About this app
The app is a database and mapping application for the Devonian Lithological Database, developed by Thomas L. Moore as part of his dissertation at the University of Arizona (1999). These data are freely available for non-commercial users. FEATURES 1. Database of Devonian rocks containing over 5000 records. 2. Ability to narrow selection by age. 3. Interactive global map for displaying selection. 4. The ability to view specific records containing all of the information from the original database.
Latest release
What’s New
* Faster Performance * More visible icons * Search data using rock types and formation names
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 10, 2026 · 5:26 PM Free
Screenshots
