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:
Khan Bogdo Massif (Khan-Bogdinskii), Gobi Desert, Mongolia

Oldest recorded age at locality: 352
Youngest recorded age at locality: 252

mindat Locality ID: 2384
mindat URL: http://www.mindat.org/loc-2384.html

Tectonic Settings:

Total number of sublocalities beneath "Khan Bogdo Massif (Khan-Bogdinskii), Gobi Desert, Mongolia": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Dorozhnyi Pegmatite

Latitude: 43°10'1"N
Longitude: 107°7'1"E
Decimal Degree (lat, lon): 43.166944444444,107.11694444444

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.

Amorphous	Amphibole	Astrophyllite	Bastnäsite	Calcite	Clay	Crichtonite	Elpidite	Feldspar	Mica
Milarite	Neptunite	None	Not in a structural group	Pyroxene	Quartz	Rutile	Scheelite	Smectite-vermiculite	Thortveitite
Titanite	Zircon

Aegirine ()*	Albite ()*	Arfvedsonite ()*	Armstrongite ()*	Astrophyllite ()*
Bastnäsite-(Ce) ()*	Calcite ()*	Davidite-(La) ()*	Elpidite ()*	Gittinsite ()*
Landauite ()*	Microcline ()*	Milarite ()*	Mongolite ()*	Montmorillonite ()*
Neptunite ()*	Opal ()*	Orthoclase ()*	Polylithionite ()*	Pyrolusite ()*
Quartz ()*	Synchysite-(Ce) ()*	Titanite ()*	Wulfenite ()*	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 Be C Ca Ce Cr F Fe H K La Li Mg Mn Mo Na Nb O Pb Si Ti U V Y Zn Zr

Elements from minerals reported directly at this locality: Al Be C Ca Ce Cr F Fe H K La Mn Mo Na Nb O Pb Si Ti U V Y Zn Zr

Structural Groups for minerals in this locality:
Amorphous Amphibole Astrophyllite Bastnäsite Calcite Clay Crichtonite Elpidite Feldspar Mica
Milarite Neptunite None Not in a structural group Pyroxene Quartz Rutile Scheelite Smectite-vermiculite Thortveitite
Titanite Zircon

25 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
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	318	291	1	85117	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	318	291	1	85117	8803
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	318	291	1	85117	295
Armstrongite ()*	Not in a structural group	CaZr(Si₆O₁₅)·2H₂O	318	291	1	85117	5
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	352	252	0		161
Bastnäsite-(Ce) ()*	Bastnäsite	Ce(CO₃)F	352	252	0		304
Calcite ()*	Calcite	Ca(CO₃)	352	252	0		27770
Davidite-(La) ()*	Crichtonite	La(Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH,F)₃₈	352	252	0		31
Elpidite ()*	Elpidite	Na₂ZrSi₆O₁₅·3H₂O	318	291	1	85117	50
Gittinsite ()*	Thortveitite	CaZrSi₂O₇	352	252	0		11
Landauite ()*	Crichtonite	(Na,Pb)(Mn²⁺,Y)(Zn,Fe)₂(Ti,Fe³⁺,Nb)₁₈(O,OH,F)O₃₈	352	252	0		5
Microcline ()*	Feldspar	K(AlSi₃O₈)	318	291	1	85117	4924
Milarite ()*	Milarite	KCa₂(Be₂AlSi₁₂)O₃₀·H₂O	352	252	0		156
Mongolite ()*	None	Ca₄Nb₆Si₅O₂₄(OH)₁₀·6H₂O	318	291	1	85117	2
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	318	291	1	85117	1508
Neptunite ()*	Neptunite	KNa₂LiFe²⁺₂Ti₂Si₈O₂₄	318	291	1	85117	49
Opal ()*	Amorphous	SiO₂·nH₂O	352	252	0		2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	318	291	1	85117	2349
Polylithionite ()*	Mica	KLi₂AlSi₄O₁₀F₂	318	291	1	85117	89
Pyrolusite ()*	Rutile	MnO₂	318	291	1	85117	3106
Quartz ()*	Quartz	SiO₂	318	291	1	85117	61156
Synchysite-(Ce) ()*	None	CaCe(CO₃)₂F	318	291	1	85117	232
Titanite ()*	Titanite	CaTi(SiO₄)O	318	291	1	85117	4899
Wulfenite ()*	Scheelite	PbMoO₄	352	252	0		1655
Zircon ()*	Zircon	Zr(SiO₄)	293	291	0		5251

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Alexandra-0322	318	292	318–292		Age of alkaline granite			2384	Khan Bogdo Massif (Khan-Bogdinskii), Gobi Desert, Mongolia	Khan-Bogdo massif	Kozlovsky et al. (2005)		P13_218
Bradley_2012_050	293	291	292±1	U/Pb		zircon	Zircon	2384	Khan Bogdo Massif (Khan-Bogdinskii), Gobi Desert, Mongolia	[Khan Bogd Granite]	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
ree-00458	352	252	Late Paleozoic					2384	Khan Bogdo Massif (Khan-Bogdinskii), Gobi Desert, Mongolia	Khan Bogdo	Orris and Grauch (2002)		USGSOFR02_189

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...