|Latitude & Longitude (WGS84):||4° 3' 21'' South , 137° 6' 47'' East|
|Latitude & Longitude (decimal):||-4.05602,137.11320|
|Owned/operated by:||Freeport-McMoRan, Rio Tinto Group|
|Age:||3.41 ± 0.03 to 2.59 ± 0.15 Ma|
|Reference for age:||Pollard, P. J., Taylor, R. G., & Peters, L. (2005). Ages of intrusion, alteration, and mineralization at the Grasberg Cu-Au deposit, Papua, Indonesia. Economic Geology, 100(5), 1005-1020.|
|Köppen climate type:||Af : Tropical rainforest climate|
Gigantic porphyry copper-gold deposit.
Reserves of 1.7 billion tonnes of ores grading at 1.1% Cu and 1.2 g/t Au.
The largest gold mine and the third largest copper mine in the world.
It is owned and operated by Freeport Indonesia (PTFI), a subsidiary of US-based Freeport-McMoRan Copper & Gold Inc. (FCX). Rio Tinto has a joint venture with FCX for a 40 per cent share of production above specific levels until 2021, and 40 per cent of all production after 2021.
28 valid minerals.
Rock Types Recorded
Select Rock List TypeAlphabetical List Tree Diagram
Entries shown in red are rocks recorded for this region.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
|Paleogene - Cretaceous|
23.03 - 145 Ma
|Mesozoic-Cenozoic sedimentary rocks|
Age: Phanerozoic (23.03 - 145 Ma)
Lithology: Sedimentary rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529.