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:
Susanville District (Comer District), Grant Co., Oregon, USA

Oldest recorded age at locality: 54.8
Youngest recorded age at locality: 5.3

mindat Locality ID: 213487
mindat URL: http://www.mindat.org/loc-213487.html

Tectonic Settings:

Total number of sublocalities beneath "Susanville District (Comer District), Grant Co., Oregon, USA": 32
Total number of bottom-level sublocalities: 32

Number of Child Localities: 32
Child Localities:
Belle Of The Hills Group (Belle Of The Woods; Hidden Treasure; Victor)
Brown Bear Occurrence (Winchester; Imperial; Ivy May)
Buck Gulch Placer
Chattanooga
Compton Mine (Compton Mines Company; Compton Mining Company)
Copper Prospect (MRDS - 10052952)
Daisy Occurrence
Gem (North Gem)
Gold Bug Prospect
Golden Gate Group (Ruby; St. Lawrence; Alta; Ruth; Poorman; Beaver; Blue Jay)
Homestake (Lone Star; Bull Of Woods; Ethel; Mockingbird; Plowman)
Long Walk Prospect
Myrtle Mine
Nelson Group
North Gem Mine (Gem Mine; South Gem)
Ophir Mine
Porphyry Mill Claims
Princess Occurrence (Wedding Ring; Lucky Day)
Rescue Occurrence
Rex Occurrence
Side Issue (More Or Less; Black Hawk)
Simcox Property
Skyscraper Claim
Stockton Occurrence
Susanville - Placers (Middle Fork; Deep Creek; Buck Gulch; Elk Creek; Timms Gold Dredging Company)
Thompson/Susanville Occurrence
Timms Gold Dredging Company (MRDS - 10249374)
Unnamed Gold Mine (MRDS - 10250076)
Unnamed Gold Prospect (MRDS - 10152833)
Unnamed Gold Prospect (MRDS - 10177094)
Unnamed Gold Prospect (MRDS - 10201587)
Unnamed Gold Prospect (MRDS - 10249485)

Latitude: 44°43'9"N
Longitude: 118°47'3"W
Decimal Degree (lat, lon): 44.719166666667,-118.78416666667

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.

Alunite	Calcite	Chalcopyrite	Clay	Clinozoisite	Copper	Epidote	Marcasite	Mica	Nickeline
None	Pyrite	Quartz	Rocksalt	Sphalerite	Stibnite	Tetrahedrite

Ankerite ()*	Calcite ()*	Chalcopyrite ()*	Cinnabar ()*	Epidote ()*
Galena ()*	Gold ()*	Jarosite ()*	Marcasite ()*	Muscovite ()*
Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Sphalerite ()*	Stibnite ()*
Tennantite-(Fe) ()*	Tetrahedrite-(Zn) ()*

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 As Au C Ca Cu Fe H Hg K O Pb S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Calcite Chalcopyrite Clay Clinozoisite Copper Epidote Marcasite Mica Nickeline
None Pyrite Quartz Rocksalt Sphalerite Stibnite Tetrahedrite

17 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
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			6	258227,258231,258233,258234,258242,258244	3092
Calcite ()*	Calcite	Ca(CO₃)	23.8	5.3	1	258236	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			8	258227,258230,258231,258233,258234,258239,258241,258242	27198
Cinnabar ()*	None	HgS	54.8	23.8	2	258235,258248	2600
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	23.8	5.3	1	258236	8173
Galena ()*	Rocksalt	PbS			6	258227,258228,258233,258234,258242,258244	24243
Gold ()*	Copper	Au			2	258237,258248	30554
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			1	258234	2228
Marcasite ()*	Marcasite	FeS₂			1	258237	5674
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			3	258227,258234,258241	17380
Pyrite ()*	Pyrite	FeS₂	23.8	5.3	13	258224,258227,258228,258230,258231,258233,258234,258236,258237,258239,258241,258242,258244	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	23.8	5.3	6	258230,258231,258234,258236,258241,258242	9056
Quartz ()*	Quartz	SiO₂			10	258224,258227,258230,258231,258233,258234,258239,258241,258242,258244	61156
Sphalerite ()*	Sphalerite	ZnS			8	258227,258228,258231,258233,258234,258241,258242,258244	21482
Stibnite ()*	Stibnite	Sb₂S₃			1	258233	3418
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃			1	258239	1803
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			1	258239	5317

2 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
	NAVDAT-10321	54.8	23.8	39.3±15.5					10321						150037	Long Walk Prospect, Susanville District (Comer District), Grant Co., Oregon, USA		NAVDAT		NAVDAT
	NAVDAT-10317	23.8	5.3	14.55±9.25					10317						150541	Myrtle Mine, Susanville District (Comer District), Grant Co., Oregon, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...