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:
Santa Cruz Mts, Santa Cruz Co., California, USA

Oldest recorded age at locality: 122.1
Youngest recorded age at locality: 99.9

mindat Locality ID: 92393
mindat URL: http://www.mindat.org/loc-92393.html

Tectonic Settings:

Total number of sublocalities beneath "Santa Cruz Mts, Santa Cruz Co., California, USA": 41
Total number of bottom-level sublocalities: 30

Number of Child Localities: 11
Child Localities:
Ben Lomond
Ben Lomond Mountain
Beulah Park
Bonny Doon
Branciforte Creek Basin
Davenport
Felton
Laurel
Paradise Park
Scotts Valley
Swanton (Laurel Grove)

Latitude: 37°3'58"N
Longitude: 122°5'27"W
Decimal Degree (lat, lon): 37.066111111111,-122.09083333333

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	Calcite	Clay	Copper	Humite	Mica	None	Not in a structural group	Olivine	Rutile
Sepiolite	Titanite	Wollastonite

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 Au C Ca F H K Mg O Si Ti

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

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Copper Humite Mica None Not in a structural group Olivine Rutile
Sepiolite Titanite Wollastonite

12 IMA Minerals at location:

Calcite ()*	Chondrodite ()*	Cummingtonite ()*	Forsterite ()*	Gold ()*
Laumontite ()*	Phlogopite ()*	Rutile ()*	Sepiolite ()*	Sillimanite ()*
Titanite ()*	Wollastonite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)			1	176362	27770
Chondrodite ()*	Humite	Mg₅(SiO₄)₂F₂			2	176345,176346	285
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂			1	176355	327
Forsterite ()*	Olivine	Mg₂(SiO₄)			1	176346	1188
Gold ()*	Copper	Au			3	176343,176366,176381	30554
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	122.1	99.9	0		1271
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	176346	2273
Rutile ()*	Rutile	TiO₂			1	176355	5614
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O			1	176346	241
Sillimanite ()*	Not in a structural group	Al₂SiO₅			1	176349	1516
Titanite ()*	Titanite	CaTi(SiO₄)O			1	176355	4899
Wollastonite ()*	Wollastonite	CaSiO₃			1	176345	1247

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
	NAVDAT-51733	122.1	99.9	111±11.1					51733						92416	Unnamed Stone Location [1], Bonny Doon, Santa Cruz Mts, Santa Cruz Co., California, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...