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:
Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA

Oldest recorded age at locality: 385
Youngest recorded age at locality: 288

mindat Locality ID: 130353
mindat URL: http://www.mindat.org/loc-130353.html

Tectonic Settings:

Total number of sublocalities beneath "Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA": 9
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Immel Zinc Mine
Loves Creek Prospect
Mascot - Jefferson City District
McMillan East Prospect
McMillan West Prospect
Spout Hollow Pit
Woods Creek Prospect
Zinc Prospect (MRDS - 10154103)
Zinc Prospect (MRDS - 10178627)

Latitude: 36°2'58"N
Longitude: 83°46'16"W
Decimal Degree (lat, lon): 36.049444444444,-83.771111111111

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.

Calcite	Chalcopyrite	Fluorite	Gypsum	Marcasite	None	Not in a structural group	Pyrite	Quartz	Rocksalt
Sphalerite

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: C Ca Cu F Fe H Mg O Pb S Si Zn

Elements from minerals reported directly at this locality: Ca F Fe H O S

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Fluorite Gypsum Marcasite None Not in a structural group Pyrite Quartz Rocksalt
Sphalerite

12 IMA Minerals at location:

Anhydrite ()*	Calcite ()*	Chalcopyrite ()*	Dolomite ()*	Fluorite ()*
Galena ()*	Gypsum ()*	Marcasite ()*	Pyrite ()*	Quartz ()*
Smithsonite ()*	Sphalerite ()*

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
Anhydrite ()*	Not in a structural group	Ca(SO₄)	385	288	0		1588
Calcite ()*	Calcite	Ca(CO₃)	385	288	2	268075,268076	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	385	288	1	268075	27198
Dolomite ()*	None	CaMg(CO₃)₂	385	288	2	268075,268076	9895
Fluorite ()*	Fluorite	CaF₂	385	288	0		9617
Galena ()*	Rocksalt	PbS	385	288	1	268075	24243
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	385	288	0		6890
Marcasite ()*	Marcasite	FeS₂	385	288	0		5674
Pyrite ()*	Pyrite	FeS₂	385	288	2	268075,268076	39462
Quartz ()*	Quartz	SiO₂	385	288	1	268075	61156
Smithsonite ()*	Calcite	Zn(CO₃)	385	288	3	268078,268079,268080	2473
Sphalerite ()*	Sphalerite	ZnS	385	288	4	268075,268076,268078,268079	21482

10 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Dating Method	Age Interpret	Sample Source	Sample Num	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
GCA57_417-00001	347	347	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	1	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00003	318	318	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	2	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00005	349	349	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	3	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00007	357	357	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	4	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00009	288	288	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	I17L	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00011	298	298	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	I17D	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00013	309	309	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	I23	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00015	329	329	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	I24-1	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00017	338	338	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	I24-2	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417
GCA57_417-00019	385	385	Rb-Sr	Apparent sphalerite fluid Age (Ma) calculated for leachate-sphalerite pairs (r and l)	sphalerite	I24-3	Sphalerite	128963	Immel Zinc Mine, Mascot-Jefferson City Zinc District, Knox Co., Tennessee, USA	Immel mine, East Tennessee	Nakai et al. (1993)	10.1016/0016-7037(93)90440-8	GCA57_417

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...