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North Dakota, USA

Western North Dakota is in the Williston Basin, an oil and gas producing area. Sedimentary rock outcropping ranges in age from the late Cretaceous Niobrara formation to late Tertiary. The eastern portion of the state is covered with several hundred feet of glacial deposits. Agates and petrified wood can be found in numerous gravel deposits throughout the state.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Anhydrite
Aragonite
'Bentonite'
Calcite
'Chert'
'Clay'
'Coal'
Erionite-Ca
Erionite-Na
'Flint'
Glauberite
Gypsum
var: Selenite
Halite
Ice
var: Snow

Iron
var: Kamacite

Kaolinite
'Limonite'
Marcasite
Mirabilite
Montmorillonite
'Olivine'
'Petrified Wood'
Pyrolusite
'Pyroxene Group'
Quartz
var: Agate

var: Agate-Jasper
var: Chalcedony
var: Jasper
var: Moss Agate
Ranciéite
Siderite
'Sylvinite'
Sylvite
Taenite
Thenardite
'Wad'


37 entries listed. 18 valid minerals.

Localities in this Region

USA
USA

The above list 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.

References

Mineral and Water Resources of North Dakota (1973) ed Landis N. Dak. Geol Surv. Bull 63

North Dakota Geological Survey Newsletter Summer 1995

Rock and Mineral Collecting in North Dakota NDGS Newsletter June 1976

External Links


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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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