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:
Van Horn Peak, Coastal Range, Trinity Co., California, USA

mindat Locality ID: 241367
mindat URL: http://www.mindat.org/loc-241367.html

Tectonic Settings:

Total number of sublocalities beneath "Van Horn Peak, Coastal Range, Trinity Co., California, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Double-A Prospect (Double A Prospect)
Liberty Group
Lost Mine Prospect
Unnamed Au Placer (97)

Latitude: 40°11'48"N
Longitude: 123°16'4"W
Decimal Degree (lat, lon): 40.196666666667,-123.26777777778

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.

Calcite	Clay	None	Quartz	Rhodonite	Rutile	Spinel

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: C H Mn O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Clay None Quartz Rhodonite Rutile Spinel

6 IMA Minerals at location:

Bementite ()*	Hausmannite ()*	Pyrolusite ()*	Quartz ()*	Rhodochrosite ()*
Rhodonite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Bementite ()*	Clay	Mn₇Si₆O₁₅(OH)₈	1	180940	173
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	1	180940	350
Pyrolusite ()*	Rutile	MnO₂	1	180940	3106
Quartz ()*	Quartz	SiO₂	1	180940	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)	1	180940	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)	1	180940	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...