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:
Baraga Co., Michigan, USA

Oldest recorded age at locality: 1960
Youngest recorded age at locality: 1904

mindat Locality ID: 22653
mindat URL: http://www.mindat.org/loc-22653.html

Tectonic Settings:

Total number of sublocalities beneath "Baraga Co., Michigan, USA": 52
Total number of bottom-level sublocalities: 44

Number of Child Localities: 32
Child Localities:
Abijik Quartzite
Alberta
Arvon Slate Quarry (Clinton Slate Company; Huron Bay Slate Company)
BIC Deposit
Bughole Exploration Prospect
Gomanche Creek Slate Quarry
Grummett Exploration Prospect (Ned Lake)
Huron Bay Slate Company
Huron Islands
Huron River
Imperial Heights
Marquette Exploration Prospect
Marquette Iron Range
Michigamme Formation
Northeast Branch Slate Quarry
Northern Graphite Works Quarry
Old Gold Pit
Point Abbaye
Section 23 Silver Prospect
Sidnaw Slate Quarry
Silver River Silver Prospect
Skanee Area Occurrence
Slate River
Unnamed Copper Prospect (MRDS - 10243461)
Unnamed Gold Prospect (MRDS - 10208118)
Unnamed Iron Formation
Unnamed Lead Prospect (MRDS - 10218142)
Unnamed Lead Zinc Uranium Prospect (MRDS - 10193999)
Unnamed Pegmatites
Unnamed Silver Prospect (MRDS - 10146753)
Unnamed Silver Prospect (MRDS - 10291364)
Zellens Area

Latitude: 46°44'9"N
Longitude: 88°13'7"W
Decimal Degree (lat, lon): 46.735833333333,-88.218611111111

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.

Acanthite	Allophane	Amphibole	Analcime	Apatite	Aragonite	Baryte	Beryl	Calcite	Chalcopyrite
Chlorite	Chloritoid	Clay	Cobaltite	Copper	Coronadite	Corundum	Covellite	Cubanite	Descloizite
Diaspore	Fluorite	Fritzscheite	Garnet	Gypsum	Kaolinite	Lepidocrocite	Malachite	Marcasite	Melanterite
Mica	Nickeline	None	Not in a structural group	Palygorskite	Pentlandite	Pyrite	Quartz	Rocksalt	Rutile
Smectite-vermiculite	Sphalerite	Spinel	Staurolite	Talc	Volborthite	Wurtzite	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: Ag Al As Au Ba Be C Ca Cd Cl Co Cu F Fe H Hg K Mg Mn Na Ni O P Pb S Si Ti U V Y Zn

Elements from minerals reported directly at this locality: Al As Ca Cu H Mg Na O Si

Structural Groups for minerals in this locality:
Acanthite Allophane Amphibole Analcime Apatite Aragonite Baryte Beryl Calcite Chalcopyrite
Chlorite Chloritoid Clay Cobaltite Copper Coronadite Corundum Covellite Cubanite Descloizite
Diaspore Fluorite Fritzscheite Garnet Gypsum Kaolinite Lepidocrocite Malachite Marcasite Melanterite
Mica Nickeline None Not in a structural group Palygorskite Pentlandite Pyrite Quartz Rocksalt Rutile
Smectite-vermiculite Sphalerite Spinel Staurolite Talc Volborthite Wurtzite Zircon

79 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Algodonite ()*	Almandine ()*	Analcime ()*
Anatase ()*	Azurite ()*	Baryte ()*	Beryl ()*	Bornite ()*
Calcite ()*	Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Chamosite ()*
Chervetite ()*	Chlorapatite ()*	Chloritoid ()*	Chrysocolla ()*	Cinnabar ()*
Clinochlore ()*	Cobaltite ()*	Copper ()*	Coronadite ()*	Covellite ()*
Cubanite ()*	Cummingtonite ()*	Cuprite ()*	Dickite ()*	Djurleite ()*
Dolomite ()*	Eugenite ()*	Fluorapatite ()*	Galena ()*	Goethite ()*
Gold ()*	Graphite ()*	Greenockite ()*	Grunerite ()*	Gypsum ()*
Hematite ()*	Hydrozincite ()*	Kaolinite ()*	Lepidocrocite ()*	Magnetite ()*
Malachite ()*	Manganite ()*	Marcasite ()*	Melanterite ()*	Mercury ()*
Metacinnabar ()*	Metatorbernite ()*	Metatyuyamunite ()*	Minnesotaite ()*	Montmorillonite ()*
Montroseite ()*	Mottramite ()*	Muscovite ()*	Neotocite ()*	Nickeline ()*
Otavite ()*	Palygorskite ()*	Pentlandite ()*	Pyrite ()*	Pyrolusite ()*
Pyrrhotite ()*	Quartz ()*	Rhodochrosite ()*	Rutile ()*	Siderite ()*
Silver ()*	Sphalerite ()*	Staurolite ()*	Tyuyamunite ()*	Uraninite ()*
Uranospinite ()*	Volborthite ()*	Wakefieldite-(Y) ()*	Widenmannite ()*

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
Acanthite ()*	Acanthite	Ag₂S			1	220037	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			6	220040,220041,220044,220045,220046,220048	3419
Algodonite ()*	Not in a structural group	Cu_1-xAs_x (x ≈ 0.15)	1960	1904	0		41
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			1	220041	2353
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			1	220040	1627
Anatase ()*	Not in a structural group	TiO₂			1	220037	2162
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	220037	5509
Baryte ()*	Baryte	Ba(SO₄)			4	220025,220027,220037,220057	11547
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			1	220068	4286
Bornite ()*	None	Cu₅FeS₄			1	220037	5516
Calcite ()*	Calcite	Ca(CO₃)			5	220037,220040,220062,220063,220071	27770
Cerussite ()*	Aragonite	Pb(CO₃)			1	220037	4979
Chalcocite ()*	None	Cu₂S			2	220037,220063	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			3	220029,220037,220040	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈			1	220041	577
Chervetite ()*	None	Pb₂V⁵⁺₂O₇			1	220037	7
Chlorapatite ()*	Apatite	Ca₅(PO₄)₃Cl			1	220025	203
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂			1	220041	376
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			1	220037	3531
Cinnabar ()*	None	HgS			1	220037	2600
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1960	1904	0		1756
Cobaltite ()*	Cobaltite	CoAsS			1	220037	966
Copper ()*	Copper	Cu			1	220037	3846
Coronadite ()*	Coronadite	Pb(Mn⁴⁺₆Mn³⁺₂)O₁₆			1	220037	227
Covellite ()*	Covellite	CuS			1	220037	4165
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃			1	220029	802
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			1	220041	327
Cuprite ()*	Not in a structural group	Cu₂O			1	220037	2970
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	220037	651
Djurleite ()*	None	Cu₃₁S₁₆			1	220037	300
Dolomite ()*	None	CaMg(CO₃)₂			2	220037,220040	9895
Eugenite ()*	None	Ag₁₁Hg₂			1	220037	17
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			1	220037	2740
Galena ()*	Rocksalt	PbS			1	220037	24243
Goethite ()*	Diaspore	FeO(OH)			4	220025,220026,220037,220040	7437
Gold ()*	Copper	Au			2	220032,220042	30554
Graphite ()*	None	C			9	220022,220025,220037,220040,220050,220051,220052,220053,220055	2812
Greenockite ()*	Wurtzite	CdS			1	220037	717
Grunerite ()*	Amphibole	Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂			6	220040,220041,220044,220045,220046,220048	223
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	220040	6890
Hematite ()*	Corundum	Fe₂O₃			6	220025,220036,220037,220040,220041,220046	14640
Hydrozincite ()*	None	Zn₅(CO₃)₂(OH)₆			1	220037	1066
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			1	220022	5591
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)			1	220037	581
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			9	220020,220030,220037,220040,220041,220044,220045,220046,220048	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			2	220037,220063	12537
Manganite ()*	Rutile	Mn³⁺O(OH)			3	220025,220026,220065	770
Marcasite ()*	Marcasite	FeS₂			1	220040	5674
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O			1	220025	915
Mercury ()*	None	Hg			1	220037	397
Metacinnabar ()*	Sphalerite	HgS			1	220037	255
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O			1	220022	443
Metatyuyamunite ()*	Fritzscheite	Ca(UO₂)₂(VO₄)₂·3H₂O			1	220037	129
Minnesotaite ()*	Clay Talc	Fe²⁺₃Si₄O₁₀(OH)₂			1	220062	61
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1960	1904	0		1508
Montroseite ()*	Diaspore	(V³⁺,Fe²⁺,V⁴⁺)O(OH)			1	220037	136
Mottramite ()*	Descloizite	PbCu(VO₄)(OH)			1	220037	362
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	220037	17380
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)			2	220025,220027	186
Nickeline ()*	Nickeline	NiAs			1	220037	633
Otavite ()*	Calcite	Cd(CO₃)			1	220037	25
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O			1	220040	306
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			1	220029	1512
Pyrite ()*	Pyrite	FeS₂			9	220020,220022,220025,220029,220036,220037,220039,220040,220062	39462
Pyrolusite ()*	Rutile	MnO₂			4	220024,220025,220026,220043	3106
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	220029	9056
Quartz ()*	Quartz	SiO₂			6	220020,220025,220037,220040,220041,220068	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)			2	220025,220027	1711
Rutile ()*	Rutile	TiO₂			1	220037	5614
Siderite ()*	Calcite	Fe(CO₃)			2	220025,220041	6417
Silver ()*	Copper	Ag			2	220037,220060	5186
Sphalerite ()*	Sphalerite	ZnS			2	220037,220040	21482
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			1	220038	978
Tyuyamunite ()*	None	Ca(UO₂)₂(VO₄)₂·5-8H₂O			1	220037	628
Uraninite ()*	Fluorite	UO₂			2	220036,220037	2718
Uranospinite ()*	None	Ca(UO₂)₂(AsO₄)₂·10H₂O			1	220037	51
Volborthite ()*	Volborthite	Cu₃V₂O₇(OH)₂·2H₂O			1	220037	155
Wakefieldite-(Y) ()*	Zircon	YVO₄			1	220037	7
Widenmannite ()*	None	Pb₂(OH)₂[(UO₂)(CO₃)₂]			1	220037	9

12 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-U-Th-Pb-01983_206_238	1930	1910	1920±10	206_238	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01983_207_206	1952	1904	1928±24	207_206	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01983_207_235	1938	1910	1924±14	207_235	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01984_206_238	1930	1910	1920±10	206_238	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01984_207_206	1952	1904	1928±24	207_206	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01984_207_235	1938	1910	1924±14	207_235	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01985_206_238	1960	1940	1950±10	206_238	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01985_207_206	1958	1910	1934±24	207_206	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01985_207_235	1956	1928	1942±14	207_235	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01986_206_238	1960	1940	1950±10	206_238	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01986_207_206	1958	1910	1934±24	207_206	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01986_207_235	1956	1928	1942±14	207_235	age of volcanism	whole rock	123765	Unnamed Lead Prospect (MRDS - 10218142), Baraga Co., Michigan, USA	USGS-U-Th-Pb	USGS-U-Th-Pb

Sample	Source Locality	Reference URL
FKM-138	Spurr Mine, Imperial Heights, Baraga Co., Michigan, USA	https://www.rockptx.com/fkm-126-to-fkm-150/#FKM-138

All locality data graciously provided by mindat.org

All age data...