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

mindat Locality ID: 22972
mindat URL: http://www.mindat.org/loc-22972.html

Tectonic Settings:

Total number of sublocalities beneath "Cloverdale, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA": 28
Total number of bottom-level sublocalities: 22

Number of Child Localities: 22
Child Localities:
Alberts Ranch
Barnes Mine (Ardoin 1918)
Battenburg Refractory Mine
Black Ranch
Brush Deposit
Burgans Ranch Property (Burgaus Ranch)
Curmings Occurrence
Healdsburg Lode
Kolling Deposit (Creon Deposit)
Livermore Quicksilver Mine
Melville Ranch
Mercury Bank Mine
North Fork Little Sulphur Creek
North Of Cloverdale
Pattenburg Refractory Magnesite Mine
Shaw Ranch
Unnamed Hg Prospect (19)
Unnamed Magnesite Deposit (1)
Unnamed Magnesite Occurrence (3)
Unnamed Talc Occurrence (1)
Unspecified Ni Occurrence (1)
Yordi Ranch Deposit (Ekert Ranch)

Latitude: 38°48'7"N
Longitude: 122°59'36"W
Decimal Degree (lat, lon): 38.801944444444,-122.99333333333

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.

Adelite	Amorphous	Amphibole	Baryte	Calcite	Clay	Clinozoisite	Epidote	Lawsonite	Millerite
None	Pyrite	Pyroxene	Quartz	Rutile	Serpentine	Sphalerite	Spinel	Talc

Baryte ()*	Calcite ()*	Chromite ()*	Cinnabar ()*	Dolomite ()*
Epidote ()*	Hydromagnesite ()*	Idrialite ()*	Jadeite ()*	Lawsonite ()*
Magnesite ()*	Mercury ()*	Metacinnabar ()*	Millerite ()*	Omphacite ()*
Opal ()*	Pecoraite ()*	Pyrite ()*	Pyrolusite ()*	Quartz ()*
Talc ()*	Tremolite ()*	Vuagnatite ()*

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 Cr Fe H Hg Mg Mn Na Ni O S Si

Elements from minerals reported directly at this locality: Al Na O Si

Structural Groups for minerals in this locality:
Adelite Amorphous Amphibole Baryte Calcite Clay Clinozoisite Epidote Lawsonite Millerite
None Pyrite Pyroxene Quartz Rutile Serpentine Sphalerite Spinel Talc

23 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	180451	11547
Calcite ()*	Calcite	Ca(CO₃)	1	180451	27770
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	2	180439,180453	3902
Cinnabar ()*	None	HgS	4	180447,180449,180451,180452	2600
Dolomite ()*	None	CaMg(CO₃)₂	1	180447	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	180455	8173
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O	1	180463	341
Idrialite ()*	None	C₂₂H₁₄	1	180451	15
Jadeite ()*	Pyroxene	NaAlSi₂O₆	0		154
Lawsonite ()*	Lawsonite	CaAl₂(Si₂O₇)(OH)₂·H₂O	1	180455	121
Magnesite ()*	Calcite	Mg(CO₃)	13	180437,180438,180440,180442,180443,180444,180446,180448,180451,180456,180460,180461,180464	1487
Mercury ()*	None	Hg	1	180451	397
Metacinnabar ()*	Sphalerite	HgS	1	180451	255
Millerite ()*	Millerite	NiS	1	180451	1066
Omphacite ()*	Pyroxene	(Ca,Na)(Mg,Fe,Al)Si₂O₆	1	180455	229
Opal ()*	Amorphous	SiO₂·nH₂O	1	180447	2994
Pecoraite ()*	Clay Serpentine	Ni₃Si₂O₅(OH)₄	1	180451	40
Pyrite ()*	Pyrite	FeS₂	2	180447,180451	39462
Pyrolusite ()*	Rutile	MnO₂	1	180458	3106
Quartz ()*	Quartz	SiO₂	2	180447,180451	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	180462	3337
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	180452	2562
Vuagnatite ()*	Adelite	CaAlSiO₄(OH)	1	180455	14

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...