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:
Cracker Creek District (Sumpter District; Bourne District; McCully District), Baker Co., Oregon, USA

Oldest recorded age at locality: 290
Youngest recorded age at locality: 206

mindat Locality ID: 274969
mindat URL: http://www.mindat.org/loc-274969.html

Tectonic Settings:

Total number of sublocalities beneath "Cracker Creek District (Sumpter District; Bourne District; McCully District), Baker Co., Oregon, USA": 27
Total number of bottom-level sublocalities: 27

Number of Child Localities: 27
Child Localities:
Gold Coin Consolidated Occurrence
Gold Ridge Occurrence
Golden Gate Occurrence
Hemler Claims (Gold Nugget Vein; Boise Bell Vein; George E. Hemler Claims)
Homestake Occurrence
Johns-Manville Cu-Mo Prospect
Lake Creek Gold Prospect
Lakeside Spring Occurrence (Ninestrike; Minestrike)
Little Cracker Group (Chance And Putnam Claims)
Log Cabin Occurrence
Loy's Mine
Mammoth Placer
Mayflower Prospect (Gray Rock)
Midway Prospect (Banshee)
Minnie McDowell Mine
More Or Less Claim
Mountain View Mine
Ohio Prospect
Old Middleman Occurrence (Part Of The Columbia Group; Ralph Vein)
Porcupine Group (Justice; Wind Creek)
Powder River Placers
Rouen Gulch Occurrence
Sampson And Risk Occurrence
South Pole (Yankee Jim; Oregon Clipper; Esmerelda Mine)
St. Joe Occurrence
Taber Fraction Mine
Umpqua Gulch Placers

Latitude: 44°49'25"N
Longitude: 118°12'3"W
Decimal Degree (lat, lon): 44.823611111111,-118.20083333333

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.

Arsenopyrite	Chalcopyrite	Copper	Marcasite	None	Pyrite	Quartz	Stibnite	Tetrahedrite

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 Cu Fe O S Sb Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Chalcopyrite Copper Marcasite None Pyrite Quartz Stibnite Tetrahedrite

8 IMA Minerals at location:

Arsenopyrite ()*	Chalcopyrite ()*	Gold ()*	Marcasite ()*	Pyrite ()*
Quartz ()*	Stibnite ()*	Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	3	255220,255221,255230	9052
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	5	255215,255217,255220,255221,255230	27198
Gold ()*	Copper	Au	1	255225	30554
Marcasite ()*	Marcasite	FeS₂	3	255220,255221,255230	5674
Pyrite ()*	Pyrite	FeS₂	10	255209,255214,255215,255217,255218,255220,255221,255222,255228,255230	39462
Quartz ()*	Quartz	SiO₂	10	255209,255214,255215,255217,255218,255220,255221,255222,255225,255230	61156
Stibnite ()*	Stibnite	Sb₂S₃	3	255220,255221,255230	3418
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	4	255217,255220,255221,255230	5317

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
	NAVDAT-14927	290	206	248±42					14927						149868	Lake Creek Gold Prospect, Cracker Creek District (Sumpter District; Bourne District; McCully District), Baker Co., Oregon, USA		NAVDAT		NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...