About PetDB

PetDB is a searchable database of published geochemical data for igneous & metamorphic rocks including:

• Magmatic rocks generated at mid-ocean ridges, back-arc basins, young seamounts
• Abyssal peridotites
• Old oceanic crust
• Mantle xenoliths
• Ophiolites (under development)

PetDB's content is constantly being updated. The latest data holdings:

• Latest Update: April 10, 2025
• References: 3,818
• Samples:   145,144
• Bulk rock data points: 1,969,328
• Minerals:3,863,552
• Volcanic glasses: 964,747
• Melt inclusions:  408,164
• Total individual values: 7,208,123
• Number of stations: 43,700

More:

• Become part of PetDB community and join the EarthChem mailing list.
• View a map of PetDB samples.
• Check out new features and enhancements in the PetDB release notes.

Questions? Contact us at: info@petdb.org.