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:
Obmannyi Pass, Valepakhk Mt., Khibiny Massif, Murmansk Oblast, Russia

Oldest recorded age at locality: 413.6
Youngest recorded age at locality: 319.6

mindat Locality ID: 246367
mindat URL: http://www.mindat.org/loc-246367.html

Tectonic Settings:

Total number of sublocalities beneath "Obmannyi Pass, Valepakhk Mt., Khibiny Massif, Murmansk Oblast, Russia": 0
Total number of bottom-level sublocalities: 0

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.

Ancylite	Aragonite	Calcite	Edingtonite	Feldspar	Natrolite	None	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 Ba C Ca Ce H K La Na O Si Sr Th

Elements from minerals reported directly at this locality: Al Ba C Ca Ce H K La Na O Si Sr Th

Structural Groups for minerals in this locality:
Ancylite Aragonite Calcite Edingtonite Feldspar Natrolite None Zircon

8 IMA Minerals at location:

Ancylite-(Ce) ()*	Ancylite-(La) ()*	Calcite ()*	Edingtonite ()*	Microcline ()*
Natrolite ()*	Strontianite ()*	Thorite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Ancylite-(Ce) ()*	Ancylite	CeSr(CO₃)₂(OH)·H₂O	413.6	319.6	92
Ancylite-(La) ()*	Ancylite	LaSr(CO₃)₂(OH)·H₂O	413.6	319.6	13
Calcite ()*	Calcite	Ca(CO₃)	413.6	319.6	27770
Edingtonite ()*	Edingtonite	Ba(Si₃Al₂)O₁₀·4H₂O	413.6	319.6	26
Microcline ()*	Feldspar	K(AlSi₃O₈)	413.6	319.6	4924
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	413.6	319.6	1236
Strontianite ()*	Aragonite	Sr(CO₃)	413.6	319.6	589
Thorite ()*	Zircon	Th(SiO₄)	413.6	319.6	1006

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000483	MAGMATIC STYLE: 800 m diameter stock of multistage carbonatite breccias cut by stockwork of carbonatite veins. ASSOCIATED SILICATE ROCKS: Layered series including peralkaline and nepheline syenites, khibinite, rischorrite, melteigite, ijolite and urtite.
Jen_0000484	MAGMATIC STYLE: 800 m diameter stock of multistage carbonatite breccias cut by stockwork of carbonatite veins. ASSOCIATED SILICATE ROCKS: Layered series including peralkaline and nepheline syenites, khibinite, rischorrite, melteigite, ijolite and urtite.
Jen_0000485	MAGMATIC STYLE: 800 m diameter stock of multistage carbonatite breccias cut by stockwork of carbonatite veins. ASSOCIATED SILICATE ROCKS: Layered series including peralkaline and nepheline syenites, khibinite, rischorrite, melteigite, ijolite and urtite.
Jen_0000486	MAGMATIC STYLE: 800 m diameter stock of multistage carbonatite breccias cut by stockwork of carbonatite veins. ASSOCIATED SILICATE ROCKS: Layered series including peralkaline and nepheline syenites, khibinite, rischorrite, melteigite, ijolite and urtite.

11 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample Num	Age from other Locality	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000483	378	352	365±13	Rb-Sr		apatite, nepheline		Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibina	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0000484	366.9	357.9	362.4±4.5	Rb-Sr		apatite, nepheline		Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibina	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0000485	381.2	373.4	377.3±3.9	Sm-Nd		apatite, nepheline		Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibina	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0000486	413.6	319.6	366.6±47	Sm-Nd		apatite, nepheline, calcite		Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibina	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Kaitlynn000150	390	376	383±7	U-Pb	Formation of alkaline intrusions	biotite	KHI-1338	Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibiny Massif	Arzamastsev & Wu (2014)	10.1134/S0869591114050026	P22_462
Kaitlynn000151	391	377	384±7	U-Pb	Formation of alkaline intrusions	biotite	KHI-1338	Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibiny Massif	Arzamastsev & Wu (2014)	10.1134/S0869591114050026	P22_462
Kaitlynn000152	372	366	369±3	U-Pb	Formation of alkaline intrusions	biotite	KHI-1	Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibiny Massif	Arzamastsev & Wu (2014)	10.1134/S0869591114050026	P22_462
Kaitlynn000153	372	366	369±3	U-Pb	Formation of alkaline intrusions	biotite	KHI-1	Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibiny Massif	Arzamastsev & Wu (2014)	10.1134/S0869591114050026	P22_462
Kaitlynn000154	373	367	370±3	U-Pb	Formation of alkaline intrusions	biotite	KHI-2	Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibiny Massif	Arzamastsev & Wu (2014)	10.1134/S0869591114050026	P22_462
Kaitlynn000155	374	368	371±3	U-Pb	Formation of alkaline intrusions	biotite	KHI-2	Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibiny Massif	Arzamastsev & Wu (2014)	10.1134/S0869591114050026	P22_462
P22_462_fig1_007	383	362						Yes	2680	Khibiny Massif, Murmansk Oblast, Russia	Khibiny	Arzamastsev & Wu (2014)	10.1134/S0869591114050026	P22_462

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...