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:
Homer District (May Lundy District; Lundy District), Mono Co., California, USA

Oldest recorded age at locality: 228
Youngest recorded age at locality: 216

mindat Locality ID: 247371
mindat URL: http://www.mindat.org/loc-247371.html

Tectonic Settings:

Total number of sublocalities beneath "Homer District (May Lundy District; Lundy District), Mono Co., California, USA": 36
Total number of bottom-level sublocalities: 32

Number of Child Localities: 3
Child Localities:
Gilcrest Peak
Lundy
Mount Scowden

Latitude: 38°0'53"N
Longitude: 119°14'59"W
Decimal Degree (lat, lon): 38.014722222222,-119.24972222222

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.

Allophane	Arsenopyrite	Copper	Nickeline	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Sphalerite
Spinel

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 Cl Cu Fe H O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Allophane Arsenopyrite Copper Nickeline None Not in a structural group Pyrite Quartz Rocksalt Sphalerite
Spinel

11 IMA Minerals at location:

Arsenopyrite ()*	Chlorargyrite ()*	Chrysocolla ()*	Cuprite ()*	Galena ()*
Gold ()*	Magnetite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*
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
Arsenopyrite ()*	Arsenopyrite	FeAsS			1	164277	9052
Chlorargyrite ()*	Rocksalt	AgCl	228	216	1	164257	1382
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	228	216	1	164257	3531
Cuprite ()*	Not in a structural group	Cu₂O	228	216	1	164257	2970
Galena ()*	Rocksalt	PbS	228	216	5	164257,164268,164270,164277,164283	24243
Gold ()*	Copper	Au			15	164260,164262,164267,164268,164270,164272,164273,164274,164276,164277,164278,164280,164282,164283,164284	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	228	216	2	164257,164277	14899
Pyrite ()*	Pyrite	FeS₂			3	164272,164277,164283	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	164283	9056
Quartz ()*	Quartz	SiO₂			14	164260,164262,164267,164268,164270,164272,164273,164274,164276,164277,164278,164280,164282,164284	61156
Sphalerite ()*	Sphalerite	ZnS			1	164277	21482

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	NAVDAT-130512	228	216	222±6					130512						209083	Lundy, Homer District (May Lundy District; Lundy District), Mono Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...