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:
Mizpah Extension Mine, Tonopah, Tonopah District, San Antonio Mts, Nye Co., Nevada, USA

Oldest recorded age at locality: 76.3
Youngest recorded age at locality: 12.8

mindat Locality ID: 16422
mindat URL: http://www.mindat.org/loc-16422.html

Tectonic Settings:

Total number of sublocalities beneath "Mizpah Extension Mine, Tonopah, Tonopah District, San Antonio Mts, Nye Co., Nevada, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 38°4'30"N
Longitude: 117°13'"W
Decimal Degree (lat, lon): 38.075,-117.21666666667

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.

No IMA Minerals occur at this locality according to mindat

57 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
Kristen000121	66.7	51.9	59.3±7.4	fission track		sphene	SAgd-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000122	76.3	59.5	67.9±8.4	fission track		zircon	SAgd-1	Yes	Zircon		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000123	18.1	16.5	17.3±0.8	K-Ar		plagioclase	Mzwt-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000124	39	30.6	34.8±4.2	fission track		zircon	TF-2	Yes	Zircon		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000125	18.6	17.6	18.1±0.5	K-Ar	alteration age	alkali feldspar	OWT-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000126	35.2	27.6	31.4±3.8	fission track		zircon	OWT-1	Yes	Zircon		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000127	26	24.4	25.2±0.8	K-Ar		biotite	Mc-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000128	24.7	23.3	24±0.7	K-Ar		plagioclase	Mc-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000129	26.6	25	25.8±0.8	K-Ar		biotite	Taf2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000130	27.1	21.5	24.3±2.8	fission track		zircon	TF-1	Yes	Zircon		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000131	21.3	19.7	20.5±0.8	K-Ar		biotite	GC-135	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000132	21	19.8	20.4±0.6	K-Ar		biotite	T 219	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000133	17.4	16.4	16.9±0.5	K-Ar	alteration age	biotite	74 MLS-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000134	16.6	15.6	16.1±0.5	K-Ar	alteration age	sanidine	TFR2-1	Yes	Sanidine		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000135	17.5	16.1	16.8±0.7	K-Ar	alteration age	biotite	TFR2-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000136	20	19.2	19.6±0.4	K-Ar		glass	SS-25	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000137	20.5	19.3	19.9±0.6	K-Ar	alteration age	alkali feldspar	TV-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000138	19.8	19.6	19.7±0.1	K-Ar		alkali feldspar	TFR-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000139	22.1	20.9	21.5±0.6	K-Ar		biotite	TFR-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000140	18.8	17.6	18.2±0.6	K-Ar		alkali feldspar	TV-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000141	17.4	16.8	17.1±0.3	K-Ar		biotite	USGS-(M)-11549-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000142	17.2	16.6	16.9±0.3	K-Ar		sanidine	USGS-(M)-11549-1	Yes	Sanidine		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000143	19.8	18.6	19.2±0.6	K-Ar		sanidine	R-1	Yes	Sanidine		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000146	17.7	16.3	17±0.7	K-Ar	alteration age	whole rock	T-229	Yes		Quartz	26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000147	19.9	19.1	19.5±0.4	K-Ar		sanidine	SIE-1	Yes	Sanidine		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000148	17.1	15.1	16.1±1	K-Ar		biotite	SIE-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000149	16.8	15.6	16.2±0.6	K-Ar		whole rock	SIE-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000150	21.2	18.8	20±1.2	K-Ar		alkali feldspar	SIE-3A	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000151	17.1	13.9	15.5±1.6	K-Ar		biotite	AD-34	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000152	17.4	16.4	16.9±0.5	K-Ar		biotite	11550-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000153	17	16	16.5±0.5	K-Ar		biotite	Od-1-Bo	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000154	16.6	15.8	16.2±0.4	K-Ar		sanidine	659-66	Yes	Sanidine		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000155	16.6	15.8	16.2±0.4	K-Ar		biotite	659-66	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000156	16.6	15.6	16.1±0.5	K-Ar		sanidine	BQL-1	Yes	Sanidine		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000157	16.5	15.5	16±0.5	K-Ar		biotite	BQL-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000158	14.9	14.1	14.5±0.4	K-Ar		alkali feldspar	BQL-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000159	13.6	12.8	13.2±0.4	K-Ar		biotite	BQL-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000160	17.3	16.3	16.8±0.5	K-Ar		biotite	D-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000161	17.4	15.8	16.6±0.8	K-Ar		hornblende	D-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000162	15.3	14.5	14.9±0.4	K-Ar		plagioclase	D-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000163	17.6	16.2	16.9±0.7	K-Ar		hornblende	D-3	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000164	16.4	15.4	15.9±0.5	K-Ar		whole rock	L-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000165	17	15.6	16.3±0.7	K-Ar		biotite	FBR-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000166	15.4	14.2	14.8±0.6	K-Ar		hornblende	HL-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000167	15.9	15.5	15.7±0.2	K-Ar	alteration age	sericite	TD-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000168	15.9	15.5	15.7±0.2	K-Ar	alteration age	chlorite	TD-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000169	15.9	14.7	15.3±0.6	K-Ar	alteration age	sericite	TD-3	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000170	16.3	15.3	15.8±0.5	K-Ar	alteration age	muscovite	THA 6	Yes	Muscovite		26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000171	16.9	15.9	16.4±0.5	K-Ar	alteration age	whole rock	THA 25R	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000172	16.8	15.8	16.3±0.5	K-Ar	hydrothermal alteration age	adularia	THA 25C	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000173	17.2	16.2	16.7±0.5	K-Ar		biotite	USGS(M)-12789-75	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000174	17.3	16.3	16.8±0.5	K-Ar		hornblende	USGS(M)-12789-75	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000175	16.3	15.1	15.7±0.6	K-Ar		hornblende	LM-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000176	17.4	15.8	16.6±0.8	K-Ar		plagioclase	LM-2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000177	16.3	15.3	15.8±0.5	K-Ar		hornblende	LM-3	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000178	16.3	15.3	15.8±0.5	K-Ar		whole rock	TM-1	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841
Kristen000179	15.6	14.6	15.1±0.5	K-Ar		hornblende	RMB 2	Yes			26993	Tonopah District, San Antonio Mts, Nye Co., Nevada, USA	Tonopah Mining District	Silberman et al. (1978)	USGSOFR78-841

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...