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:
Black Mountain, Black Wonder District, Diablo Range, Santa Clara Co., California, USA

mindat Locality ID: 298752
mindat URL: http://www.mindat.org/loc-298752.html

Tectonic Settings:

Total number of sublocalities beneath "Black Mountain, Black Wonder District, Diablo Range, Santa Clara Co., California, USA": 18
Total number of bottom-level sublocalities: 18

Number of Child Localities: 18
Child Localities:
Antonia Claim
Beauregard Group
Black Eagle Mine
Black Wonder Section 28 Group (Triple Jump Claim; Black Eagle; May Be: Cottonwood Claims; Cottonwood Deposit)
Blackbird Claim (Blackhawk Claim)
Cedar Tree Occurrence
Cedar Tree Prospect (Cedar Tree Claims 1 And 2; Cedar Tree Claims; Black Wonder Claim)
Deposit 8 (Big Matt)
Great Expectation Mine
Keller Mine Group (Dead Oak And Black Horse Claims)
May Be Claim
Mexican Prospect
Murmac Group (Patterson; Chicago Claims)
Queen Bee No. 1 Claim
RMCA Group
Section 28 Occurrence
Triple Jump Claim
Unnamed Hg Mine [2]

Latitude: 37°22'48"N
Longitude: 121°26'18"W
Decimal Degree (lat, lon): 37.38,-121.43833333333

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	Feldspar	None	Pyroxene	Quartz	Rhodonite	Rutile

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 Fe H Mg Mn Na O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Feldspar None Pyroxene Quartz Rhodonite Rutile

8 IMA Minerals at location:

Aegirine ()*	Albite ()*	Glaucophane ()*	Magnesite ()*	Pyrolusite ()*
Quartz ()*	Rhodochrosite ()*	Rhodonite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1	176037	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	176037	8803
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	2	176037,176046	286
Magnesite ()*	Calcite	Mg(CO₃)	1	176042	1487
Pyrolusite ()*	Rutile	MnO₂	1	176049	3106
Quartz ()*	Quartz	SiO₂	4	176039,176040,176047,176049	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	2	176040,176045	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1	176040	969

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...