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:
Baltic Mine, Baltic, Houghton Co., Michigan, USA

mindat Locality ID: 8551
mindat URL: http://www.mindat.org/loc-8551.html

Tectonic Settings:

Total number of sublocalities beneath "Baltic Mine, Baltic, Houghton Co., Michigan, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Baltic No. 2 Shaft

Latitude: 47°4'7"N
Longitude: 88°37'20"W
Decimal Degree (lat, lon): 47.068611111111,-88.622222222222

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.

Baryte	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Digenite	Epidote	Mica	None
Not in a structural group	Prehnite	Pyrite	Quartz

Anilite ()*	Ankerite ()*	Baryte ()*	Bornite ()*	Calcite ()*
Chalcocite ()*	Chalcopyrite ()*	Copper ()*	Dolomite ()*	Epidote ()*
Laumontite ()*	Muscovite ()*	Prehnite ()*	Pyrite ()*	Quartz ()*
Silver ()*	Stromeyerite ()*

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: Ag Al Ba C Ca Cu Fe H K Mg O S Si

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

Structural Groups for minerals in this locality:
Baryte Calcite Chalcopyrite Clay Clinozoisite Copper Digenite Epidote Mica None
Not in a structural group Prehnite Pyrite Quartz

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Anilite ()*	Digenite	Cu₇S₄	0		88
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	0		3092
Baryte ()*	Baryte	Ba(SO₄)	0		11547
Bornite ()*	None	Cu₅FeS₄	0		5516
Calcite ()*	Calcite	Ca(CO₃)	1	220495	27770
Chalcocite ()*	None	Cu₂S	0		5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	0		27198
Copper ()*	Copper	Cu	0		3846
Dolomite ()*	None	CaMg(CO₃)₂	1	220495	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8173
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	0		1271
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	0		1898
Pyrite ()*	Pyrite	FeS₂	0		39462
Quartz ()*	Quartz	SiO₂	1	220495	61156
Silver ()*	Copper	Ag	0		5186
Stromeyerite ()*	None	CuAgS	0		332

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...