Deposits, prospects, and permissive tracts for porphyry and sediment-hosted copper resources worldwide, with estimates of undiscovered copper resources.
| Tract name | Deposit type | Geology |
|---|
| Western Sierra Madre Occidental and Laramide Central | porphyry copper | Belt of Late Cretaceous to middle Eocene (Laramide) magmatic arc rocks in the Sierra Madre Occidental, eastern Mexican Basin and Range, and the Mesa Central of north-central Mexico and extensions north in to the U.S |
| Tertiary Central Plateau and Rocky Mountains | porphyry copper | Belt of middle Tertiary (Oligocene-Miocene) granitic to intermediate intrusive rocks & volcanics associated w/post-Laramide stage of magmatism in northern Mexico and Mid-Tertiary volcanic fields associated w/post-subduction extension in eastern Rocky Mtns |
| Western Mexican Basin and Range and Laramide Southwest | porphyry copper | Late Cretaceous to middle Eocene island arc and continental arc rocks along the western margin of Mexico and extending north into the U.S. |
