, metadata catalogs, and scientists contributing new and original content.
The Geological Surveys Database contains bibliographic and sometimes full-text information from state geological surveys and the US Geological Survey. This is collaboration between AGI and US state geological surveys to make their publications more discoverable.
Hosts and provides access to one of the most significant data archives on earth, with comprehensive oceanic, atmospheric, and geophysical data. Formerly the National Climatic Data Center, the National Geophysical Data Center, and the National Oceanographic Data Center.
NASA’s Earth Science Data Systems Program manages numerous DAACs - distributed, discipline-specific, earth science Distributed Active Archive Centers, with specific responsibilities for production, archiving, and distribution of earth science data products.
For current US soil data, soil surveys and geospatially referenced soil information, see the NRCS Soils website, produced by the National Cooperative Soil Survey under the USDA Natural Resources Conservation Service (NRCS).
Founded in 2000, Mindat.org consists of a team of 50 experts that collect, organize, and share mineral information including localities, deposits, and mines. They are a 501(c)(3) not-for-profit organization.