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Guam
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 List
Mineral list contains entries from the region specified including sub-localities| Analcime 'Apophyllite' Calcite | Goethite 'Halloysite' 'Heulandite' | Montmorillonite Natrolite Nordstrandite (TL) | Quartz |
11 entries listed. 7 valid minerals. 1 type locality (valid mineral).
Localities in this Region
Guam
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