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Northern Mariana Islands, USA

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Area:475 km2
Locality type:Commonwealth


The Marianas Islands are composed of two U.S. jurisdictions: the territory of Guam (separate locality) and the Commonwealth of the Northern Mariana Islands.

The latter are a commonwealth in political union with the United States located at a strategic location in the western Pacific Ocean. It consists of 15 islands about three-quarters of the way from Hawaii to the Philippines.

The southern islands are limestone with level terraces and fringing coral reefs; the northern islands are volcanic, with active volcanoes on Anatahan, Pagan and Agrihan.

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Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

6 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
'Silver'1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Pyrite'2.EB.05aFeS2
'Sphalerite'2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Hematite'4.CB.05Fe2O3
'Quartz'4.DA.05SiO2
Unclassified Minerals, Rocks, etc.
'Andesite'-
'Breccia'-
'Chert'-
'Clays'-
'Dacite'-
'Limonite'-(Fe,O,OH,H2O)
'Ochre'-
'Porphyry'-
'Sandstone'-
'Wad'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Andesite'-
'Breccia'-
'Chert'-
'Clays'-
'Dacite'-
'Limonite'-(Fe,O,OH,H2O)
'Ochre'-
'Porphyry'-
'Sandstone'-
'Wad'-

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
OOxygen
O HematiteFe2O3
O Limonite(Fe,O,OH,H2O)
O QuartzSiO2
SiSilicon
Si QuartzSiO2
SSulfur
S PyriteFeS2
S SphaleriteZnS
FeIron
Fe HematiteFe2O3
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag SilverAg
AuGold
Au GoldAu

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