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:
Dulahala, Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China

Oldest recorded age at locality: 2070
Youngest recorded age at locality: 809

mindat Locality ID: 216728
mindat URL: http://www.mindat.org/loc-216728.html

Tectonic Settings:

Total number of sublocalities beneath "Dulahala, Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Wu Dyke

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Amphibole	Apatite	Baryte	Bastnäsite	Calcite	Clay	Cordylite	Corundum	Feldspar	Fluorite
Mica	None	Parisite	Quartz	Spinel

Albite ()*	Arfvedsonite ()*	Baryte ()*	Bastnäsite-(Ce) ()*	Calcite ()*
Cebaite-(Ce) ()*	Cordylite-(Ce) ()*	Dolomite ()*	Fluorapatite ()*	Fluorite ()*
Hematite ()*	Huanghoite-(Ce) ()*	Magnesio-riebeckite ()*	Magnetite ()*	Parisite-(Ce) ()*
Phlogopite ()*	Quartz ()*	Riebeckite ()*

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 Ba C Ca Ce F Fe H K Mg Na O P S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Apatite Baryte Bastnäsite Calcite Clay Cordylite Corundum Feldspar Fluorite
Mica None Parisite Quartz Spinel

18 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)	2070	809	1	40690	8803
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	2070	809	1	40690	295
Baryte ()*	Baryte	Ba(SO₄)	2070	809	1	40690	11547
Bastnäsite-(Ce) ()*	Bastnäsite	Ce(CO₃)F	2070	809	1	40690	304
Calcite ()*	Calcite	Ca(CO₃)	2070	809	1	40690	27770
Cebaite-(Ce) ()*	None	Ba₃Ce₂(CO₃)₅F₂	2070	809	1	40690	8
Cordylite-(Ce) ()*	Cordylite	(Na,Ca, )BaCe₂(CO₃)₄(F,O)	2070	809	1	40690	15
Dolomite ()*	None	CaMg(CO₃)₂	2070	809	1	40690	9895
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2070	809	1	40690	2740
Fluorite ()*	Fluorite	CaF₂	2070	809	1	40690	9617
Hematite ()*	Corundum	Fe₂O₃	2070	809	1	40690	14640
Huanghoite-(Ce) ()*	None	BaCe(CO₃)₂F	2070	809	1	40690	9
Magnesio-riebeckite ()*	Amphibole	Na₂(Mg₃Fe³⁺₂)Si₈O₂₂(OH)₂	2070	809	1	40690	93
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2070	809	1	40690	14899
Parisite-(Ce) ()*	Parisite	CaCe₂(CO₃)₃F₂	2070	809	1	40690	112
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2070	809	1	40690	2273
Quartz ()*	Quartz	SiO₂	2070	809	1	40690	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	2070	809	1	40690	375

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0001114	MAGMATIC STYLE: Dykes and possible dolomitized carbonatite tuff. ASSOCIATED SILICATE ROCKS: There are extensive peralkaline granites but their relationship, if any, to the carbonatites is not clear. Basic dykes and brecciated peridotite also occur.
Jen_0001115	MAGMATIC STYLE: Dykes and possible dolomitized carbonatite tuff. ASSOCIATED SILICATE ROCKS: There are extensive peralkaline granites but their relationship, if any, to the carbonatites is not clear. Basic dykes and brecciated peridotite also occur.
Jen_0001116	MAGMATIC STYLE: Dykes and possible dolomitized carbonatite tuff. ASSOCIATED SILICATE ROCKS: There are extensive peralkaline granites but their relationship, if any, to the carbonatites is not clear. Basic dykes and brecciated peridotite also occur.
Jen_0001117	MAGMATIC STYLE: Dykes and possible dolomitized carbonatite tuff. ASSOCIATED SILICATE ROCKS: There are extensive peralkaline granites but their relationship, if any, to the carbonatites is not clear. Basic dykes and brecciated peridotite also occur.
Jen_0001118	MAGMATIC STYLE: Dykes and possible dolomitized carbonatite tuff. ASSOCIATED SILICATE ROCKS: There are extensive peralkaline granites but their relationship, if any, to the carbonatites is not clear. Basic dykes and brecciated peridotite also occur.
Jen_0001119	MAGMATIC STYLE: Dykes and possible dolomitized carbonatite tuff. ASSOCIATED SILICATE ROCKS: There are extensive peralkaline granites but their relationship, if any, to the carbonatites is not clear. Basic dykes and brecciated peridotite also occur.
Jen_0001120	MAGMATIC STYLE: Dykes and possible dolomitized carbonatite tuff. ASSOCIATED SILICATE ROCKS: There are extensive peralkaline granites but their relationship, if any, to the carbonatites is not clear. Basic dykes and brecciated peridotite also occur.

7 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Age from other Locality	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
Jen_0001114	2070	2070	2070	U-Pb	zircon	Yes	Zircon	720	Bayan Obo Deposit (Bayun-Obo Deposit; Baiyunebo Deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China	Bayan Obo Mine	Yang and Woolley (2006)	JAES27_559
Jen_0001115	809	809	809	Sm-Nd	whole rock	Yes		720	Bayan Obo Deposit (Bayun-Obo Deposit; Baiyunebo Deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China	Bayan Obo Mine	Yang and Woolley (2006)	JAES27_559
Jen_0001116	1223	1223	1223	Sm-Nd	whole rock	Yes		720	Bayan Obo Deposit (Bayun-Obo Deposit; Baiyunebo Deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China	Bayan Obo Mine	Yang and Woolley (2006)	JAES27_559
Jen_0001117	1286	1286	1286	Sm-Nd	whole rock	Yes		720	Bayan Obo Deposit (Bayun-Obo Deposit; Baiyunebo Deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China	Bayan Obo Mine	Yang and Woolley (2006)	JAES27_559
Jen_0001118	1313	1313	1313	Sm-Nd	whole rock	Yes		720	Bayan Obo Deposit (Bayun-Obo Deposit; Baiyunebo Deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China	Bayan Obo Mine	Yang and Woolley (2006)	JAES27_559
Jen_0001119	1096	1096	1096	Sm-Nd	whole rock	Yes		720	Bayan Obo Deposit (Bayun-Obo Deposit; Baiyunebo Deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China	Bayan Obo Mine	Yang and Woolley (2006)	JAES27_559
Jen_0001120	1208	1208	1208	Sm-Nd	whole rock	Yes		720	Bayan Obo Deposit (Bayun-Obo Deposit; Baiyunebo Deposit), Bayan Obo, Bayan Obo Mining District, Baotou League (Baotou Prefecture), Inner Mongolia, China	Bayan Obo Mine	Yang and Woolley (2006)	JAES27_559

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...