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:
Strömshult Mines, Tunaberg, Nyköping, Södermanland County, Sweden

Oldest recorded age at locality: 1878
Youngest recorded age at locality: 1827

mindat Locality ID: 21857
mindat URL: http://www.mindat.org/loc-21857.html

Tectonic Settings:

Total number of sublocalities beneath "Strömshult Mines, Tunaberg, Nyköping, Södermanland County, Sweden": 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.

Amphibole	Garnet	None	Olivine	Pyroxene

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 Fe H Mg O Si

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

Structural Groups for minerals in this locality:
Amphibole Garnet None Olivine Pyroxene

8 IMA Minerals at location:

Almandine ()*	Anthophyllite ()*	Augite ()*	Cummingtonite ()*	Diopside ()*
Fayalite ()*	Ferrosilite ()*	Grunerite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1878	1827	2353
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	1878	1827	718
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1878	1827	2060
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	1878	1827	327
Diopside ()*	Pyroxene	CaMgSi₂O₆	1878	1827	4135
Fayalite ()*	Olivine	Fe²⁺₂(SiO₄)	1878	1827	371
Ferrosilite ()*	Pyroxene	Fe²⁺₂Si₂O₆	1878	1827	84
Grunerite ()*	Amphibole	Fe²⁺₂Fe²⁺₅Si₈O₂₂(OH)₂	1878	1827	223

2 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
	GFF120_315-00001	1878	1864	1871±7				zircon			Yes	Zircon			5796	Tunaberg Cu-Co Ore Field, Tunaberg, Nyköping, Södermanland County, Sweden	Tunaberg	Lundström et al. (1998)	10.1080/11035899809453225	GFF120_315
	GFF120_315-00002	1845	1827	1836±9				zircon			Yes	Zircon			5796	Tunaberg Cu-Co Ore Field, Tunaberg, Nyköping, Södermanland County, Sweden	Tunaberg	Lundström et al. (1998)	10.1080/11035899809453225	GFF120_315

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...