It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Data Sources for Physical and Earth Sciences: Geology & Oceanography
This is a guide to locating and downloading data in the physical and earth sciences.
PetDB is a global synthesis of chemical, isotopic, and mineralogical data for rocks, minerals, and melt inclusions. PetDB includes data for igneous and metamorphic rocks from the ocean floor and samples from the Earth's mantle and lower crust.