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:
Junnila Mine (Junnila Claim), Santa Rita Peak, New Idria District, Diablo Range, San Benito Co., California, USA

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

mindat Locality ID: 3536
mindat URL: http://www.mindat.org/loc-3536.html

Tectonic Settings:

Total number of sublocalities beneath "Junnila Mine (Junnila Claim), Santa Rita Peak, New Idria District, Diablo Range, San Benito Co., California, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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	Amphibole	Analcime	Benitoite	Calcite	Clay	Copper	Covellite	Feldspar	Garnet
Joaquinite	Melilite	Natrolite	Neptunite	Nickeline	None	Quartz	Rocksalt	Smectite-vermiculite

Albite ()*	Analcime ()*	Andradite ()*	Anthophyllite ()*	Benitoite ()*
Calcite ()*	Chrysocolla ()*	Copper ()*	Covellite ()*	Djurleite ()*
Fresnoite ()*	Galena ()*	Montmorillonite ()*	Natrolite ()*	Neptunite ()*
Pyrrhotite ()*	Quartz ()*	Stevensite ()*	Strontiojoaquinite ()*

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 Ba C Ca Cu Fe H K Li Mg Na O Pb S Si Sr Ti

Elements from minerals reported directly at this locality: Al Ba C Ca Cu Fe H K Li Mg Na O Pb S Si Sr Ti

Structural Groups for minerals in this locality:
Allophane Amphibole Analcime Benitoite Calcite Clay Copper Covellite Feldspar Garnet
Joaquinite Melilite Natrolite Neptunite Nickeline None Quartz Rocksalt Smectite-vermiculite

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	5.3	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	5.3	1627
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	5.3	1534
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	5.3	718
Benitoite ()*	Benitoite	BaTiSi₃O₉	5.3	20
Calcite ()*	Calcite	Ca(CO₃)	5.3	27770
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	5.3	3531
Copper ()*	Copper	Cu	5.3	3846
Covellite ()*	Covellite	CuS	5.3	4165
Djurleite ()*	None	Cu₃₁S₁₆	5.3	300
Fresnoite ()*	Melilite	Ba₂TiO(Si₂O₇)	5.3	17
Galena ()*	Rocksalt	PbS	5.3	24243
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	5.3	1508
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	5.3	1236
Neptunite ()*	Neptunite	KNa₂LiFe²⁺₂Ti₂Si₈O₂₄	5.3	49
Pyrrhotite ()*	Nickeline	Fe₇S₈	5.3	9056
Quartz ()*	Quartz	SiO₂	5.3	61156
Stevensite ()*	Clay	(Ca,Na)_xMg_3-ySi₄O₁₀(OH)₂	5.3	57
Strontiojoaquinite ()*	Joaquinite	(Na,Fe)₂Ba₂Sr₂Ti₂(SiO₃)₈(O,OH)₂·H₂O	5.3	4

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-00045	5.3	0		?-?						Yes		Calomel, Cinnabar, Clearcreekite, Deanesmithite, Edgarbaileyite, Edoylerite, Gianellaite, Hanawaltite, Mercury, Metacinnabar, Montroydite, Mosesite, Peterbaylissite, Schuetteite, Szymanskiite, Tedhadleyite, Terlinguaite, Tiemannite, Wattersite, Eglestonite	Hg	6418	New Idria District, Diablo Range, San Benito 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...