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:
Agnew Meadows, Madera Co., California, USA

Oldest recorded age at locality: 3.2
Youngest recorded age at locality: 3.1

mindat Locality ID: 248162
mindat URL: http://www.mindat.org/loc-248162.html

Tectonic Settings:

Total number of sublocalities beneath "Agnew Meadows, Madera Co., California, USA": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 1
Child Localities:
Olaine Lake

Latitude: 37°41'44"N
Longitude: 119°5'39"W
Decimal Degree (lat, lon): 37.695555555556,-119.09416666667

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.

Calcite	Chalcopyrite	Clinozoisite	Copper	Corundum	Epidote	Humite	Nickeline	None	Pyrite
Rhodonite	Sphalerite	Spinel	Wollastonite

Bustamite ()*	Calcite ()*	Chalcopyrite ()*	Epidote ()*	Hematite ()*
Magnetite ()*	Manganhumite ()*	Metamunirite ()*	Piemontite ()*	Pyrite ()*
Pyrrhotite ()*	Rhodochrosite ()*	Rhodonite ()*	Silver ()*	Sphalerite ()*

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 C Ca Cu Fe H Mn Na O S Si V Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Clinozoisite Copper Corundum Epidote Humite Nickeline None Pyrite
Rhodonite Sphalerite Spinel Wollastonite

15 IMA Minerals at location:

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
Bustamite ()*	Wollastonite	Mn₂Ca₂MnCa(Si₃O₉)₂			1	161939	101
Calcite ()*	Calcite	Ca(CO₃)			1	161939	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	161945	27198
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			1	161939	8173
Hematite ()*	Corundum	Fe₂O₃			1	161939	14640
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	161939	14899
Manganhumite ()*	Humite	Mn²⁺₇(SiO₄)₃(OH)₂			1	161939	14
Metamunirite ()*	None	NaV⁵⁺O₃	0	0	1	161939	14
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)			1	161939	260
Pyrite ()*	Pyrite	FeS₂			1	161939	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			1	161945	9056
Rhodochrosite ()*	Calcite	Mn(CO₃)			1	161939	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			1	161939	969
Silver ()*	Copper	Ag			1	161945	5186
Sphalerite ()*	Sphalerite	ZnS			1	161945	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-48231	3.2	3.1	3.15±0.05					48231						81832	Waage Group (Wage Group), Olaine Lake, Agnew Meadows, Madera Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...