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:
Junction City, Junction City District, Klamath Mts, Trinity Co., California, USA

mindat Locality ID: 240522
mindat URL: http://www.mindat.org/loc-240522.html

Tectonic Settings:

Total number of sublocalities beneath "Junction City, Junction City District, Klamath Mts, Trinity Co., California, USA": 41
Total number of bottom-level sublocalities: 39

Number of Child Localities: 31
Child Localities:
Antonia Placer Mine
Bachelor Roost Placer Prospect
Barthol - Jacobs Placer Mine (Red Hill)
Benjamin And Keno Bar Placer Mine
Bergin Placer (Boston No. 5; Graf)
Chapman & Fisher Claim (Raab; Gribble)
Dolly Varden Placer Mine
Driver Placer Mine
Evans And Bartlett Placer Mine
Evans Bar Placer Mine
Franklin Placer Mine (Haas)
Good Friday Mine (Post & Wilson)
Hall Placer Mine
Helena Placer
Hill Crest Placer
Laws Placer Mine
Main Channel Trinity River
McKinney Placer Mine
Montezuma Placer
Mosquito Gulch Placer Mine
New Discovery Placer
No Mine (Archie Tindell Mine)
Oregon Gulch Gold Dredge Mine (Oregon Gulch Dredging Co.)
Oregon Mountain
Perry Placer
Placer Development Company Mine
Raab Placer Mine
Red Hill
Sheridan Creek Occurrence
Sturdivant Hydraulic Placer Mine
Unnamed Au-Pt Placer (2)

Latitude: 40°43'14"N
Longitude: 123°2'26"W
Decimal Degree (lat, lon): 40.720555555556,-123.04055555556

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.

Copper	None	Quartz

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: Au Cu Ir O Os Pt Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Copper None Quartz

6 IMA Minerals at location:

Copper ()*	Gold ()*	Iridium ()*	Osmium ()*	Platinum ()*
Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Copper ()*	Copper	Cu	1	181403	3846
Gold ()*	Copper	Au	26	181371,181373,181374,181375,181377,181378,181379,181380,181381,181383,181385,181386,181388,181389,181390,181392,181393,181397,181398,181401,181402,181404,181406,181407,181408,181410	30554
Iridium ()*	Copper	Ir	2	181387,181407	162
Osmium ()*	None	Os	2	181387,181397	169
Platinum ()*	Copper	Pt	4	181387,181402,181405,181407	485
Quartz ()*	Quartz	SiO₂	1	181408	61156

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...