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:
Kleggåsen Ruby Quarry, Froland, Aust-Agder, Norway

Oldest recorded age at locality: 1090
Youngest recorded age at locality: 843

mindat Locality ID: 32931
mindat URL: http://www.mindat.org/loc-32931.html

Tectonic Settings:

Total number of sublocalities beneath "Kleggåsen Ruby Quarry, Froland, Aust-Agder, Norway": 0
Total number of bottom-level sublocalities: 0

Latitude: 58°31'53"N
Longitude: 8°38'12"E
Decimal Degree (lat, lon): 58.531388888889,8.6366666666667

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.

Apatite	Beryl	Clay	Corundum	Diaspore	Feldspar	Mica	None	Not in a structural group	Rutile
Smectite-vermiculite

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 Ca Cr F H K Mg Na O P Si Ti

Elements from minerals reported directly at this locality: Al Be Ca Cr F H K Mg Na O P Si Ti

Structural Groups for minerals in this locality:
Apatite Beryl Clay Corundum Diaspore Feldspar Mica None Not in a structural group Rutile
Smectite-vermiculite

10 IMA Minerals at location:

Albite ()*	Beryl ()*	Corundum ()*	Diaspore ()*	Fluorapatite ()*
Kyanite ()*	Muscovite ()*	Rutile ()*	Sillimanite ()*	Volkonskoite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1090	843	8803
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1090	843	4286
Corundum ()*	Corundum	Al₂O₃	1090	843	1797
Diaspore ()*	Diaspore	AlO(OH)	1090	843	481
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1090	843	2740
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1090	843	1507
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1090	843	17380
Rutile ()*	Rutile	TiO₂	1090	843	5614
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1090	843	1516
Volkonskoite ()*	Clay Smectite-vermiculite	Ca_0.3(Cr,Mg)₂(Si,Al)₄O₁₀(OH)₂·4H₂O	1090	1090	22

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	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
Cr-00016	1090	1090	1090	U-Pb	cleveite	Yes	Volkonskoite	Cr	14334	Aust-Agder, Norway	Aust-Agder, Telemark	Gastil (1960)	10.2475/ajs.258.1.1	AJS258_1
Mo-00039	982	944		Rb-Sr		Yes		Mo	2456	Froland, Aust-Agder, Norway		Baadsgaard et al. (1984)		NGT64_111
Mo-00040	943	843	893±50	Rb-Sr		Yes	Molybdenite	Mo	2456	Froland, Aust-Agder, Norway	Froland	Baadsgaard et al. (1984)		NGT64_111

All locality data graciously provided by mindat.org

All age data...