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:
Washington Co., Missouri, USA

Oldest recorded age at locality: 1480
Youngest recorded age at locality: 485

mindat Locality ID: 24600
mindat URL: http://www.mindat.org/loc-24600.html

Tectonic Settings:

Total number of sublocalities beneath "Washington Co., Missouri, USA": 71
Total number of bottom-level sublocalities: 61

Number of Child Localities: 49
Child Localities:
Adams Property
Apex (Mineral Point; Pfizer Lease)
Arnault Branch
Arnault Mine
Big Four
Blackwell Area
Blackwell Mine
Blackwell Pit
Bliss
Buckman Laboratories Inc.
Desloge Land
Dresser Mine (Dresser Mine No. 6)
Dresser No.4 Mine (Dresser No.4)
Dresser No.7 Mine
Dry Bone Shaft
Faguaher Diggings
Fountain Farm Area
Hornsey Bros. Mine
Hughes Mountain Natural Area
Irondale
Kellogg Shaft
Keyes Branch
Keyes Branch Pit (Settle Mine)
Kingston Mine
Little Saturday Shaft
Milchem Mine
Mine à Breton
Mine à Robina
Mineral Point Area
Mineral Point Group
Old Mines Mine
Palmer Mines
Palmer Mines (Fourche-a-Cortois)
Parole Mine (Jumbo Shaft)
Pea Ridge Mine
Peach Orchard Diggings
Plant A (Missouri Mining Plant A)
Plant B (Missouri Mining Plant B)
Potosi Barite District
Poverty Flat Workings
Prewitt Mountain
Richwoods Barite District
Strawberry Diggings
Sun MIne
Tiff
Viburnum Trend District
Washington County Barite District
West Blackwell Property
Whaley - Scott Mine

Latitude: 37°57'58"N
Longitude: 90°47'21"W
Decimal Degree (lat, lon): 37.966111111111,-90.789166666667

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.

Alunite	Amphibole	Apatite	Aragonite	Baryte	Beryl	Calcite	Chalcopyrite	Chlorite	Clay
Clinozoisite	Cobaltite	Copper	Corundum	Covellite	Diaspore	Epidote	Feldspar	Fluorite	Garnet
Gypsum	Iron	Kaolinite	Malachite	Marcasite	Melonite	Mica	Millerite	Molybdenite	None
Not in a structural group	Palygorskite	Pyrite	Pyrophyllite	Quartz	Rocksalt	Rutile	Sepiolite	Serpentine	Sphalerite
Spinel	Spurrite-Afwillite	Sulphur	Tengerite	Titanite	Topaz	Vesuvianite	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 Ce Co Cu F Fe H K Mg Mo Na Ni O P Pb S Sc Si Sn Te Th Ti Y Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Amphibole Apatite Aragonite Baryte Beryl Calcite Chalcopyrite Chlorite Clay
Clinozoisite Cobaltite Copper Corundum Covellite Diaspore Epidote Feldspar Fluorite Garnet
Gypsum Iron Kaolinite Malachite Marcasite Melonite Mica Millerite Molybdenite None
Not in a structural group Palygorskite Pyrite Pyrophyllite Quartz Rocksalt Rutile Sepiolite Serpentine Sphalerite
Spinel Spurrite-Afwillite Sulphur Tengerite Titanite Topaz Vesuvianite Wurtzite Zircon

74 IMA Minerals at location:

Actinolite ()*	Afwillite ()*	Albite ()*	Altaite ()*	Anatase ()*
Andradite ()*	Anglesite ()*	Anhydrite ()*	Antigorite ()*	Aurichalcite ()*
Baryte ()*	Bazzite ()*	Bornite ()*	Britholite-(Ce) ()*	Calcite ()*
Cassiterite ()*	Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Chamosite ()*
Cobaltite ()*	Covellite ()*	Dickite ()*	Dolomite ()*	Epidote ()*
Fluorapatite ()*	Fluorite ()*	Galena ()*	Goethite ()*	Gold ()*
Greenockite ()*	Grunerite ()*	Gypsum ()*	Hematite ()*	Hemimorphite ()*
Hessite ()*	Iron ()*	Kaolinite ()*	Linnaeite ()*	Magnetite ()*
Malachite ()*	Marcasite ()*	Melonite ()*	Millerite ()*	Molybdenite ()*
Muscovite ()*	Orthoclase ()*	Palygorskite ()*	Gersdorffite-Pa3 ()*	Plumbogummite ()*
Polydymite ()*	Pyrite ()*	Pyrophyllite ()*	Quartz ()*	Riebeckite ()*
Rosasite ()*	Rutile ()*	Sepiolite ()*	Siegenite ()*	Silver ()*
Smithsonite ()*	Sphalerite ()*	Sulphur ()*	Sylvanite ()*	Tengerite-(Y) ()*
Thorite ()*	Titanite ()*	Topaz ()*	Tremolite ()*	Vesuvianite ()*
Witherite ()*	Xenotime-(Y) ()*	Zircon ()*	Zoisite ()*

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	1480	1480	1	226062	3419
Afwillite ()*	Spurrite-Afwillite	Ca₃[SiO₄][SiO₂(OH)₂]·2H₂O	1480	1480	1	226062	41
Albite ()*	Feldspar	Na(AlSi₃O₈)	1480	1480	1	226062	8803
Altaite ()*	Rocksalt	PbTe	1480	1480	1	226062	489
Anatase ()*	Not in a structural group	TiO₂	1480	1480	1	226062	2162
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1480	1480	1	226062	1534
Anglesite ()*	Baryte	Pb(SO₄)			5	226033,226054,226059,226060,226061	2734
Anhydrite ()*	Not in a structural group	Ca(SO₄)	1480	1480	1	226062	1588
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1480	1480	1	226062	708
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆			1	226033	919
Baryte ()*	Baryte	Ba(SO₄)	1480	1480	41	226024,226025,226026,226027,226028,226029,226030,226032,226033,226034,226036,226037,226038,226041,226042,226048,226049,226050,226051,226053,226054,226056,226057,226058,226060,226061,226062,226064,226065,226066,226068,226069,226072,226073,226074,226076,226085,226087,226089,226092,226093	11547
Bazzite ()*	Beryl	Be₃(Sc,Fe³⁺,Mg)₂Si₆O₁₈·Na_0.32·nH₂O	1480	1480	1	226062	51
Bornite ()*	None	Cu₅FeS₄	1480	1480	1	226062	5516
Britholite-(Ce) ()*	Apatite	(Ce,Ca)₅(SiO₄)₃(OH)	1480	1480	1	226062	115
Calcite ()*	Calcite	Ca(CO₃)	1480	485	21	226032,226036,226037,226039,226048,226051,226053,226054,226059,226060,226062,226068,226069,226078,226080,226081,226082,226083,226084,226085,226087	27770
Cassiterite ()*	Rutile	SnO₂	1480	1480	1	226062	5171
Cerussite ()*	Aragonite	Pb(CO₃)			6	226033,226054,226059,226060,226068,226069	4979
Chalcocite ()*	None	Cu₂S	1480	1480	1	226062	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1480	485	23	226024,226025,226027,226028,226029,226034,226036,226042,226049,226053,226056,226058,226062,226064,226065,226074,226080,226081,226082,226084,226085,226087,226092	27198
Chamosite ()*	Chlorite Clay	(Fe²⁺,Mg,Al,Fe³⁺)₆(Si,Al)₄O₁₀(OH,O)₈	1480	1480	1	226062	577
Cobaltite ()*	Cobaltite	CoAsS	1480	1480	1	226062	966
Covellite ()*	Covellite	CuS	1480	1480	1	226062	4165
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			3	226080,226081,226084	651
Dolomite ()*	None	CaMg(CO₃)₂	1480	1480	29	226025,226027,226028,226029,226033,226034,226037,226042,226048,226049,226051,226056,226058,226059,226060,226061,226062,226064,226065,226068,226069,226070,226074,226080,226081,226084,226085,226087,226092	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1480	485	2	226062,226082	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1480	1480	1	226062	2740
Fluorite ()*	Fluorite	CaF₂	1480	1480	1	226062	9617
Galena ()*	Rocksalt	PbS	1480	485	49	226024,226025,226027,226028,226029,226032,226033,226034,226036,226037,226039,226040,226042,226046,226047,226048,226049,226051,226052,226053,226054,226055,226056,226057,226058,226059,226060,226061,226062,226063,226064,226065,226066,226068,226069,226070,226072,226073,226074,226080,226081,226082,226084,226085,226087,226089,226090,226091,226092	24243
Goethite ()*	Diaspore	FeO(OH)			4	226032,226059,226060,226066	7437
Gold ()*	Copper	Au	1480	1480	1	226062	30554
Greenockite ()*	Wurtzite	CdS			1	226069	717
Grunerite ()*	Amphibole	Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂	1480	1480	1	226062	223
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1480	1480	1	226062	6890
Hematite ()*	Corundum	Fe₂O₃	1480	1480	1	226062	14640
Hemimorphite ()*	Not in a structural group	Zn₄(Si₂O₇)(OH)₂·H₂O			2	226059,226060	1689
Hessite ()*	None	Ag₂Te	1480	1480	1	226062	804
Iron ()*	Iron	Fe			1	226051	1089
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			2	226081,226084	5591
Linnaeite ()*	Spinel	Co²⁺Co³⁺₂S₄			2	226081,226084	249
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1480	1480	1	226062	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	497	485	3	226032,226033,226082	12537
Marcasite ()*	Marcasite	FeS₂	497	485	13	226023,226024,226036,226051,226053,226068,226069,226081,226082,226084,226085,226087,226089	5674
Melonite ()*	Melonite	NiTe₂	1480	1480	1	226062	207
Millerite ()*	Millerite	NiS	1480	1480	2	226062,226084	1066
Molybdenite ()*	Molybdenite	MoS₂	1480	1480	1	226062	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1480	1480	1	226062	17380
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1480	1480	1	226062	2349
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O	1480	1480	1	226062	306
Gersdorffite-Pa3 ()*	Pyrite	NiAsS			1	226084	767
Plumbogummite ()*	Alunite	PbAl₃(PO₄)(PO₃OH)(OH)₆			1	226059	170
Polydymite ()*	Spinel	Ni²⁺Ni³⁺₂S₄			1	226084	131
Pyrite ()*	Pyrite	FeS₂	1480	485	21	226024,226032,226033,226036,226037,226039,226048,226051,226053,226059,226060,226061,226062,226066,226080,226081,226082,226084,226085,226087,226089	39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂			1	226054	771
Quartz ()*	Quartz	SiO₂	1480	485	34	226024,226025,226027,226028,226029,226032,226033,226034,226036,226037,226042,226051,226053,226056,226058,226059,226060,226062,226064,226065,226066,226067,226068,226069,226072,226074,226076,226080,226081,226082,226084,226085,226087,226092	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	1480	1480	1	226062	375
Rosasite ()*	Malachite	CuZn(CO₃)(OH)₂			1	226033	454
Rutile ()*	Rutile	TiO₂	1480	1480	1	226062	5614
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	1480	1480	1	226062	241
Siegenite ()*	Spinel	CoNi₂S₄			1	226080	249
Silver ()*	Copper	Ag	497	485	1	226082	5186
Smithsonite ()*	Calcite	Zn(CO₃)			7	226032,226033,226040,226063,226066,226072,226085	2473
Sphalerite ()*	Sphalerite	ZnS	1480	485	19	226024,226032,226033,226036,226039,226048,226053,226059,226060,226062,226066,226068,226069,226080,226081,226082,226084,226085,226089	21482
Sulphur ()*	Sulphur	S			1	226033	2045
Sylvanite ()*	Melonite	AgAuTe₄	1480	1480	1	226062	337
Tengerite-(Y) ()*	Tengerite	Y₂(CO₃)₃·2-3H₂O	1480	1480	1	226062	24
Thorite ()*	Zircon	Th(SiO₄)	1480	1480	1	226062	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	1480	1480	1	226062	4899
Topaz ()*	Topaz	Al₂SiO₄F₂	1480	1480	1	226062	1476
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1480	1480	1	226062	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1480	1480	1	226062	1395
Witherite ()*	Aragonite	Ba(CO₃)			1	226066	251
Xenotime-(Y) ()*	Zircon	Y(PO₄)	1480	1480	1	226062	939
Zircon ()*	Zircon	Zr(SiO₄)	1480	1480	1	226062	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1480	1480	1	226062	1025

2 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
	ree-00676	1480	1480	1.48 Ga											3868	Pea Ridge Mine, Washington Co., Missouri, USA	Pea Ridge	Orris and Grauch (2002)		USGSOFR02_189
	sedexmvt-00227	497	485	Late Cambrian		host rock age									11958	Indian Creek Mine, Ebo, Viburnum Trend District, Washington Co., Missouri, USA	Indian Creek	Taylor et al. (2009)		USGSOFR2009_1297

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...