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:
Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA

Oldest recorded age at locality: 2.9
Youngest recorded age at locality: 0

mindat Locality ID: 230386
mindat URL: http://www.mindat.org/loc-230386.html

Tectonic Settings:

Total number of sublocalities beneath "Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA": 16
Total number of bottom-level sublocalities: 16

Number of Child Localities: 16
Child Localities:
Bacon Consolidated Mine (Barnum Mine)
Big Chief Mine
Big Injun Mine
Chicago Mine (St. Louis Mine; Ural Mine; Pittsburg Mine)
Hays Mine
Helen Mine (Helen Mine Group; Dead Broke Mine; American Mine)
Jewess Mine (Franklin Mine)
Mead Prospect
Research Mine
Reynolds Occurrence
Spring Hill
Thorne Mine (Bear Canyon)
Unnamed Cu Occurrence (2)
Unnamed Hg Occurrence (9)
Unnamed Limestone Occurrence (1)
Wall Street Mine (Cincinnati Mine; Nevada Mine)

Latitude: 38°45'29"N
Longitude: 122°41'47"W
Decimal Degree (lat, lon): 38.758055555556,-122.69638888889

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.

Amorphous	Amphibole	Aragonite	Calcite	Epsomite	Marcasite	None	Pyrite	Quartz	Sphalerite

Aragonite ()*	Calcite ()*	Cinnabar ()*	Dolomite ()*	Epsomite ()*
Glaucophane ()*	Idrialite ()*	Magnesite ()*	Marcasite ()*	Mercury ()*
Metacinnabar ()*	Opal ()*	Pyrite ()*	Quartz ()*	Tiemannite ()*

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 Fe H Hg Mg Na O S Se Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Amphibole Aragonite Calcite Epsomite Marcasite None Pyrite Quartz Sphalerite

15 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
Aragonite ()*	Aragonite	Ca(CO₃)	2.9	1	160656	3250
Calcite ()*	Calcite	Ca(CO₃)	2.9	1	160654	27770
Cinnabar ()*	None	HgS	2.9	10	160651,160652,160653,160654,160655,160656,160657,160659,160662,160666	2600
Dolomite ()*	None	CaMg(CO₃)₂	2.9	1	160653	9895
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	2.9	1	160656	484
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	2.9	1	160666	286
Idrialite ()*	None	C₂₂H₁₄	2.9	2	160656,160659	15
Magnesite ()*	Calcite	Mg(CO₃)	2.9	1	160654	1487
Marcasite ()*	Marcasite	FeS₂	2.9	1	160656	5674
Mercury ()*	None	Hg	2.9	4	160653,160654,160656,160666	397
Metacinnabar ()*	Sphalerite	HgS	2.9	1	160656	255
Opal ()*	Amorphous	SiO₂·nH₂O	2.9	1	160656	2994
Pyrite ()*	Pyrite	FeS₂	2.9	2	160656,160659	39462
Quartz ()*	Quartz	SiO₂	2.9	3	160653,160654,160666	61156
Tiemannite ()*	Sphalerite	HgSe	2.9	1	160656	83

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-00110	2.9	0		?-?						Yes		Cinnabar, Mercury, Metacinnabar, Schuetteite, Tiemannite	Hg	80795	East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA		Smith et al. (2008)	10.1016/j.epsl.2008.02.029	EPSL269_399

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...