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:
Tiburon Peninsula, Marin Co., California, USA

mindat Locality ID: 3498
mindat URL: http://www.mindat.org/loc-3498.html

Tectonic Settings:

Total number of sublocalities beneath "Tiburon Peninsula, Marin Co., California, USA": 6
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
California Point (Point Munroe)
Reed
Tiburon Uplands Nature Preserve
Unnamed Glaucophane Occurrence [1]

Latitude: 37°54'6"N
Longitude: 122°28'30"W
Decimal Degree (lat, lon): 37.901666666667,-122.475

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	Chlorite	Clay	Clinozoisite	Epidote	Feldspar	Garnet	Lawsonite	Mica
None	Not in a structural group	Pyroxene	Rutile	Stilpnomelane	Talc	Titanite

Actinolite ()*	Albite ()*	Almandine ()*	Aragonite ()*	Clinochlore ()*
Epidote ()*	Glaucophane ()*	Jadeite ()*	Kyanite ()*	Lawsonite ()*
Muscovite ()*	Omphacite ()*	Paragonite ()*	Rutile ()*	Stilpnomelane ()*
Talc ()*	Titanite ()*	Zoisite ()*

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

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

Structural Groups for minerals in this locality:
Amphibole Aragonite Chlorite Clay Clinozoisite Epidote Feldspar Garnet Lawsonite Mica
None Not in a structural group Pyroxene Rutile Stilpnomelane Talc Titanite

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1	162526	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	162526	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	162526	2353
Aragonite ()*	Aragonite	Ca(CO₃)	1	162526	3250
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	162526	1756
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	162526,162527	8173
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	3	162522,162526,162527	286
Jadeite ()*	Pyroxene	NaAlSi₂O₆	1	162526	154
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	162526	1507
Lawsonite ()*	Lawsonite	CaAl₂(Si₂O₇)(OH)₂·H₂O	1	162526	121
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	162526	17380
Omphacite ()*	Pyroxene	(Ca,Na)(Mg,Fe,Al)Si₂O₆	1	162526	229
Paragonite ()*	Mica Clay	NaAl₂(Si₃Al)O₁₀(OH)₂	1	162526	247
Rutile ()*	Rutile	TiO₂	2	162522,162526	5614
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	0		456
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	162526	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	1	162526	4899
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	0		1025

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...