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:
Archer Camp, New Idria District, Diablo Range, Fresno Co., California, USA

Oldest recorded age at locality: 5.3
Youngest recorded age at locality: 0

mindat Locality ID: 251924
mindat URL: http://www.mindat.org/loc-251924.html

Tectonic Settings:

Total number of sublocalities beneath "Archer Camp, New Idria District, Diablo Range, Fresno Co., California, USA": 18
Total number of bottom-level sublocalities: 18

Number of Child Localities: 18
Child Localities:
Archer Mine
Atlas Asbestos Co. Mine (Santa Cruz Mill; Hidden Splendor)
James-Corbett Mine (Corbett-Byles Mine)
Jones-Thickstum Mine
Lot No. 8 Mine
S P No. 1 Occurrence
Todd Prospect
Unnamed Amphibole Occurrence [1]
Unnamed Asbestos Occurrence [5]
Unnamed Asbestos Occurrence [6]
Unnamed Cr Occurrence [5]
Unnamed Garnet-Clinochlore Occurrence [1]
Unnamed Ni Occurrence [1]
Unnamed V-Fe Occurrence [1]
Unnamed Zeolite Occurrence [1]
Webb & Mingus Deposit
Webb & Mingus Property (Pioneer Claim)
White Creek Magnesite Mine

Latitude: 36°17'54"N
Longitude: 120°34'15"W
Decimal Degree (lat, lon): 36.298333333333,-120.57083333333

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.

Amphibole	Analcime	Calcite	Chlorite	Clay	Feldspar	Garnet	Hydrotalcite	Marcasite	Natrolite
None	Pyrite	Pyroxene	Quartz	Sphalerite	Spinel	Talc	Tridymite

Aegirine ()*	Albite ()*	Analcime ()*	Andradite ()*	Calcite ()*
Chromite ()*	Cinnabar ()*	Clinochlore ()*	Coulsonite ()*	Ferro-hornblende ()*
Heazlewoodite ()*	Magnesite ()*	Magnetite ()*	Marcasite ()*	Metacinnabar ()*
Natrolite ()*	Nepheline ()*	Pyrite ()*	Pyroaurite ()*	Quartz ()*
Reevesite ()*	Talc ()*	Uvarovite ()*

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 C Ca Cr Fe H Hg K Mg Na Ni O S Si V

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Analcime Calcite Chlorite Clay Feldspar Garnet Hydrotalcite Marcasite Natrolite
None Pyrite Pyroxene Quartz Sphalerite Spinel Talc Tridymite

23 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	5.3	1	155702	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	5.3	1	155702	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	5.3	1	155702	1627
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	5.3	1	155699	1534
Calcite ()*	Calcite	Ca(CO₃)	5.3	2	155688,155690	27770
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	5.3	1	155690	3902
Cinnabar ()*	None	HgS	5.3	1	155688	2600
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	5.3	1	155699	1756
Coulsonite ()*	Spinel	Fe²⁺V³⁺₂O₄	5.3	1	155701	16
Ferro-hornblende ()*	Amphibole	Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂	5.3	2	155695,155702	271
Heazlewoodite ()*	None	Ni₃S₂	5.3	1	155700	205
Magnesite ()*	Calcite	Mg(CO₃)	5.3	3	155690,155703,155705	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	5.3	2	155690,155701	14899
Marcasite ()*	Marcasite	FeS₂	5.3	1	155688	5674
Metacinnabar ()*	Sphalerite	HgS	5.3	1	155688	255
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	5.3	1	155702	1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	5.3	1	155702	884
Pyrite ()*	Pyrite	FeS₂	5.3	1	155688	39462
Pyroaurite ()*	Hydrotalcite	Mg₆Fe³⁺₂(CO₃)(OH)₁₆·4H₂O	5.3	1	155700	89
Quartz ()*	Quartz	SiO₂	5.3	1	155688	61156
Reevesite ()*	Hydrotalcite	Ni₆Fe³⁺₂(CO₃)(OH)₁₆·4H₂O	5.3	1	155700	48
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	5.3	1	155690	3337
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	5.3	1	155690	212

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
	Hg-00130	5.3	0		?-?						Yes		Cinnabar, Metacinnabar	Hg	209927	New Idria District, Diablo Range, Fresno Co., California, USA	California Mercury Occurrences	Studemeister (1984)	10.1007/BF00199786	MD19_202

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...