Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Judith Mining District, Judith Basin County, Montana, USAi
Regional Level Types
Judith Mining DistrictMining District
Judith Basin CountyCounty
MontanaState
USACountry

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List of minerals for each chemical element

Fossils

There are 1 fossil locality from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences1
Youngest Fossil Listed66.0 Ma (Late/Upper Cretaceous)
Oldest Fossil Listed72.1 Ma (Late/Upper Cretaceous)
Stratigraphic Units
UnitNo. OccurrencesAge
Hell Creek166 - 63.3 Ma (Paleocene)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Tyrannosaurus rex
species		Animalia : Chordata : Reptilia : Dinosauria : Tyrannosauridae : Tyrannosaurus : Tyrannosaurus rex72.1 - 66 Ma
Late/Upper Cretaceous
Fossil LocalitiesClick to show 1 fossil locality

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate

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.
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