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:
Nevada Mica Mine, Gold Butte District, Clark Co., Nevada, USA

Oldest recorded age at locality: 1682
Youngest recorded age at locality: 785

mindat Locality ID: 61695
mindat URL: http://www.mindat.org/loc-61695.html

Tectonic Settings:

Total number of sublocalities beneath "Nevada Mica Mine, Gold Butte District, Clark Co., Nevada, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 36°11'21"N
Longitude: 114°13'21"W
Decimal Degree (lat, lon): 36.189166666667,-114.2225

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.

Clay	Mica	None

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: Al H K O Si

Elements from minerals reported directly at this locality: Al H K O Si

Structural Groups for minerals in this locality:
Clay Mica None

1 IMA Minerals at location:

Muscovite ()*

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
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1335	1185	0		17380

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000058	located in a tongue of country rock that is surrounded by rapakivi granite (2000 ft from nearest rapakivi pluton)
Jen_0000058a	located in a tongue of country rock that is surrounded by rapakivi granite (2000 ft from nearest rapakivi pluton)

3 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	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Bradley_2012_045	1381	1357	1369±12	Ar/Ar		muscovite		Yes	Muscovite	36553	Gold Butte District, Clark Co., Nevada, USA	[Gold Butte]	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
Jen_0000058	1335	1185	1335-1185	K-Ar/Rb-Sr	age of intrusion	muscovite	N-23		Muscovite	61695	Nevada Mica Mine, Gold Butte District, Clark Co., Nevada, USA	Nevada Mica Mine	Wasserburg and Lanphere (1965)	10.1130/0016-7606(1965)76[735:ADITPO]2.0.CO;2	GSAB76_735	intrusion of younger granite into older metamorphic terrain
Jen_0000058a	1682	785	1682-785	K-Ar/Rb-Sr	age of intrusion	microcline	N-25		Microcline	61695	Nevada Mica Mine, Gold Butte District, Clark Co., Nevada, USA	Nevada Mica Mine	Wasserburg and Lanphere (1965)	10.1130/0016-7606(1965)76[735:ADITPO]2.0.CO;2	GSAB76_735	intrusion of younger granite into older metamorphic terrain

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...