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:
Rattlesnake Hill, Klamath Mts, Shasta Co., California, USA

Oldest recorded age at locality: 465
Youngest recorded age at locality: 465

mindat Locality ID: 238616
mindat URL: http://www.mindat.org/loc-238616.html

Tectonic Settings:

Total number of sublocalities beneath "Rattlesnake Hill, Klamath Mts, Shasta Co., California, USA": 17
Total number of bottom-level sublocalities: 17

Number of Child Localities: 17
Child Localities:
Blas Corporation Deposit
Boito Et Al Prospect
Cantonwine Prospect (Hilt Lease)
County Line Claim (Wildcat Creek Claim)
Forest Queen Mine (Union Forest Queen Mine; Bull Dog Mine; North Star No. 1 Mine; Rattlesnake Mine; Black Bird Mine; Grey Eagle; Gray Eagle Claim; Mammoth Claim)
Highland Lake Occurrence
Hoy Property
Rise Corporation Mine
Section 17 Claims
Silver Tip Occurrence
Trinity Asbestos Claims
Unnamed Asbestos Occurrence (3)
Unnamed Cr Occurrence (2)
Unnamed Cr Occurrence (3)
Unnamed Cr Occurrence (4)
Unnamed Cr Occurrence (7)
Unnamed Cr Occurrence (8)

Latitude: 41°4'2"N
Longitude: 122°28'13"W
Decimal Degree (lat, lon): 41.067222222222,-122.47027777778

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	Serpentine	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 Serpentine Spinel

5 IMA Minerals at location:

Chromite ()*	Chrysotile ()*	Clinochlore ()*	Magnesiochromite ()*	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			2	176862,176866	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	176860	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	465	465	1	176864	1756
Magnesiochromite ()*	Spinel	MgCr₂O₄	465	465	2	176863,176864	311
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	465	465	2	176863,176864	212

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
	podchrome-00285	465	465	Ordovician										Cr	92607	Forest Queen Mine (Union Forest Queen Mine; Bull Dog Mine; North Star No. 1 Mine; Rattlesnake Mine; Black Bird Mine; Grey Eagle; Gray Eagle Claim; Mammoth Claim), Rattlesnake Hill, Klamath Mts, Shasta Co., California, USA	Forest Queen Group	Moiser et al. (2012)		USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...