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:
Selenge Aimag, Mongolia

Oldest recorded age at locality: 210
Youngest recorded age at locality: 185

mindat Locality ID: 54404
mindat URL: http://www.mindat.org/loc-54404.html

Tectonic Settings:

Total number of sublocalities beneath "Selenge Aimag, Mongolia": 12
Total number of bottom-level sublocalities: 10

Number of Child Localities: 3
Child Localities:
Baruun-Haraa
Mandal Soum
Orhon

Latitude: 48°39'53"N
Longitude: 106°22'31"E
Decimal Degree (lat, lon): 48.664722222222,106.37527777778

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	Bournonite	Chalcopyrite	Clay	Copper	Feldspar	Geocronite	Löllingite	Mica	None
Pyrite	Quartz	Rocksalt	Scheelite	Sphalerite	Tetrahedrite	Zircon

Albite ()*	Alloclasite ()*	Arsenopyrite ()*	Boulangerite ()*	Bournonite ()*
Chalcopyrite ()*	Galena ()*	Geerite ()*	Geocronite ()*	Gold ()*
Jamesonite ()*	Microcline ()*	Muscovite ()*	Pyrite ()*	Quartz ()*
Scheelite ()*	Sphalerite ()*	Tennantite-(Fe) ()*	Tetrahedrite-(Zn) ()*	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: Al As Au Ca Co Cu Fe H K Na O Pb S Sb Si W Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Bournonite Chalcopyrite Clay Copper Feldspar Geocronite Löllingite Mica None
Pyrite Quartz Rocksalt Scheelite Sphalerite Tetrahedrite Zircon

20 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)	210	185	2	85211,85217	8803
Alloclasite ()*	Löllingite	CoAsS	210	185	1	85211	56
Arsenopyrite ()*	Arsenopyrite	FeAsS	210	185	2	85211,85217	9052
Boulangerite ()*	None	Pb₅Sb₄S₁₁	210	185	2	85211,85217	843
Bournonite ()*	Bournonite	CuPbSbS₃	210	185	2	85211,85217	1089
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	210	185	2	85211,85217	27198
Galena ()*	Rocksalt	PbS	210	185	2	85211,85217	24243
Geerite ()*	None	Cu₈S₅	210	185	2	85211,85217	38
Geocronite ()*	Geocronite	Pb₁₄Sb₆S₂₃			1	85217	133
Gold ()*	Copper	Au	210	185	2	85211,85217	30554
Jamesonite ()*	None	Pb₄FeSb₆S₁₄			1	85217	784
Microcline ()*	Feldspar	K(AlSi₃O₈)			1	85217	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	85217	17380
Pyrite ()*	Pyrite	FeS₂	210	185	2	85211,85217	39462
Quartz ()*	Quartz	SiO₂	210	185	2	85211,85217	61156
Scheelite ()*	Scheelite	Ca(WO₄)			1	85217	4894
Sphalerite ()*	Sphalerite	ZnS	210	185	2	85211,85217	21482
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃			1	85217	1803
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	210	185	2	85211,85217	5317
Zircon ()*	Zircon	Zr(SiO₄)			1	85217	5251

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
	RS65_311-001	210	185	210-185	40Ar-39Ar	ore mineralization									44894	Boroo Mine, Baruun-Haraa, Selenge Aimag, Mongolia	Boroo deposit	Cluer et al. (2005)			hydrothermal minerals formed by wall rock alteration indicates that the ore mineralization occurred in early Mesozoic times (ca 210–185 Ma, after Cluer et al., 2005).

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...