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 Area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA

mindat Locality ID: 228900
mindat URL: http://www.mindat.org/loc-228900.html

Tectonic Settings:

Total number of sublocalities beneath "Castle Rock Springs Area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA": 34
Total number of bottom-level sublocalities: 32

Number of Child Localities: 30
Child Localities:
Anna Belcher Prospect (Ann Belcher Prospect; Lucky Stone Prospect)
Archambeau Prospect (Lucky Strike)
Bacon Consolidated Mine
Baker Ranch Property
Boston Group
Cinnabar King Group
Contact Mine (Walker; Queen Group)
Crystal Mine (Red Cloud Mine; Pacific Mine; Abbey Mine)
Denver And Hope Mine
Eureka Mine (Flagstaff Mine)
Foss Prospect
Great Northern Prospect
Jimtown
Jumbo Mine (B & M Mine; Double Star Mine)
Last Chance And Young Denver Mine
Lookout
Mary Hurley Occurrence (Hurley)
McDonald Prospect (McDonald Property)
Mericoma Mine
Mohawk Occurrence
Napa Mine
Occidental Mine
Old Chapman Occurrence
Pacific Group
Paul Warner Property (Warner Claim; Big Bluff)
Socrates Mine
Sonoma Company No. 27 Mine
Unnamed Mn Mine (4)
Warner And Clark Claim
Wheeler Prospect

Latitude: 38°44'24"N
Longitude: 122°45'12"W
Decimal Degree (lat, lon): 38.74,-122.75333333333

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	Baryte	Calcite	None	Pyrite	Quartz	Sphalerite	Spinel

Baryte ()*	Calcite ()*	Chromite ()*	Cinnabar ()*	Dolomite ()*
Edgarbaileyite ()*	Eglestonite ()*	Magnesite ()*	Mercury ()*	Metacinnabar ()*
Montroydite ()*	Opal ()*	Pyrite ()*	Quartz ()*	Rhodochrosite ()*
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: Ba C Ca Cl Cr Fe H Hg Mg Mn O S Se Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Baryte Calcite None Pyrite Quartz Sphalerite Spinel

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	1	180431	11547
Calcite ()*	Calcite	Ca(CO₃)	2	180408,180431	27770
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	180434	3902
Cinnabar ()*	None	HgS	16	180402,180406,180407,180408,180409,180410,180411,180416,180419,180420,180422,180424,180426,180428,180429,180431	2600
Dolomite ()*	None	CaMg(CO₃)₂	1	180431	9895
Edgarbaileyite ()*	None	Hg¹⁺₆Si₂O₇	1	180431	6
Eglestonite ()*	None	([Hg¹⁺]₂)₃OCl₃(OH)	1	180431	36
Magnesite ()*	Calcite	Mg(CO₃)	3	180408,180419,180431	1487
Mercury ()*	None	Hg	4	180408,180411,180416,180431	397
Metacinnabar ()*	Sphalerite	HgS	2	180411,180431	255
Montroydite ()*	None	HgO	1	180431	29
Opal ()*	Amorphous	SiO₂·nH₂O	2	180419,180431	2994
Pyrite ()*	Pyrite	FeS₂	2	180407,180431	39462
Quartz ()*	Quartz	SiO₂	3	180408,180411,180431	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	3	180405,180423,180430	1711
Tiemannite ()*	Sphalerite	HgSe	1	180431	83

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R070277	Socrates Mine, Castle Rock Springs Area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA	https://rruff.info/R070277

All locality data graciously provided by mindat.org

All age data...