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:
Opemisca Deposits, Chibougamau Mining District, Nord-du-Québec, Québec, Canada

Oldest recorded age at locality: 2716
Youngest recorded age at locality: 2714

mindat Locality ID: 297165
mindat URL: http://www.mindat.org/loc-297165.html

Tectonic Settings:

Total number of sublocalities beneath "Opemisca Deposits, Chibougamau Mining District, Nord-du-Québec, Québec, Canada": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Henderson Mine

Latitude: 49°53'45"N
Longitude: 74°12'29"W
Decimal Degree (lat, lon): 49.895833333333,-74.208055555556

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.

Amphibole	Arsenopyrite	Calcite	Chalcopyrite	Chloritoid	Clay	Clinozoisite	Cobaltite	Copper	Corundum
Epidote	Feldspar	Mica	Nickeline	None	Pentlandite	Pyrite	Pyroxene	Quartz	Rutile
Sphalerite	Spinel	Titanite

Actinolite ()*	Albite ()*	Ankerite ()*	Arsenopyrite ()*	Augite ()*
Calcite ()*	Chalcocite ()*	Chalcopyrite ()*	Chloritoid ()*	Clinozoisite ()*
Cobaltite ()*	Copper ()*	Epidote ()*	Ilmenite ()*	Magnetite ()*
Muscovite ()*	Pentlandite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
Rutile ()*	Siderite ()*	Siegenite ()*	Sphalerite ()*	Titanite ()*
Willyamite ()*	Zoisite ()*

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 As C Ca Co Cu Fe H K Mg Na Ni O S Sb Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Arsenopyrite Calcite Chalcopyrite Chloritoid Clay Clinozoisite Cobaltite Copper Corundum
Epidote Feldspar Mica Nickeline None Pentlandite Pyrite Pyroxene Quartz Rutile
Sphalerite Spinel Titanite

27 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	2716	2714	1	34819	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	2716	2714	1	34819	8803
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	2716	2714	1	34819	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	2716	2714	1	34819	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2716	2714	1	34819	2060
Calcite ()*	Calcite	Ca(CO₃)	2716	2714	1	34819	27770
Chalcocite ()*	None	Cu₂S	2716	2714	1	34819	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2716	2714	1	34819	27198
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂	2716	2714	1	34819	376
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	2716	2714	1	34819	1025
Cobaltite ()*	Cobaltite	CoAsS	2716	2714	1	34819	966
Copper ()*	Copper	Cu	2716	2714	1	34819	3846
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2716	2714	1	34819	8173
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	2716	2714	1	34819	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2716	2714	1	34819	14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2716	2714	1	34819	17380
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	2716	2714	1	34819	1512
Pyrite ()*	Pyrite	FeS₂	2716	2714	1	34819	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	2716	2714	1	34819	9056
Quartz ()*	Quartz	SiO₂	2716	2714	1	34819	61156
Rutile ()*	Rutile	TiO₂	2716	2714	1	34819	5614
Siderite ()*	Calcite	Fe(CO₃)	2716	2714	1	34819	6417
Siegenite ()*	Spinel	CoNi₂S₄	2716	2714	1	34819	249
Sphalerite ()*	Sphalerite	ZnS	2716	2714	1	34819	21482
Titanite ()*	Titanite	CaTi(SiO₄)O	2716	2714	1	34819	4899
Willyamite ()*	Cobaltite	CoSbS	2716	2714	1	34819	25
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	2716	2714	1	34819	1025

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	PorphCu-00001	2716	2714	2716–2714							Yes		Chalcopyrite, Magnetite, Pyrite, Pyrrhotite, Siderite	Cu	586	Chibougamau Mining District, Nord-du-Québec, Québec, Canada	Chibougamau	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...