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:
Brokärr, Kimitoön (Kemiönsaari), Southwest Finland, Finland

Oldest recorded age at locality: 1809.9
Youngest recorded age at locality: 1804.1

mindat Locality ID: 193595
mindat URL: http://www.mindat.org/loc-193595.html

Tectonic Settings:

Total number of sublocalities beneath "Brokärr, Kimitoön (Kemiönsaari), Southwest Finland, Finland": 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.

Beryl	Feldspar	Garnet	None	Not in a structural group	Olivine	Quartz	Spinel

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 Fe K Mg Na O Si

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

Structural Groups for minerals in this locality:
Beryl Feldspar Garnet None Not in a structural group Olivine Quartz Spinel

8 IMA Minerals at location:

Albite ()*	Almandine ()*	Beryl ()*	Chrysoberyl ()*	Microcline ()*
Quartz ()*	Sillimanite ()*	Spinel ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1809.9	1804.1	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1809.9	1804.1	2353
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1809.9	1804.1	4286
Chrysoberyl ()*	Olivine	BeAl₂O₄	1809.9	1804.1	321
Microcline ()*	Feldspar	K(AlSi₃O₈)	1809.9	1804.1	4924
Quartz ()*	Quartz	SiO₂	1809.9	1804.1	61156
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1809.9	1804.1	1516
Spinel ()*	Spinel	MgAl₂O₄	1809.9	1804.1	1934

1 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
	Kristen002523	1809.9	1804.1	1807±2.9				tantalo-niobates			Yes				192473	Kimitoön (Kemiönsaari), Southwest Finland, Finland	Kemiö	Tkachev (2011)	10, 1144/SP350,2	GSLSP350_7

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...