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Please note: the old PetDB search interface will be shut down on April 29th, 2019. Please contact with any questions or concerns.


PetDB is a global synthesis of chemical, isotopic, and mineralogical data for rocks, minerals, and melt inclusions. PetDB's current content focuses on data for igneous and metamorphic rocks from the ocean floor, specifically mid-ocean ridge basalts and abyssal peridotites, and xenolith samples from the Earth's mantle and lower crust.


PetDB sample locations viewed in the GeoMapApp (click to search)


PetDB is maintained and continuously updated as part of the EarthChem data collections. The current version is PetDB v.2.9.3, released on October 11th, 2018.

Become part of PetDB community and join the IEDA mailing list.

Browse recent data additions to PetDB as well as citations of PetDB in the literature. Check out new features and enhancements in the PetDB Release Notes.

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