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:
Hörningsholm, Alnö, Sundsvall, Västernorrland County, Sweden

Oldest recorded age at locality: 594.1
Youngest recorded age at locality: 577

mindat Locality ID: 224740
mindat URL: http://www.mindat.org/loc-224740.html

Tectonic Settings:

Total number of sublocalities beneath "Hörningsholm, Alnö, Sundsvall, Västernorrland County, Sweden": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Boliden Quarry

Latitude: 62°27'41"N
Longitude: 17°27'25"E
Decimal Degree (lat, lon): 62.461388888889,17.456944444444

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	Analcime	Clay	Garnet	Mica	None	Tridymite	Wöhlerite	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 Ca F Fe H K Mg Na Nb O Si Zr

Elements from minerals reported directly at this locality: Al Ca Fe H K Mg Na O Si Zr

Structural Groups for minerals in this locality:
Amphibole Analcime Clay Garnet Mica None Tridymite Wöhlerite Zircon

7 IMA Minerals at location:

Analcime ()*	Andradite ()*	Muscovite ()*	Nepheline ()*	Tremolite ()*
Wöhlerite ()*	Zircon ()*

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
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	594.1	577	0		1627
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	594.1	577	0		1534
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	594.1	577	0		17380
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	594.1	577	0		884
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	594.1	577	0		2562
Wöhlerite ()*	Wöhlerite	Na₂Ca₄Zr(Nb,Ti)(Si₂O₇)₂(O,F)₄	594.1	577	1	113087	83
Zircon ()*	Zircon	Zr(SiO₄)	594.1	577	0		5251

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000506	Baltica carbonatite complex
Jen_0000507	Baltica carbonatite complex
Jen_0000508	Baltica carbonatite complex

3 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 DOI	Reference ID
Jen_0000506	594.1	585.3	589.7±4.4	U-Pb	baddeleyite	Yes	Baddeleyite	9421	Alnö, Sundsvall, Västernorrland County, Sweden	Alnö	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0000507	588.5	577.1	582.8±5.7	U-Pb	apatite	Yes		9421	Alnö, Sundsvall, Västernorrland County, Sweden	Alnö	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0000508	591	577	584±7	Ar-Ar		Yes		9421	Alnö, Sundsvall, Västernorrland County, Sweden	Alnö	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...