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:
Callahan, Callahan District (Scott River District), Klamath Mts, Siskiyou Co., California, USA

Oldest recorded age at locality: 167
Youngest recorded age at locality: 145

mindat Locality ID: 212333
mindat URL: http://www.mindat.org/loc-212333.html

Tectonic Settings:

Total number of sublocalities beneath "Callahan, Callahan District (Scott River District), Klamath Mts, Siskiyou Co., California, USA": 29
Total number of bottom-level sublocalities: 29

Number of Child Localities: 29
Child Localities:
Autumn Mine
Callahan Au-PGE Placers
Consolidated Dredge
Crawley Mine
Denny Placer
Etna Gold Dredging Company Placer
Farrington Mine
Fortuna Mine
H M Mine
Havden Placer Mine
Katherine Placer Mine
Last Chance Mine (2)
Little Field Placer Mine
Lucky Baldwin Mine
Messner Placer Mine
Montezuma Mine
Nugget Placer Mine
Okoro Mines Inc.
Poker Flat Dredger Mine
Pollard Drift Claim
Porters Bar Dredging Company Mine
Siskiyou Syndicate Mine (Plummer Mine)
Smiths Claim
Unnamed Au Occurrence (141)
Unnamed Au Occurrence (161)
Unnamed Pb-Baryte Occurrence (1)
Wilheim Mine
Wilken Mine
Yuba Consolidated Gold Fields Placer (Siskiyou Unit)

Latitude: 41°18'38"N
Longitude: 122°48'21"W
Decimal Degree (lat, lon): 41.310555555556,-122.80583333333

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.

Amorphous	Baryte	Copper	Nickeline	None	Perovskite	Quartz	Rocksalt	Skutterudite	Spinel
Vivianite

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: As Au Ba C Co Cr Fe H Ni O Pb S Si

Elements from minerals reported directly at this locality: As C Co H Ni O

Structural Groups for minerals in this locality:
Amorphous Baryte Copper Nickeline None Perovskite Quartz Rocksalt Skutterudite Spinel
Vivianite

10 IMA Minerals at location:

Baryte ()*	Chromite ()*	Erythrite ()*	Galena ()*	Gold ()*
Magnetite ()*	Pyrrhotite ()*	Quartz ()*	Skutterudite ()*	Zaratite ()*

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
Baryte ()*	Baryte	Ba(SO₄)	167	145	1	178482	11547
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	167	145	2	178458,178478	3902
Erythrite ()*	Vivianite	Co₃(AsO₄)₂·8H₂O	167	145	0		814
Galena ()*	Rocksalt	PbS	167	145	1	178482	24243
Gold ()*	Copper	Au	167	145	15	178457,178458,178459,178460,178461,178462,178466,178467,178469,178471,178473,178474,178475,178477,178485	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	167	145	1	178458	14899
Pyrrhotite ()*	Nickeline	Fe₇S₈	167	145	1	178464	9056
Quartz ()*	Quartz	SiO₂	167	145	2	178457,178460	61156
Skutterudite ()*	Skutterudite Perovskite	CoAs₃	167	145	0		531
Zaratite ()*	Amorphous	Ni₃(CO₃)(OH)₄·4H₂O	167	145	0		56

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Kristen002448	Nevadan Orogeny includes the Kalamath Mountains

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
	Kristen002448	167	145	Middle to Early Jurassic							Yes				4064	Josephine Creek Placers, Josephine Creek District, Josephine Co., Oregon, USA	Nevadan Orogeny, Josephine Creek placers	Lanphere et al. (1968)	10.1130/0016-7606(1968)79[1027:IAOTNO]2.0.CO;2	GSAB79_1027

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...