|Locality type:||Unincorporated and Organized Territory|
The Marianas Islands are composed of two U.S. jurisdictions: the territory of Guam and the Commonwealth of the Northern Mariana Islands (separate locality).
Guam, the largest and southernmost of the Mariana Islands in the Western Pacific Ocean, is divided into 19 municipalities.
Geologically, the northern part of the island is a forested coralline limestone plateau while the south contains volcanic peaks covered in forest and grassland.
Mineral ListMineral list contains entries from the region specified including sub-localities
7 valid minerals. 1 (TL) - type locality of valid minerals.
Localities in this RegionShow map
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.