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|
|Eastern Alkaline Province||porphyry copper||A belt of Tertiary alkaline granitic rocks associated with back-arc or postsubduction extension|
|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|
|Laramide Central Plateau||porphyry copper||Belt of Late Cretaceous to middle Eocene (Laramide) magmatic arc rocks in the eastern part of the Sierra Madre Occidental, eastern Mexican Basin and Range, and the Mesa Central of northern Mexico|