Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Yogo Gulch, Yogo District, Little Belt Mts, Judith Basin Co., Montana, USA

mindat Locality ID: 3872
mindat URL: http://www.mindat.org/loc-3872.html

Tectonic Settings:

Total number of sublocalities beneath "Yogo Gulch, Yogo District, Little Belt Mts, Judith Basin Co., Montana, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 46°52'35"N
Longitude: 110°18'27"W
Decimal Degree (lat, lon): 46.876388888889,-110.3075

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Analcime	Baryte	Calcite	Clay	Corundum	Garnet	Mica	None	Pyrite	Pyroxene
Spinel	Zircon

Aegirine ()*	Analcime ()*	Ankerite ()*	Augite ()*	Baryte ()*
Calcite ()*	Corundum ()*	Diopside ()*	Dolomite ()*	Hematite ()*
Magnetite ()*	Phlogopite ()*	Pyrite ()*	Pyrope ()*	Spinel ()*
Zircon ()*

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Ba C Ca Fe H K Mg Na O S Si Zr

Elements from minerals reported directly at this locality: Al Ba C Ca Fe H K Mg Na O S Si Zr

Structural Groups for minerals in this locality:
Analcime Baryte Calcite Clay Corundum Garnet Mica None Pyrite Pyroxene
Spinel Zircon

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1022
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1627
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	3092
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Baryte ()*	Baryte	Ba(SO₄)	11547
Calcite ()*	Calcite	Ca(CO₃)	27770
Corundum ()*	Corundum	Al₂O₃	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	4135
Dolomite ()*	None	CaMg(CO₃)₂	9895
Hematite ()*	Corundum	Fe₂O₃	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2273
Pyrite ()*	Pyrite	FeS₂	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	341
Spinel ()*	Spinel	MgAl₂O₄	1934
Zircon ()*	Zircon	Zr(SiO₄)	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R060020	Yogo Gulch, Yogo District, Little Belt Mts, Judith Basin Co., Montana, USA	https://rruff.info/R060020

All locality data graciously provided by mindat.org

All age data...