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:
Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, USA

Oldest recorded age at locality: 239
Youngest recorded age at locality: 48

mindat Locality ID: 83316
mindat URL: http://www.mindat.org/loc-83316.html

Tectonic Settings:

Total number of sublocalities beneath "Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 37°39'24"N
Longitude: 118°35'1"W
Decimal Degree (lat, lon): 37.656666666667,-118.58361111111

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.

Copper	None	Quartz

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: Au O Si

Elements from minerals reported directly at this locality: Au O Si

Structural Groups for minerals in this locality:
Copper None Quartz

2 IMA Minerals at location:

Gold ()*	Quartz ()*

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
Gold ()*	Copper	Au	239	48	0		30554
Quartz ()*	Quartz	SiO₂	239	48	0		61156

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_464	Rhyolite dike cutting quartz-sericite hornfels, 0.4 km E of Moran Spring on road NE of peak 7489 See Table A1.

7 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	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Michelle_464	48	48	148	U-Pb	Preferred intrusive age	zircon	69	Zircon	83316	Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, USA	Near Moran Spring (dike)	Chen and Moore (1982)	10.1029/JB087iB06p04761	AJS299_93	See p. 4768, Table 2. Age group J (Jurassic 140-195 ma).
USGS-U-Th-Pb-01100_206_238	156.3	156.3	156.3	206_238		zircon		Zircon	83316	Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-01100_207_206	239	239	239	207_206		zircon		Zircon	83316	Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-01100_207_235	161.5	161.5	161.5	207_235		zircon		Zircon	83316	Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-01101_206_238	122.5	122.5	122.5	206_238		zircon		Zircon	83316	Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-01101_207_206	209	209	209	207_206		zircon		Zircon	83316	Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, USA		USGS-U-Th-Pb		USGS-U-Th-Pb
USGS-U-Th-Pb-01101_207_235	126.9	126.9	126.9	207_235		zircon		Zircon	83316	Reo Group (Red Group), Banner Ridge, Chidago District, Benton Range, Mono Co., California, 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...