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:
Floyd Co., Virginia, USA

Oldest recorded age at locality: 1132
Youngest recorded age at locality: 895

mindat Locality ID: 105387
mindat URL: http://www.mindat.org/loc-105387.html

Tectonic Settings:

Total number of sublocalities beneath "Floyd Co., Virginia, USA": 100
Total number of bottom-level sublocalities: 83

Number of Child Localities: 57
Child Localities:
A. G. Vaughan Farm Deposit
A. L. Harter Deposit
Alum Phyllite
Alvin Hancock Deposit
Asbury T. Moles Farm Deposit
Barton Mine
Blue Ridge Parkway (Ridge)
Buffalo Mountain
Burk's Fork
Burton Scott Deposit
C. C. Harmon Deposit
C. Earl Turner Deposit
Camp Creek
Charles Turpin Tract
Check Quarry
Copper Valley
Duncan Phyllite Quarry
E. B. Mabry Deposit
Floyd
George L. Weddle Deposit
Grover Moles Deposit
H. O. Jessup Deposit
Hog Mountain
Indian Valley
Indian Valley Meteorite
J. J. Williams Farm
J. Otis Marshall Farm Deposit
Joseph G. Cochran Deposit
Laymon E. Jessup Deposit
Lick Fork
Lynchburg Formation
M. A. Mayberry Deposit
M. B. Dickerson Occurrence
Mabry Mill
Mack Moles Deposit
Macks Mountain
Mackusick Nickel Prospect (Hemlock Nickel Prospect; Lick Fork Deposit)
Mont Sutphin Deposit
Mylonite Quarry (MRDS - 10179033)
Phillips Ore Occurrence
Pine Creek Quarry (Agee Quarry)
Pizarro
R. H. Quesinberry Deposit
Shelors Mill
Slate Mountain Church
Southern Section-Blue Ridge Province
Terrys Fork
Terrys Fork Quarry
Tindall
Unnamed Asbestos Prospect (MRDS - 10252454)
Unnamed Locality
V. C. Poff Deposit
Wayogle Junction (Waogle Junction)
Willis
Willis (2)
Willis Phyllite
Willis Store

Latitude: 36°52'32"N
Longitude: 80°24'20"W
Decimal Degree (lat, lon): 36.875555555556,-80.405555555556

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.

Adelite	Amphibole	Arsenopyrite	Brookite	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Copper
Corrensite	Corundum	Covellite	Diaspore	Epidote	Feldspar	Fluorite	Garnet	Gypsum	Halotrichite
Lepidocrocite	Malachite	Melanterite	Mica	Molybdenite	Nickeline	None	Not in a structural group	Olivine	Pentlandite
Prehnite	Pyrite	Pyroxene	Quartz	Rocksalt	Roselite	Rutile	Scheelite	Sphalerite	Spinel
Staurolite	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 As Au C Ca Cr Cu F Fe H K Mg Mn Mo Na Ni O P Pb S Si Ti Zn Zr

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg O Si Ti

Structural Groups for minerals in this locality:
Adelite Amphibole Arsenopyrite Brookite Calcite Chalcopyrite Chlorite Clay Clinozoisite Copper
Corrensite Corundum Covellite Diaspore Epidote Feldspar Fluorite Garnet Gypsum Halotrichite
Lepidocrocite Malachite Melanterite Mica Molybdenite Nickeline None Not in a structural group Olivine Pentlandite
Prehnite Pyrite Pyroxene Quartz Rocksalt Roselite Rutile Scheelite Sphalerite Spinel
Staurolite Stilpnomelane Talc Titanite Zircon

56 IMA Minerals at location:

Almandine ()*	Anthophyllite ()*	Arsenopyrite ()*	Brookite ()*	Chalcocite ()*
Chalcopyrite ()*	Chromite ()*	Clinochlore ()*	Clinozoisite ()*	Conichalcite ()*
Copper ()*	Covellite ()*	Dolomite ()*	Enstatite ()*	Epidote ()*
Fluorite ()*	Forsterite ()*	Galena ()*	Gedrite ()*	Goethite ()*
Gold ()*	Graphite ()*	Gypsum ()*	Hematite ()*	Hydrobiotite ()*
Ilmenite ()*	Kröhnkite ()*	Kyanite ()*	Lepidocrocite ()*	Magnesite ()*
Magnetite ()*	Malachite ()*	Melanterite ()*	Microcline ()*	Molybdenite ()*
Muscovite ()*	Pentlandite ()*	Pickeringite ()*	Prehnite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Rutile ()*	Schreibersite ()*	Scorodite ()*
Silver ()*	Sphalerite ()*	Staurolite ()*	Stilpnomelane ()*	Talc ()*
Tephroite ()*	Titanite ()*	Violarite ()*	Wulfenite ()*	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
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			3	280803,280871,280883	2353
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			1	280882	718
Arsenopyrite ()*	Arsenopyrite	FeAsS			2	280857,280869	9052
Brookite ()*	Brookite	TiO₂	1132	895	0		700
Chalcocite ()*	None	Cu₂S			6	280859,280867,280868,280870,280871,280874	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			5	280862,280863,280869,280871,280872	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	280853	3902
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			2	280796,280831	1756
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			1	280850	1025
Conichalcite ()*	Adelite	CaCu(AsO₄)(OH)			1	280871	363
Copper ()*	Copper	Cu			1	280857	3846
Covellite ()*	Covellite	CuS			1	280871	4165
Dolomite ()*	None	CaMg(CO₃)₂	1132	895	0		9895
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1132	895	0		944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1132	895	0		8173
Fluorite ()*	Fluorite	CaF₂			1	280857	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	1132	895	0		1188
Galena ()*	Rocksalt	PbS	1132	895	3	280856,280861,280863	24243
Gedrite ()*	Amphibole	Mg₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂			1	280817	178
Goethite ()*	Diaspore	FeO(OH)			3	280836,280866,280867	7437
Gold ()*	Copper	Au	1132	895	4	280856,280858,280860,280861	30554
Graphite ()*	None	C			1	280877	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			2	280796,280871	6890
Hematite ()*	Corundum	Fe₂O₃			1	280836	14640
Hydrobiotite ()*	Corrensite Clay	K(Mg,Fe²⁺)₆(Si,Al)₈O₂₀(OH)₄·nH₂O	1132	895	0		49
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1132	895	0		5433
Kröhnkite ()*	Roselite	Na₂Cu(SO₄)₂·2H₂O			1	280871	27
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1132	895	0		1507
Lepidocrocite ()*	Lepidocrocite	Fe³⁺O(OH)			1	280868	581
Magnesite ()*	Calcite	Mg(CO₃)	1132	895	0		1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			4	280859,280866,280869,280871	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			3	280857,280863,280871	12537
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O			2	280796,280871	915
Microcline ()*	Feldspar	K(AlSi₃O₈)	1132	895	0		4924
Molybdenite ()*	Molybdenite	MoS₂			1	280856	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			3	280803,280857,280883	17380
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			3	280836,280872,280873	1512
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O			2	280796,280815	265
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			1	280816	1898
Pyrite ()*	Pyrite	FeS₂			16	280836,280857,280858,280859,280860,280862,280863,280864,280866,280867,280868,280869,280870,280871,280873,280874	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			9	280856,280859,280862,280864,280866,280867,280869,280871,280873	9056
Quartz ()*	Quartz	SiO₂	1132	895	20	280794,280798,280800,280828,280831,280839,280854,280856,280857,280858,280860,280861,280863,280864,280867,280868,280869,280871,280874,280890	61156
Rutile ()*	Rutile	TiO₂			3	280828,280839,280890	5614
Schreibersite ()*	None	(Fe,Ni)₃P			1	280830	374
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O			1	280857	1153
Silver ()*	Copper	Ag			3	280855,280857,280863	5186
Sphalerite ()*	Sphalerite	ZnS			3	280862,280869,280871	21482
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			1	280837	978
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O			1	280891	456
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	280815	3337
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)			1	280871	240
Titanite ()*	Titanite	CaTi(SiO₄)O	1132	895	0		4899
Violarite ()*	Spinel	FeNi₂S₄			2	280836,280862	380
Wulfenite ()*	Scheelite	PbMoO₄			1	280857	1655
Zircon ()*	Zircon	Zr(SiO₄)			1	280857	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			2	280822,280853	1025

6 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-U-Th-Pb-01187_206_238	943	943	943	206_238	zircon	Zircon	103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01187_207_206	1129	1129	1129	207_206	zircon	Zircon	103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01187_207_235	996	996	996	207_235	zircon	Zircon	103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01188_206_238	895	895	895	206_238	zircon	Zircon	103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01188_207_206	1132	1132	1132	207_206	zircon	Zircon	103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-01188_207_235	962	962	962	207_235	zircon	Zircon	103674	Lester McAlexander Mine (Luster McAlexander Mine), Southern Section-Blue Ridge Province, Floyd Co., Virginia, 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...