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:
High Plateau Mountain, Rockland, Diamond Creek District, Klamath Mts, Del Norte Co., California, USA

Oldest recorded age at locality: 163
Youngest recorded age at locality: 163

mindat Locality ID: 218664
mindat URL: http://www.mindat.org/loc-218664.html

Tectonic Settings:

Total number of sublocalities beneath "High Plateau Mountain, Rockland, Diamond Creek District, Klamath Mts, Del Norte Co., California, USA": 16
Total number of bottom-level sublocalities: 15

Number of Child Localities: 14
Child Localities:
Black Prince Occurrence
Bluebird Mine (High Point Mine)
Bonanza Claim
Brown Mine (High Plateau Browns Mine)
Brown's Mountain (Browns Mine)
Dan Laterite Claims (Dan Claims Nos. 1-11)
Judy Mine (Victory No 2; Judy Claims 1-3-4; Judy Group; Hicks Mine)
Ni-Cal Prospect
Peridotite Canyon
Skyline Mine (Skyline Deposit)
Unnamed Cr-PGE Prospect (1)
Unnamed Cr-PGE Prospect (3)
Unnamed Cr-PGE Prospect (5)
Unnamed Cr-PGE Prospect (9)

Latitude: 41°55'21"N
Longitude: 123°57'28"W
Decimal Degree (lat, lon): 41.9225,-123.95777777778

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.

Chlorite	Clay	Garnet	None	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: Al Ca Cr Fe H Mg O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chlorite Clay Garnet None Spinel

3 IMA Minerals at location:

Chromite ()*	Clinochlore ()*	Uvarovite ()*

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
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	163	163	9	153829,153830,153831,153834,153838,153840,153841,153842,153843	3902
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	163	163	1	153831	1756
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	163	163	3	153830,153831,153839	212

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
podchrome-00242	163	163	Middle Jurassic (162-164 Ma)	Cr	74587	Bluebird Mine (High Point Mine), High Plateau Mountain, Rockland, Diamond Creek District, Klamath Mts, Del Norte Co., California, USA	Bluebird	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00239	163	163	Middle Jurassic (162-164 Ma)	Cr	74662	Brown Mine (High Plateau Browns Mine), High Plateau Mountain, Rockland, Diamond Creek District, Klamath Mts, Del Norte Co., California, USA	High Plateau	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00241	163	163	Middle Jurassic (162-164 Ma)	Cr	74672	Judy Mine (Victory No 2; Judy Claims 1-3-4; Judy Group; Hicks Mine), High Plateau Mountain, Rockland, Diamond Creek District, Klamath Mts, Del Norte Co., California, USA	Judy	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00243	163	163	Middle Jurassic (162-164 Ma)	Cr	74736	Skyline Mine (Skyline Deposit), High Plateau Mountain, Rockland, Diamond Creek District, Klamath Mts, Del Norte Co., California, USA	Skyline	Moiser et al. (2012)	USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...