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:
Weippe District (Musselshell District), Clearwater Co., Idaho, USA

Oldest recorded age at locality: 23.8
Youngest recorded age at locality: 5.3

mindat Locality ID: 39482
mindat URL: http://www.mindat.org/loc-39482.html

Tectonic Settings:

Total number of sublocalities beneath "Weippe District (Musselshell District), Clearwater Co., Idaho, USA": 19
Total number of bottom-level sublocalities: 17

Number of Child Localities: 14
Child Localities:
Armstrong Gulch Placer
Black Diamond Graphite Prospect
Dutchman Creek Placer (Pioneer Mine)
Jim Brown Creek
Lolo Claim
Lolo Creek Placer
Lolo Placer
Musselshell
Musselshell Creek Placer
Musselshell Placer
Musselshell Placer (MRDS - 10265637)
Musselshell Placers (MRDS - 10265496)
R. W. Beck Deposit
Weippe

Latitude: 46°23'1"N
Longitude: 115°44'58"W
Decimal Degree (lat, lon): 46.383611111111,-115.74944444444

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.

Beryl	Chalcopyrite	Clay	Copper	Corundum	Diaspore	Feldspar	Mica	Molybdenite	None
Pyrite	Quartz	Rutile	Spinel	Zircon

Albite ()*	Beryl ()*	Chalcopyrite ()*	Chromite ()*	Goethite ()*
Gold ()*	Hematite ()*	Ilmenite ()*	Magnetite ()*	Microcline ()*
Molybdenite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*	Rutile ()*
Silver ()*	Zircon ()*

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: Ag Al Au Be Cr Cu Fe H K Mo Na O S Si Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Beryl Chalcopyrite Clay Copper Corundum Diaspore Feldspar Mica Molybdenite None
Pyrite Quartz Rutile Spinel Zircon

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
Albite ()*	Feldspar	Na(AlSi₃O₈)			3	206702,206703,206704	8803
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			3	206702,206703,206704	4286
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	206704	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	23.8	5.3	1	206696	3902
Goethite ()*	Diaspore	FeO(OH)			1	206691	7437
Gold ()*	Copper	Au			2	206689,206697	30554
Hematite ()*	Corundum	Fe₂O₃			1	206705	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	23.8	5.3	1	206696	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	23.8	5.3	1	206696	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	206703	4924
Molybdenite ()*	Molybdenite	MoS₂			1	206704	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	206702	17380
Pyrite ()*	Pyrite	FeS₂			2	206691,206704	39462
Quartz ()*	Quartz	SiO₂			3	206702,206703,206704	61156
Rutile ()*	Rutile	TiO₂	23.8	5.3	1	206696	5614
Silver ()*	Copper	Ag			1	206704	5186
Zircon ()*	Zircon	Zr(SiO₄)	23.8	5.3	1	206696	5251

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-47111	23.8	5.3	14.55±9.25	47111	139314	Musselshell Creek Placer, Weippe District (Musselshell District), Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-48048	23.8	5.3	14.55±9.25	48048	139314	Musselshell Creek Placer, Weippe District (Musselshell District), Clearwater Co., Idaho, USA	NAVDAT	NAVDAT
NAVDAT-47113	23.8	5.3	14.55±9.25	47113	140056	R. W. Beck Deposit, Weippe District (Musselshell District), Clearwater Co., Idaho, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...