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:
Unnamed Eclogite Occurrence (1), Healdsburg, Sonoma Co., California, USA

mindat Locality ID: 65069
mindat URL: http://www.mindat.org/loc-65069.html

Tectonic Settings:

Total number of sublocalities beneath "Unnamed Eclogite Occurrence (1), Healdsburg, Sonoma 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.

Amphibole	Aragonite	Clay	Clinozoisite	Corundum	Epidote	Garnet	Mica	None	Pyroxene
Quartz	Rutile	Titanite	Zircon

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 K Mg Na O Si Ti Zr

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg Na O Si Ti Zr

Structural Groups for minerals in this locality:
Amphibole Aragonite Clay Clinozoisite Corundum Epidote Garnet Mica None Pyroxene
Quartz Rutile Titanite Zircon

12 IMA Minerals at location:

Almandine ()*	Aragonite ()*	Clinozoisite ()*	Epidote ()*	Glaucophane ()*
Ilmenite ()*	Muscovite ()*	Omphacite ()*	Quartz ()*	Rutile ()*
Titanite ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2353
Aragonite ()*	Aragonite	Ca(CO₃)	3250
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1025
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	286
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5433
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Omphacite ()*	Pyroxene	(Ca,Na)(Mg,Fe,Al)Si₂O₆	229
Quartz ()*	Quartz	SiO₂	61156
Rutile ()*	Rutile	TiO₂	5614
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Zircon ()*	Zircon	Zr(SiO₄)	5251

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...