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:
Gogebic Co., Michigan, USA

Oldest recorded age at locality: 3411
Youngest recorded age at locality: 669

mindat Locality ID: 23891
mindat URL: http://www.mindat.org/loc-23891.html

Tectonic Settings:

Total number of sublocalities beneath "Gogebic Co., Michigan, USA": 100
Total number of bottom-level sublocalities: 87

Number of Child Localities: 15
Child Localities:
Bessemer
Black River Harbor
Brush Lake
Goebic County Lake Clay Prospect
Gogebic County Quarries
Gogebic Iron Range
Holland Prospect
Keweenaw Copper
Marenisco Feldspar Exposure Prospect
North Bessemer
Peak Copper Exploration Prospect
United States Metals Refining Company Exploration (Copperwood Mine)
Unnamed Pegmatite
Watersmeet
Watersmeet Dome

Latitude: 46°29'19"N
Longitude: 89°41'25"W
Decimal Degree (lat, lon): 46.488611111111,-89.690277777778

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.

Allanite	Allophane	Alunite	Amphibole	Apatite	Aragonite	Baryte	Calcite	Chalcopyrite	Chlorite
Clay	Clinozoisite	Copper	Coronadite	Corundum	Covellite	Diaspore	Epidote	Feldspar	Fluorite
Gypsum	Kaolinite	Malachite	Mica	Molybdenite	None	Not in a structural group	Palygorskite	Prehnite	Pyrite
Quartz	Rocksalt	Rutile	Scheelite	Serpentine	Smectite-vermiculite	Sphalerite	Spinel	Stilpnomelane	Talc
Titanite	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 Au B Ba C Ca Ce Cl Cu F Fe H K Mg Mn Mo Na O P Pb S Si Ti U W Zn Zr

Elements from minerals reported directly at this locality: Al C Fe H Mg Mn Na O Si

Structural Groups for minerals in this locality:
Allanite Allophane Alunite Amphibole Apatite Aragonite Baryte Calcite Chalcopyrite Chlorite
Clay Clinozoisite Copper Coronadite Corundum Covellite Diaspore Epidote Feldspar Fluorite
Gypsum Kaolinite Malachite Mica Molybdenite None Not in a structural group Palygorskite Prehnite Pyrite
Quartz Rocksalt Rutile Scheelite Serpentine Smectite-vermiculite Sphalerite Spinel Stilpnomelane Talc
Titanite Zircon

76 IMA Minerals at location:

Actinolite ()*	Allanite-(Ce) ()*	Anglesite ()*	Ankerite ()*	Aragonite ()*
Baryte ()*	Beaverite-(Cu) ()*	Bornite ()*	Calcite ()*	Calcurmolite ()*
Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Chamosite ()*	Clinochlore ()*
Clinozoisite ()*	Copper ()*	Corkite ()*	Covellite ()*	Cryptomelane ()*
Dickite ()*	Dolomite ()*	Epidote ()*	Fluorite ()*	Galena ()*
Goethite ()*	Gold ()*	Graphite ()*	Greenalite ()*	Groutite ()*
Grunerite ()*	Gypsum ()*	Hausmannite ()*	Hematite ()*	Hisingerite ()*
Hollandite ()*	Hydroxylpyromorphite ()*	Jarosite ()*	Kaolinite ()*	Kasolite ()*
Laumontite ()*	Magnetite ()*	Malachite ()*	Manganite ()*	Microcline ()*
Minnesotaite ()*	Molybdenite ()*	Montmorillonite ()*	Muscovite ()*	Neotocite ()*
Nontronite ()*	Palygorskite ()*	Plumbojarosite ()*	Powellite ()*	Prehnite ()*
Pyrite ()*	Pyrolusite ()*	Pyromorphite ()*	Quartz ()*	Rhodochrosite ()*
Riebeckite ()*	Romanèchite ()*	Scheelite ()*	Siderite ()*	Silver ()*
Sklodowskite ()*	Sphalerite ()*	Stilpnomelane ()*	Szaibélyite ()*	Talc ()*
Titanite ()*	Tremolite ()*	Uraninite ()*	Uranophane-α ()*	Wulfenite ()*
Zircon ()*

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			1	220377	3419
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	3366	1294	2	220409,220467	706
Anglesite ()*	Baryte	Pb(SO₄)	3411	669	2	220407,220465	2734
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	220408	3092
Aragonite ()*	Aragonite	Ca(CO₃)	2792.82	2512.82	1	220402	3250
Baryte ()*	Baryte	Ba(SO₄)	2792.82	2512.82	7	220379,220380,220401,220402,220403,220447,220454	11547
Beaverite-(Cu) ()*	Alunite	Pb(Fe³⁺₂Cu)(SO₄)₂(OH)₆			1	220407	132
Bornite ()*	None	Cu₅FeS₄			1	220462	5516
Calcite ()*	Calcite	Ca(CO₃)	2792.82	2512.82	7	220400,220402,220403,220407,220408,220447,220462	27770
Calcurmolite ()*	None	(Ca_1-xNa_x)₂(UO₂)₃(MoO₄)₂(OH)_6-x·nH₂O	3411	669	1	220465	10
Cerussite ()*	Aragonite	Pb(CO₃)			1	220407	4979
Chalcocite ()*	None	Cu₂S	1500	1500	2	220457,220462	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2000	2000	4	220407,220440,220462,220466	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈			1	220407	577
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			1	220462	1756
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	3366	1294	1	220467	1025
Copper ()*	Copper	Cu	1500	1500	2	220457,220462	3846
Corkite ()*	Alunite	PbFe³⁺₃(SO₄)(PO₄)(OH)₆			1	220407	151
Covellite ()*	Covellite	CuS			1	220407	4165
Cryptomelane ()*	Coronadite	K(Mn⁴⁺₇Mn³⁺)O₁₆			5	220380,220401,220403,220433,220454	599
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	3411	669	0		651
Dolomite ()*	None	CaMg(CO₃)₂	3411	669	5	220377,220407,220408,220447,220466	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	3366	1294	2	220408,220467	8173
Fluorite ()*	Fluorite	CaF₂	3366	1294	1	220467	9617
Galena ()*	Rocksalt	PbS			2	220407,220462	24243
Goethite ()*	Diaspore	FeO(OH)	2792.82	2512.82	9	220376,220379,220380,220401,220402,220403,220407,220434,220454	7437
Gold ()*	Copper	Au			1	220440	30554
Graphite ()*	None	C	3411	669	0		2812
Greenalite ()*	Clay Serpentine	(Fe²⁺,Fe³⁺)_2-3Si₂O₅(OH)₄	3411	669	0		61
Groutite ()*	Diaspore	Mn³⁺O(OH)			1	220447	72
Grunerite ()*	Amphibole	Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂	3411	669	0		223
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			2	220375,220407	6890
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	3411	669	0		350
Hematite ()*	Corundum	Fe₂O₃	2792.82	2512.82	31	220376,220379,220380,220382,220383,220400,220401,220402,220403,220404,220405,220407,220433,220434,220435,220436,220437,220438,220440,220441,220444,220446,220447,220448,220449,220450,220451,220452,220454,220460,220462	14640
Hisingerite ()*	Kaolinite Clay	Fe₂Si₂O₅(OH)₄·2H₂O	3411	669	0		144
Hollandite ()*	Coronadite	Ba(Mn⁴⁺₆Mn³⁺₂)O₁₆			1	220403	243
Hydroxylpyromorphite ()*	Apatite	Pb₅(PO₄)₃(OH)			1	220407	5
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	3411	669	2	220407,220465	2228
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	3411	669	0		5591
Kasolite ()*	None	Pb(UO₂)(SiO₄)·H₂O	3411	669	1	220465	198
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	220460	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	220408	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2792.82	2000	4	220400,220407,220462,220466	12537
Manganite ()*	Rutile	Mn³⁺O(OH)	2792.82	2512.82	4	220379,220380,220402,220434	770
Microcline ()*	Feldspar	K(AlSi₃O₈)			3	220380,220458,220463	4924
Minnesotaite ()*	Clay Talc	Fe²⁺₃Si₄O₁₀(OH)₂	3411	669	0		61
Molybdenite ()*	Molybdenite	MoS₂	3411	669	2	220380,220465	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O			1	220379	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			2	220379,220462	17380
Neotocite ()*	Allophane	(Mn,Fe)SiO₃·H₂O (?)	3411	669	0		186
Nontronite ()*	Clay Smectite-vermiculite	Na_0.3Fe³⁺₂(Si,Al)₄O₁₀(OH)₂·nH₂O	3411	669	0		471
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O			1	220450	306
Plumbojarosite ()*	Alunite	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆			1	220407	477
Powellite ()*	Scheelite	Ca(MoO₄)	3411	669	1	220465	494
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			1	220379	1898
Pyrite ()*	Pyrite	FeS₂	3411	669	19	220369,220382,220383,220405,220407,220436,220437,220440,220441,220444,220446,220447,220448,220449,220450,220451,220452,220462,220465	39462
Pyrolusite ()*	Rutile	MnO₂			3	220380,220446,220447	3106
Pyromorphite ()*	Apatite	Pb₅(PO₄)₃Cl			1	220407	1725
Quartz ()*	Quartz	SiO₂			9	220371,220379,220380,220381,220407,220408,220440,220448,220462	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	3411	669	0		1711
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂			1	220372	375
Romanèchite ()*	None	(Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀			6	220379,220380,220401,220403,220433,220454	312
Scheelite ()*	Scheelite	Ca(WO₄)	3411	669	1	220465	4894
Siderite ()*	Calcite	Fe(CO₃)			2	220407,220408	6417
Silver ()*	Copper	Ag			1	220462	5186
Sklodowskite ()*	None	Mg(UO₂)₂(SiO₃OH)₂·6H₂O	3411	669	1	220465	56
Sphalerite ()*	Sphalerite	ZnS			1	220407	21482
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O			1	220379	456
Szaibélyite ()*	None	MgBO₂(OH)			1	220440	87
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	3411	669	0		3337
Titanite ()*	Titanite	CaTi(SiO₄)O	3366	1294	2	220458,220467	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	3411	669	2	220377,220466	2562
Uraninite ()*	Fluorite	UO₂	3411	669	1	220465	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	3411	669	1	220465	890
Wulfenite ()*	Scheelite	PbMoO₄	3411	669	1	220465	1655
Zircon ()*	Zircon	Zr(SiO₄)	3366	1294	2	220375,220467	5251

89 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	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
USGS-Rb-Sr-00728	2792.82	2512.82	2652.82±140	Rb-Sr	age of intrusion		whole rock				123955	Penokee Group, Ironwood, Gogebic Iron Range, Gogebic Co., Michigan, USA		USGS-Rb-Sr		USGS-Rb-Sr
sedcu-00656	1500	1500	M. Proterozoic							Cu	123960	Presque Isle Syncline Occurrence (Western Syncline; Amax Michigan), Keweenaw Copper, Gogebic Co., Michigan, USA	Presque Isle	Cox et al. (2003)		USGSOFR03_107
Kaitlynn000106	2647	2647		206Pb/238U	Formation of cooling of tonalitic gneiss		biotite	Dl042			225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000107	2732	2732		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	Dl042	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000108	2576	2576		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	Dl042	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000109	2830	2830		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000110	2507	2507		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000111	1451	1451		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000112	2670	2670		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000114	3009	3009		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000115	2276	2276		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000116	2021	2021		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-112	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000117	1752	1752		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-48	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000118	2194	2194		206Pb/238U	Formation of cooling of tonalitic gneiss	low	zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000119	1411	1411		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000120	1294	1294		206Pb/238U	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000219	3073	3073		207Pb/235U	Formation of cooling of tonalitic gneiss		biotite	Dl042			225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000220	3107	3107		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	Dl042	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000221	3006	3006		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	Dl042	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000222	3180	3180		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000223	3064	3064		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000224	2487	2487		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000225	3122	3122		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000227	3210	3210		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000228	2797	2797		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000229	2243	2243		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-112	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000230	1753	1753		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-48	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000231	2360	2360		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000232	1723	1723		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000233	1637	1637		207Pb/235U	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000239	3366	3366		207Pb/206Pb	Formation of cooling of tonalitic gneiss		biotite	Dl042			225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000240	3361	3361		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	Dl042	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000241	3309	3309		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	Dl042	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000242	3411	3411		207Pb/206Pb	Formation of cooling of tonalitic gneiss	high	zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000246	3351	3351		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000247	3340	3340		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000248	3199	3199		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000249	2454	2454		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	M-112	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000250	1757	1757		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	M-48	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000251	2510	2510		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000252	2128	2128		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000253	2113	2113		207Pb/206Pb	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000259	3177	3177		208Pb/232Th	Formation of cooling of tonalitic gneiss		biotite	Dl042			225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000260	3252	3252		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	Dl042	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000261	2808	2808		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	Dl042	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000262	3402	3402		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000265	3300	3300		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000267	3359	3359		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000268	2899	2899		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-83	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000269	2651	2651		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-112	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000270	1550	1550		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-48	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000271	2218	2218		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000272	1130	1130		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
Kaitlynn000273	669	669		208Pb/232Th	Formation of cooling of tonalitic gneiss		zircon	M-45H	Zircon		225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Peterman et al. (1980)	10.1130/SPE182-p125	GSA182_125
sedcu-00658	2000	2000	Lower Proterozoic							Cu	225412	Watersmeet, Gogebic Co., Michigan, USA	Watersmeet	Cox et al. (2003)		USGSOFR03_107
USGS-Rb-Sr-00714	1772.86	1672.86	1722.86±50	Rb-Sr	age of later metamorphism		whole rock				125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-00715	2799.65	2799.65	2799.65	Rb-Sr	minimum age of metamorphic crystallization		whole rock				125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-00716	1772.86	1672.86	1722.86±50	Rb-Sr	age of intrusion		whole rock				125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-00717	1772.86	1672.86	1722.86±50	Rb-Sr	age of later metamorphism		whole rock				125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-00718	1772.86	1672.86	1722.86±50	Rb-Sr	age of later metamorphism		whole rock				125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-00719	1763.07	1663.07	1713.07±50	Rb-Sr	age of later metamorphism		plagioclase				125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-Rb-Sr-00720	1871.95	1771.95	1821.95±50	Rb-Sr	age of later metamorphism		microcline		Microcline		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-Rb-Sr		USGS-Rb-Sr
USGS-U-Th-Pb-00826_206_238	2194	2194	2194	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00826_207_206	2510	2510	2510	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00826_207_235	2360	2360	2360	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00827_206_238	1411	1411	1411	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00827_207_206	2128	2128	2128	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00827_207_235	1723	1723	1723	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00828_206_238	1294	1294	1294	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00828_207_206	2113	2113	2113	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00828_207_235	1637	1637	1637	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00829_206_238	2647	2647	2647	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00829_207_206	3366	3366	3366	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00829_207_235	3073	3073	3073	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00830_206_238	2732	2732	2732	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00830_207_206	3361	3361	3361	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00830_207_235	3107	3107	3107	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00831_206_238	2576	2576	2576	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00831_207_206	3309	3309	3309	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00831_207_235	3006	3006	3006	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00832_206_238	2647	2647	2647	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00832_207_206	3366	3366	3366	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00832_207_235	3073	3073	3073	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00833_206_238	2732	2732	2732	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00833_207_206	3361	3361	3361	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00833_207_235	3107	3107	3107	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00834_206_238	2576	2576	2576	206_238			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00834_207_206	3309	3309	3309	207_206			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-00834_207_235	3006	3006	3006	207_235			zircon		Zircon		125444	Watersmeet Dome, Gogebic Co., Michigan, USA		USGS-U-Th-Pb		USGS-U-Th-Pb

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...