| Online link | https://doi.org/10.3133/ofr99556 |
|---|---|
| Description | Database of large-tonnage, generally low-grade, hydrothermal deposits related to igneous intrusions emplaced at high crustal levels. Includes tri-partite classification based on deposit type, metal commodities, and source/host pluton chemistry. |
| Originators | Mutschler, Felix E., Ludington, Stephen D., Bookstrom, Arthur A. |
| Publication | U.S. Geological Survey Open-File Report 99-556 |