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:
Illinois River District, Josephine Co., Oregon, USA

Oldest recorded age at locality: 203
Youngest recorded age at locality: 163

mindat Locality ID: 66185
mindat URL: http://www.mindat.org/loc-66185.html

Tectonic Settings:

Total number of sublocalities beneath "Illinois River District, Josephine Co., Oregon, USA": 136
Total number of bottom-level sublocalities: 135

Number of Child Localities: 84
Child Localities:
Al Blasson Occurrence
Anderson Mine (Holiday Mine; Anderson And Wilson)
Apex Occurrence.
Arnot Occurrence
Becca And Morning Group (Casey Prospect)
Big Bear
Big Bill Occurrence
Big Chief Chrome
Big Four Chromite
Black Bear Claim
Black Bear Occurrence
Black Diamond
Black King Prospect
Black Otter Claim
Black Rock Mine
Blackbird Claims 1-3
Blue Lode Occurrence
Bluff Prospect
Brown Scratch (Anderson-Fisher Chrome Mine; Center; Red Scratch)
Buckskin Mine
Butte Occurrence (Kerby No. 33)
Calumet Copper Prospect
Calumet Mine (Albright Mine; Elder Property)
Cedar Creek Occurrence
Chetco Group
Chrome Occurrence (MRDS - 10032182)
Chrome Occurrence (MRDS - 10032296)
Chrome Prospect (MRDS - 10053408)
Cobalt Group
Copper Boy Occurrence (Calumet Copper)
Courier Mine
Crown Mine (Nichols Prospect; Hammer; Upper Hammon No. 38?)
Daley Creek Chromite Mine
Dark Star
Deep Gorge Chromite Claim (Grissom Chrome)
Dirty Face (Bucheit Handwork & Meyers; Burro; Peach; Happy Jack; Hansen)
Early Sunrise Claim
Eureka Mine (Log Cabin; July; Black Cat)
Fall Creek Copper (United Copper)
February Claim
Foster Asbestos Occurrence (Bear Placer)
Freckles Placer
Free And Easy Mine (Free And Easy Laterite)
Gold Blanket Mine
Gold Placer Prospect (MRDS - 10053417)
Gold Placer Prospect (MRDS - 10053418)
Gold Prospect (Kerby No. 80)
Gold Prospect (Kerby No. 84)
Gold Prospect (Kerby No. 85)
Gold Ridge Prospect (Pocket Knoll)
Golden Princess
Griffin Chromite (Mikes Gulch; Nickel Plate)
Hap Claims (Hawkins)
Holton Creek Limestone Deposit
Horseshoe Lode Chrome (Squaw Creek Group)
Jim Fisher Chrome Prospect (Blackbird Nos. 1-3)
Josephine Creek Placers (Independence; Gold King; Old Ray; Billman; Norton; Golden Princess; Bear)
Lone Queen Ledge Mine
Meander Nos. 1 & 2
Mighty Joe
Nickel-Chrome Group (Eight Dollar Mountain Group; Horstman Group; Eight Dollar No. 1)
Old Glory Mine
Oregon Chrome Mines Property (Illinois River Mine; Black Beauty; Robertson Mine)
Phillip Property (Vanguard Property)
Rayboy Occurrence
Red Dog Van Gwyn Group
Red Hill Claim
Revell Placer (Meander No. 2 Claims; Meander No. 1; Buena Vista)
Riha Chromite Property
Saddle Prospect
Shade Chromite Mine
Sherman Placer
Sordy's Chromite (Briggs Creek Chromite Deposit)
Squaw Creek Chromite (Rhea Occurrence)
Stecher Placer
Sulfide No. 1 Occurrence
Summit Group
Swede Creek Occurrence (Gallaher)
Swede Creek Placer
Toots Mine
United Copper Gold Mines Company Property
Unnamed Placer (MRDS - 10176684)
White Pine Mine
Williams And Adylott Mine (Gold Dust; Live Oak; Hoover Gulch Group)

Latitude: 42°18'12"N
Longitude: 123°42'40"W
Decimal Degree (lat, lon): 42.303333333333,-123.71111111111

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.

Amphibole	Calcite	Chalcopyrite	Clay	Copper	Malachite	Nickeline	None	Pyrite	Quartz
Rocksalt	Serpentine	Spinel	Talc

Actinolite ()*	Antigorite ()*	Calcite ()*	Chalcopyrite ()*	Chromite ()*
Chrysotile ()*	Galena ()*	Gold ()*	Iridium ()*	Magnetite ()*
Malachite ()*	Mercury ()*	Platinum ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Talc ()*	Tremolite ()*

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 C Ca Cr Cu Fe H Hg Ir Mg O Pb Pt S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Chalcopyrite Clay Copper Malachite Nickeline None Pyrite Quartz
Rocksalt Serpentine Spinel Talc

18 IMA Minerals at location:

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
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	163	163	2	259836,259838	3419
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	163	163	2	259838,259856	708
Calcite ()*	Calcite	Ca(CO₃)	163	163	4	259856,259859,259878,259901	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	163	163	9	259842,259847,259854,259856,259863,259886,259888,259901,259905	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	203	163	36	259827,259830,259831,259832,259833,259835,259836,259837,259838,259839,259843,259845,259848,259850,259851,259856,259857,259858,259859,259860,259861,259864,259876,259877,259879,259884,259885,259887,259890,259891,259893,259895,259897,259898,259902,259904	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	203	203	1	259876	951
Galena ()*	Rocksalt	PbS			1	259847	24243
Gold ()*	Copper	Au			16	259825,259826,259829,259834,259841,259847,259867,259871,259872,259873,259874,259888,259892,259896,259899,259908	30554
Iridium ()*	Copper	Ir			1	259826	162
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			3	259826,259842,259854	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	163	163	3	259856,259863,259905	12537
Mercury ()*	None	Hg			1	259892	397
Platinum ()*	Copper	Pt			1	259892	485
Pyrite ()*	Pyrite	FeS₂			11	259829,259847,259853,259854,259862,259868,259874,259886,259900,259901,259907	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			5	259842,259847,259854,259863,259905	9056
Quartz ()*	Quartz	SiO₂			5	259847,259868,259874,259901,259907	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	163	163	6	259836,259838,259856,259858,259859,259860	3337
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	203	163	2	259836,259876	2562

16 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age from other Locality	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
podchrome-00373	163	163	Middle Jurassic (164-162 Ma)	Yes	Cr	150144	Lucky Strike - Castle Springs, Central Illinois River District, Josephine Co., Oregon, USA	Lucky Strike-Castle Springs	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00427	203	203	Late Triassic-Early Jurassic (>173 and >175 Ma U-Pb zircon in plagiogranite)		Cr	147537	Big Bear, Illinois River District, Josephine Co., Oregon, USA	Big Bear	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00430	203	203	Late Triassic-Early Jurassic (>173 and >175 Ma U-Pb zircon in plagiogranite)		Cr	147544	Big Chief Chrome, Illinois River District, Josephine Co., Oregon, USA	Big Chief	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00350	203	203	Late Triassic-Early Jurassic (>173 and >175 Ma U-Pb zircon in plagiogranite)		Cr	147555	Big Four Chromite, Illinois River District, Josephine Co., Oregon, USA	Big Four	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00374	163	163	Middle Jurassic (164-162 Ma)		Cr	147606	Black Diamond, Illinois River District, Josephine Co., Oregon, USA	Butte-Black Diamond	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00362	163	163	Middle Jurassic (164-162 Ma)		Cr	147622	Black Otter Claim, Illinois River District, Josephine Co., Oregon, USA	Black Otter Claim	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00433	163	163	Middle Jurassic (164-162 Ma)		Cr	147780	Brown Scratch (Anderson-Fisher Chrome Mine; Center; Red Scratch), Illinois River District, Josephine Co., Oregon, USA	Brown Scratch	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00349	163	163	Middle Jurassic (164-162 Ma)		Cr	148337	Crown Mine (Nichols Prospect; Hammer; Upper Hammon No. 38?), Illinois River District, Josephine Co., Oregon, USA	Crown	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00375	163	163	Middle Jurassic (164-162 Ma)		Cr	148482	Dark Star, Illinois River District, Josephine Co., Oregon, USA	Dark Star	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00359	163	163	Middle Jurassic (164-162 Ma)		Cr	65117	Deep Gorge Chromite Claim (Grissom Chrome), Illinois River District, Josephine Co., Oregon, USA	Deep Gorge	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00372	163	163	Middle Jurassic (164-162 Ma)		Cr	148564	Dirty Face (Bucheit Handwork & Meyers; Burro; Peach; Happy Jack; Hansen), Illinois River District, Josephine Co., Oregon, USA	Hansen	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00377	163	163	Middle Jurassic (164-162 Ma)		Cr	148672	Early Sunrise Claim, Illinois River District, Josephine Co., Oregon, USA	Early Sunrise Claim	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00431	203	203	Late Triassic-Early Jurassic (>173 and >175 Ma U-Pb zircon in plagiogranite)		Cr	65399	Griffin Chromite (Mikes Gulch; Nickel Plate), Illinois River District, Josephine Co., Oregon, USA	Griffin	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00448	203	203	Late Triassic-Early Jurassic (>173 and >175 Ma U-Pb zircon in plagiogranite)		Cr	150349	Mighty Joe, Illinois River District, Josephine Co., Oregon, USA	Mighty Joe	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00366	163	163	Middle Jurassic (164-162 Ma)		Cr	65748	Oregon Chrome Mines Property (Illinois River Mine; Black Beauty; Robertson Mine), Illinois River District, Josephine Co., Oregon, USA	Oregon Chrome	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00432	163	163	Middle Jurassic (164-162 Ma)		Cr	151203	Red Dog Van Gwyn Group, Illinois River District, Josephine Co., Oregon, USA	Red Dog	Moiser et al. (2012)	USGSSIR2012_5157

All locality data graciously provided by mindat.org

All age data...