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:
Johnson Basin Mining District, Deer Lodge Co., Montana, USA

mindat Locality ID: 43829
mindat URL: http://www.mindat.org/loc-43829.html

Tectonic Settings:

Total number of sublocalities beneath "Johnson Basin Mining District, Deer Lodge Co., Montana, USA": 16
Total number of bottom-level sublocalities: 16

Number of Child Localities: 16
Child Localities:
Ben G Prospect
Copperopolis Mine
East Spring Hill Dolomite Sample Occurrence
Foster Creek Dolomite Bluffs Sample Occurrence
Foster Creek Limestone Bluff's Sample Occurrence
Mike Hannon Mine (McMasters Shaft; Hannon Mine)
Moonlight Occurrence
New Year Mine
New Year Tip Top Mine (New Year Mine; Tip Top Mine; Farmers Mine; Emma; Bretz; Abbot)
Old Bonanza Mine
Randy Claim
Richmond Mine (Ontario Mine)
South Spring Hill Magnesian Limestone Sample Occurrence
Unnamed Gold Occurrence (MRDS - 10221127)
Warm Springs Dolomite Sample Occurrence
Welcome Mine

Latitude: 46°11'23"N
Longitude: 113°9'10"W
Decimal Degree (lat, lon): 46.189722222222,-113.15277777778

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.

Calcite	Chalcopyrite	Malachite	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Scheelite	Sphalerite
Tetrahedrite

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: C Ca Cu Fe H Mg O Pb S Sb Si W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Malachite None Not in a structural group Pyrite Quartz Rocksalt Scheelite Sphalerite
Tetrahedrite

11 IMA Minerals at location:

Azurite ()*	Calcite ()*	Chalcopyrite ()*	Dolomite ()*	Galena ()*
Malachite ()*	Pyrite ()*	Quartz ()*	Scheelite ()*	Sphalerite ()*
Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	227814	5509
Calcite ()*	Calcite	Ca(CO₃)	1	227814	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	227814	27198
Dolomite ()*	None	CaMg(CO₃)₂	4	227806,227808,227809,227820	9895
Galena ()*	Rocksalt	PbS	3	227807,227814,227821	24243
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	227807,227814	12537
Pyrite ()*	Pyrite	FeS₂	1	227814	39462
Quartz ()*	Quartz	SiO₂	2	227814,227821	61156
Scheelite ()*	Scheelite	Ca(WO₄)	2	227806,227814	4894
Sphalerite ()*	Sphalerite	ZnS	2	227814,227821	21482
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	2	227814,227821	5317

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...