Flekkefjord, Agder, Norway i
Regional Level Types
Flekkefjord Municipality
Agder County
Norway Country

W. L. Griffin, Brenda Nilsen, B. B. Jensen (1977) Mineralogiske undersøkelser av tinntallerkener fra Hidra-vraket. Norsk Sjøfartsmuseums Årsberetning, 1976. 111-114

Raade, Gunnar (1988) Keiviitt-(Y) og abhuritt, to mineraler som aldri ble originalbeskrevet fra norske forekomster. Mineralogisk-Geologisk Museum - Universitetet i Oslo- Interne notater, Geologisk Museums venner. 139-140

ⓘ 'Aeschynite'

Locality: Bukstad, Hidra, Flekkefjord, Agder, Norway

References:

Flink, Gustav (1886) Mineralogiska notiser I. 8. Xenotim från Hitterö, Norge [Mineralogical notes I. 8. Xenotime from Hitterö, Norway], in Mineralogiska notiser 1. Bihang til Svenska vetenskapsakademien handlingar, 12 (3) 41-42

ⓘ Aeschynite-(Ce)

Formula: Ce(TiNb)O₆

Locality: Hidra, Flekkefjord, Agder, Norway

References:

Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. - Ed. (1997) Handbook of Mineralogy Vol. 3 - Halides, Hydroxides, Oxides. Mineral Data Publishing, Tucson, Arizona. p.1-682.

ⓘ Aeschynite-(Y) (TL)

Formula: Y(TiNb)O₆

Localities: Reported from at least 7 localities in this region.

Type Locality: Urstad Feldspar Mine, Hidra, Flekkefjord, Agder, Norway

Habit: Platy after {010}, with the dominant form {010}, {130}, {001}. Forms also observed: {110}, {120}, {111}, {101}, [001}

Colour: Brownish black, metamict with thin brownish alteration

Description: Brøgger (1879) gave a crystallographic description of a black mineral from Urstad without chemical analysis. He thought it to be identical with aeschynite (From Miask, which later was named aeschynite-(Ce)). In Brøgger (1906) the mineral were described in detail, and gave it the name Blomstrandine. He states on p. 104 the that aeschynite from Miask is a Cerium-Aeschynit and that the blomstrandine from Hitterö was a "Yttrium-Aeschynit". A part of a crystal weighing 3kg and chunks up to 20 kg has been noted.

ⓘ Albite

Formula: Na(AlSi₃O₈)

Localities: Reported from at least 10 localities in this region.

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

Localities: Reported from at least 9 localities in this region.

ⓘ 'Alkali Feldspar'

Localities:

Mæåsen (Medåsen), Hæstad, Hidra, Flekkefjord, Agder, Norway
Helle feldspar quarry, Hidra, Flekkefjord, Agder, Norway

ⓘ 'Allanite Group'

Formula: (A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

Localities: Reported from at least 13 localities in this region.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃A

Localities:

Hidra, Flekkefjord, Agder, Norway
Åna-Sira, Flekkefjord, Agder, Norway

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Locality: Åna-Sira, Flekkefjord, Agder, Norway

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ Beryl

Formula: Be₃Al₂(Si₆O₁₈)

Localities:

Hidra, Flekkefjord, Agder, Norway
Igletjødn Feldspar Quarry (Igletjern), Hæstad, Hidra, Flekkefjord, Agder, Norway

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

Localities: Reported from at least 10 localities in this region.

Description: Large amount of biotite was found here. At one occasion about 2 tons were taken out (Adamson 1942)

ⓘ 'Chlorite Group'

Locality: Åna-Sira, Flekkefjord, Agder, Norway

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ Columbite-(Fe)

Formula: Fe²⁺Nb₂O₆

Locality: Hidra, Flekkefjord, Agder, Norway

References:

Müller, Axel, Romer, Rolf L., Pedersen, Rolf-Birger (2017) The Sveconorwegian Pegmatite Province – Thousands of Pegmatites Without Parental Granites. The Canadian Mineralogist, 55 (2) 283-315 doi:10.3749/canmin.1600075

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

Locality: Hidra, Flekkefjord, Agder, Norway

Description: Brøgger (1906) p.59 mentions a crystal of 2 cm from Hidra (Hitterö)

References:

Brøgger, W. C. (1906) Die Mineralien der Südnorwegischen Granit-Pegmatitgänge - I. Niobate, Tantalate, Titanate und Titanoniobate [The minerals of the South Norwegian granite pegmatite dikes - I. Niobates, tantalates, titanates and titanoniobates]. Videnskabsselskabet i Christiania Skrifter - I Mathematisk-naturvidenskabelig klasse, 1906 (6). 1-162

ⓘ Cotunnite

Formula: PbCl₂

Locality: Shipwreck site, Hidra, Flekkefjord, Agder, Norway

Description: As thin inclusions in plaets of abhurite Antropogenic formed materiale.

References:

W. L. Griffin, Brenda Nilsen, B. B. Jensen (1977) Mineralogiske undersøkelser av tinntallerkener fra Hidra-vraket. Norsk Sjøfartsmuseums Årsberetning, 1976. 111-114

ⓘ Cummingtonite

Formula: ◻Mg₂Mg₅(Si₈O₂₂)(OH)₂

Locality: Åna-Sira, Flekkefjord, Agder, Norway

Description: Finegrained masses of fibrous crystals as pseudomorphs of olivine

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ 'Davidite'

Locality: Igletjødn Feldspar Quarry (Igletjern), Hæstad, Hidra, Flekkefjord, Agder, Norway

Description: Identified from an old specimen in the mineral collection at Natural History Museum, Oslo

References:

Neumann, Henrich, Nilssen, Borghild (1962) Nytt funn av daviditt. Mineralogisk-Geologisk Museum - Universitetet i Oslo- Interne notater, Geologisk Museums venner. 8p.8

Neumann, Henrich (1985) Norges Mineraler [The Minerals of Norway]. Norges geologiske Undersøkelse Skrifter Vol. 68. Universitetsforlaget p.67

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Locality: Åna-Sira, Flekkefjord, Agder, Norway

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ Euxenite-(Y)

Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆

Localities: Reported from at least 8 localities in this region.

ⓘ 'Feldspar Group'

Localities:

Igletjødn Feldspar Quarry (Igletjern), Hæstad, Hidra, Flekkefjord, Agder, Norway
Mæåsen (Medåsen), Hæstad, Hidra, Flekkefjord, Agder, Norway

ⓘ 'Feldspar Group var. Sunstone'

Locality: Hidra, Flekkefjord, Agder, Norway

References:

Mason, Anita (1976) The World of Rocks and Minerals. Larousse & Co., Inc., New York.

ⓘ Ferrosilite

Formula: Fe²⁺₂Si₂O₆

Locality: Hidra, Flekkefjord, Agder, Norway

References:

Deer, W. A., Howie, R. A., and Zussman, J., 1963, Rock-Forming Minerals, v 2 Chain Silicates, p 21.

ⓘ 'Gadolinite'

Locality: Bukstad, Hidra, Flekkefjord, Agder, Norway

References:

ⓘ Gadolinite-(Y)

Formula: Y₂Fe²⁺Be₂Si₂O₁₀

Localities: Reported from at least 8 localities in this region.

ⓘ Hematite

Formula: Fe₂O₃

Locality: Hidra, Flekkefjord, Agder, Norway

References:

Scheerer, Th. (1844) Über den Norit und die auf der Insel Hitteröe in dieser Gebirgsart vorkommenden mineralreichen Granitgänge [About the Norit and the mineral-rich granite veins found in this type of rock on the island of Hitteröe]. In Gaea Norvegica Vol. 2. Johann Dahl. p.313-340.

ⓘ 'Hypersthene'

Formula: (Mg,Fe)SiO₃

Locality: Hidra, Flekkefjord, Agder, Norway

References:

ⓘ 'Iddingsite'

Locality: Åna-Sira, Flekkefjord, Agder, Norway

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Localities: Reported from at least 10 localities in this region.

ⓘ Ilvaite

Formula: CaFe³⁺Fe²⁺₂(Si₂O₇)O(OH)

Locality: Åna-Sira, Flekkefjord, Agder, Norway

Description: Finegrained aggregates < 1 mm in diameter

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ Kainosite-(Y) (TL)

Formula: Ca₂Y₂(SiO₃)₄(CO₃) · H₂O

Type Locality:

References:

Nordenskiöld, A. E. (1886) Mineralogiska bidrag. 9. Kainosit, ett nytt mineral från Hitterö i Norge [Mineralogical contributions. 9. Kainosite, a new mineral from Hitterö in Norway]. Geologiska Föreningen i Stockholm Förhandlingar, 8 (2). 143-146 doi:10.1080/11035898609443570

ⓘ 'K Feldspar'

Locality: Broddalen, Hæstad, Hidra, Flekkefjord, Agder, Norway

References:

Knut Edvard larsen collection nr 3700 (Ex Alf Olav Larsen collectionIdentified by Knut Edvard Larsen: Visual Identification, Dealer/Collection Label

ⓘ Löllingite

Formula: FeAs₂

Locality: Shipwreck site, Hidra, Flekkefjord, Agder, Norway

Description: As tiny inclusions in blades of abhurite

References:

W. L. Griffin, Brenda Nilsen, B. B. Jensen (1977) Mineralogiske undersøkelser av tinntallerkener fra Hidra-vraket. Norsk Sjøfartsmuseums Årsberetning, 1976. 111-114

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities: Reported from at least 11 localities in this region.

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

Locality: Åna-Sira, Flekkefjord, Agder, Norway

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ Microcline

Formula: K(AlSi₃O₈)

Localities: Reported from at least 9 localities in this region.

ⓘ Molybdenite

Formula: MoS₂

Localities:

Igletjødn Feldspar Quarry (Igletjern), Hæstad, Hidra, Flekkefjord, Agder, Norway
Djupetjørni molybdenite prospects, Flekkefjord, Agder, Norway
Konnstali Molybdenite Mine, Flekkefjord, Agder, Norway
Slådelslia, Rasvåg feldspar mines, Hidra, Flekkefjord, Agder, Norway

ⓘ Monazite-(Ce)

Formula: Ce(PO₄)

Locality: Hidra, Flekkefjord, Agder, Norway

References:

Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.

ⓘ 'Monazite Group'

Formula: REE(PO₄)

Localities:

Slådelslia, Rasvåg feldspar mines, Hidra, Flekkefjord, Agder, Norway
Reseraua, Rasvåg feldspar mines, Hidra, Flekkefjord, Agder, Norway
Igletjødn Feldspar Quarry (Igletjern), Hæstad, Hidra, Flekkefjord, Agder, Norway

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities: Reported from at least 7 localities in this region.

ⓘ Native Tin

Formula: Sn

Locality: Shipwreck site, Hidra, Flekkefjord, Agder, Norway

References:

W. L. Griffin, Brenda Nilsen, B. B. Jensen (1977) Mineralogiske undersøkelser av tinntallerkener fra Hidra-vraket. Norsk Sjøfartsmuseums Årsberetning, 1976. 111-114

ⓘ Perrierite-(Ce)

Formula: Ce₄MgFe³⁺₂Ti₂(Si₂O₇)₂O₈

Locality: Urstad Feldspar Mine, Hidra, Flekkefjord, Agder, Norway

Habit: subhedral

Description: 5 cm long, metamict subhedral crystals. Identified by heating and XRD at NHM, Oslo

References:

Berg, Hans-Jørgen (2000) News and rumors 2000. STEIN. Magasin for populærgeologi, 27 (2) 18

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Localities:

Helle feldspar quarry, Hidra, Flekkefjord, Agder, Norway
Åna-Sira, Flekkefjord, Agder, Norway

ⓘ Prehnite

Formula: Ca₂Al₂Si₃O₁₀(OH)₂

Locality: Åna-Sira, Flekkefjord, Agder, Norway

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ Pyrrhotite

Formula: Fe_1-xS

Locality: Djupetjørni molybdenite prospects, Flekkefjord, Agder, Norway

References:

Olerud, S. (1980) Molybdenforekomster mellom Flottorp og Ørsdalen, sammenstilling og enkeltundersøkelser. NGU rapport 1650/50A. s. 23

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 12 localities in this region.

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Locality: Åna-Sira, Flekkefjord, Agder, Norway

References:

Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17

ⓘ Spessartine

Formula: Mn²⁺₃Al₂(SiO₄)₃

Localities:

Urstad Feldspar Mine, Hidra, Flekkefjord, Agder, Norway
Reseraua, Rasvåg feldspar mines, Hidra, Flekkefjord, Agder, Norway
Slådelslia, Rasvåg feldspar mines, Hidra, Flekkefjord, Agder, Norway

ⓘ Tengerite-(Y) ?

Formula: Y₂(CO₃)₃ · 2-3H₂O

Locality: Hidra, Flekkefjord, Agder, Norway

Colour: yellow-white

Description: As a thin crust on gadolinite-(Y). Identified before tengerite-(Y) was redefined.

References:

Adamson, Olge J. (1942) The Granite Pegmatites of Hitterö, Southwestern Norway. Geologiska Föreningen i Stockholm Förhandlingar, 64 (2) 97-116 doi:10.1080/11035894209445089

ⓘ Thorite

Formula: Th(SiO₄)

Localities:

Hidra, Flekkefjord, Agder, Norway
Slådelslia, Rasvåg feldspar mines, Hidra, Flekkefjord, Agder, Norway

Description: Cat. no. 18810067 NRM, Stockholm

ⓘ Xenotime-(Y) (TL)

Formula: Y(PO₄)

Localities: Reported from at least 10 localities in this region.

Type Locality: Hidra, Flekkefjord, Agder, Norway

Description: Berzelius (1828); described as "Phosphorsyrad Ytterjord", with locality given as "Lindesnes" and found by Mr. Tank d.y.(the Yuonger). Name Xenotime first used by F. S. Beudant (1832). Scheerer corrected the type locality information to Hitterø, according to unpublished notes by Mr. Tank.

ⓘ Zircon

Formula: Zr(SiO₄)

Localities: Reported from at least 10 localities in this region.

ⓘ Zircon var. Malacon

Formula: Zr(SiO₄)

Localities: Reported from at least 8 localities in this region.

Gallery:

Zr(SiO₄)ⓘ Zircon var. Malacon

Malacon

Hidra, Flekkefjord, Agder, Norway

Malacon

Hidra, Flekkefjord, Agder, Norway

Malacon

Hidra, Flekkefjord, Agder, Norway

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Tin	1.AC.10	Sn
Group 2 - Sulphides and Sulfosalts
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	Löllingite	2.EB.15a	FeAs₂
Group 3 - Halides
ⓘ	Cotunnite	3.AB.85	PbCl₂
ⓘ	Abhurite	3.DA.30	Sn₂₁Cl₁₆(OH)₁₄O₆
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Columbite-(Fe)	4.DB.35	Fe²⁺Nb₂O₆
ⓘ	Aeschynite-(Ce)	4.DF.05	Ce(TiNb)O₆
ⓘ	Aeschynite-(Y) (TL)	4.DF.05	Y(TiNb)O₆
ⓘ	Euxenite-(Y)	4.DG.05	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Group 5 - Nitrates and Carbonates
ⓘ	Tengerite-(Y) ?	5.CC.10	Y₂(CO₃)₃ · 2-3H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Xenotime-(Y) (TL)	8.AD.35	Y(PO₄)
ⓘ	Monazite-(Ce)	8.AD.50	Ce(PO₄)
Group 9 - Silicates
ⓘ	Spessartine	9.AD.25	Mn²⁺₃Al₂(SiO₄)₃
ⓘ	Thorite	9.AD.30	Th(SiO₄)
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	var. Malacon	9.AD.30	Zr(SiO₄)
ⓘ	Gadolinite-(Y)	9.AJ.20	Y₂Fe²⁺Be₂Si₂O₁₀
ⓘ	Ilvaite	9.BE.07	CaFe³⁺Fe²⁺₂(Si₂O₇)O(OH)
ⓘ	Perrierite-(Ce)	9.BE.70	Ce₄MgFe³⁺₂Ti₂(Si₂O₇)₂O₈
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Kainosite-(Y) (TL)	9.CF.10	Ca₂Y₂(SiO₃)₄(CO₃) · H₂O
ⓘ	Beryl	9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ	Ferrosilite	9.DA.05	Fe²⁺₂Si₂O₆
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Cummingtonite	9.DE.05	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Oligoclase	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
Unclassified
ⓘ	'Aeschynite'	-
ⓘ	'Alkali Feldspar'	-
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Davidite'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Hypersthene'	-	(Mg,Fe)SiO₃
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Iddingsite'	-
ⓘ	'Columbite-(Fe)-Columbite-(Mn) Series'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-
ⓘ	'Gadolinite'	-
ⓘ	'Feldspar Group var. Sunstone'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A
ⓘ	'Allanite Group'	-	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Abhurite	Sn₂₁Cl₁₆(OH)₁₄O₆
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Cummingtonite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Ilvaite	CaFe³⁺Fe₂²⁺(Si₂O₇)O(OH)
H	ⓘ Kainosite-(Y)	Ca₂Y₂(SiO₃)₄(CO₃) · H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Tengerite-(Y)	Y₂(CO₃)₃ · 2-3H₂O
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
Be	Beryllium
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Be	ⓘ Gadolinite-(Y)	Y₂Fe²⁺Be₂Si₂O₁₀
C	Carbon
C	ⓘ Kainosite-(Y)	Ca₂Y₂(SiO₃)₄(CO₃) · H₂O
C	ⓘ Tengerite-(Y)	Y₂(CO₃)₃ · 2-3H₂O
O	Oxygen
O	ⓘ Abhurite	Sn₂₁Cl₁₆(OH)₁₄O₆
O	ⓘ Aeschynite-(Ce)	Ce(TiNb)O₆
O	ⓘ Aeschynite-(Y)	Y(TiNb)O₆
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Cummingtonite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
O	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
O	ⓘ Ferrosilite	Fe₂²⁺Si₂O₆
O	ⓘ Gadolinite-(Y)	Y₂Fe²⁺Be₂Si₂O₁₀
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Hypersthene	(Mg,Fe)SiO₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Ilvaite	CaFe³⁺Fe₂²⁺(Si₂O₇)O(OH)
O	ⓘ Kainosite-(Y)	Ca₂Y₂(SiO₃)₄(CO₃) · H₂O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Monazite-(Ce)	Ce(PO₄)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Perrierite-(Ce)	Ce₄MgFe₂³⁺Ti₂(Si₂O₇)₂O₈
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
O	ⓘ Tengerite-(Y)	Y₂(CO₃)₃ · 2-3H₂O
O	ⓘ Thorite	Th(SiO₄)
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Xenotime-(Y)	Y(PO₄)
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Apatite	Ca₅(PO₄)₃A
O	ⓘ Zircon var. Malacon	Zr(SiO₄)
O	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Cummingtonite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
Mg	ⓘ Hypersthene	(Mg,Fe)SiO₃
Mg	ⓘ Perrierite-(Ce)	Ce₄MgFe₂³⁺Ti₂(Si₂O₇)₂O₈
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Cummingtonite	◻Mg₂Mg₅(Si₈O₂₂)(OH)₂
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Ferrosilite	Fe₂²⁺Si₂O₆
Si	ⓘ Gadolinite-(Y)	Y₂Fe²⁺Be₂Si₂O₁₀
Si	ⓘ Hypersthene	(Mg,Fe)SiO₃
Si	ⓘ Ilvaite	CaFe³⁺Fe₂²⁺(Si₂O₇)O(OH)
Si	ⓘ Kainosite-(Y)	Ca₂Y₂(SiO₃)₄(CO₃) · H₂O
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Perrierite-(Ce)	Ce₄MgFe₂³⁺Ti₂(Si₂O₇)₂O₈
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Si	ⓘ Thorite	Th(SiO₄)
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Zircon var. Malacon	Zr(SiO₄)
Si	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
P	Phosphorus
P	ⓘ Monazite Group	REE(PO₄)
P	ⓘ Monazite-(Ce)	Ce(PO₄)
P	ⓘ Xenotime-(Y)	Y(PO₄)
P	ⓘ Apatite	Ca₅(PO₄)₃A
S	Sulfur
S	ⓘ Molybdenite	MoS₂
S	ⓘ Pyrrhotite	Fe_1-xS
Cl	Chlorine
Cl	ⓘ Abhurite	Sn₂₁Cl₁₆(OH)₁₄O₆
Cl	ⓘ Cotunnite	PbCl₂
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ca	ⓘ Ilvaite	CaFe³⁺Fe₂²⁺(Si₂O₇)O(OH)
Ca	ⓘ Kainosite-(Y)	Ca₂Y₂(SiO₃)₄(CO₃) · H₂O
Ca	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Ti	Titanium
Ti	ⓘ Aeschynite-(Ce)	Ce(TiNb)O₆
Ti	ⓘ Aeschynite-(Y)	Y(TiNb)O₆
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Perrierite-(Ce)	Ce₄MgFe₂³⁺Ti₂(Si₂O₇)₂O₈
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Mn	Manganese
Mn	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Mn	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Fe	Iron
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
Fe	ⓘ Ferrosilite	Fe₂²⁺Si₂O₆
Fe	ⓘ Gadolinite-(Y)	Y₂Fe²⁺Be₂Si₂O₁₀
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Hypersthene	(Mg,Fe)SiO₃
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Ilvaite	CaFe³⁺Fe₂²⁺(Si₂O₇)O(OH)
Fe	ⓘ Löllingite	FeAs₂
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Perrierite-(Ce)	Ce₄MgFe₂³⁺Ti₂(Si₂O₇)₂O₈
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
As	Arsenic
As	ⓘ Löllingite	FeAs₂
Y	Yttrium
Y	ⓘ Aeschynite-(Y)	Y(TiNb)O₆
Y	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Y	ⓘ Gadolinite-(Y)	Y₂Fe²⁺Be₂Si₂O₁₀
Y	ⓘ Kainosite-(Y)	Ca₂Y₂(SiO₃)₄(CO₃) · H₂O
Y	ⓘ Tengerite-(Y)	Y₂(CO₃)₃ · 2-3H₂O
Y	ⓘ Xenotime-(Y)	Y(PO₄)
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Zr	ⓘ Zircon var. Malacon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Aeschynite-(Ce)	Ce(TiNb)O₆
Nb	ⓘ Aeschynite-(Y)	Y(TiNb)O₆
Nb	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Nb	ⓘ Columbite-(Fe)	Fe²⁺Nb₂O₆
Nb	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Sn	Tin
Sn	ⓘ Abhurite	Sn₂₁Cl₁₆(OH)₁₄O₆
Sn	ⓘ Native Tin	Sn
Ce	Cerium
Ce	ⓘ Aeschynite-(Ce)	Ce(TiNb)O₆
Ce	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ce	ⓘ Monazite-(Ce)	Ce(PO₄)
Ce	ⓘ Perrierite-(Ce)	Ce₄MgFe₂³⁺Ti₂(Si₂O₇)₂O₈
Ta	Tantalum
Ta	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Pb	Lead
Pb	ⓘ Cotunnite	PbCl₂
Th	Thorium
Th	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Th	ⓘ Thorite	Th(SiO₄)
U	Uranium
U	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆

Geochronology

Mineralization age: Neoproterozoic : 911 ± 3 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic Time

Rocks, Minerals and Events

911 ± 3 Ma

Hidra, Flekkefjord, Agder, Norway

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Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Flekkefjord
Wikidata ID:	Q493481
GeoNames ID:	6453398

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Baltic Shield (Fennoscandian Shield)Shield

Eurasian PlateTectonic Plate

Baltic Shield
- Sveconorwegian BeltShield

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Flekkefjord, Agder, Norway i
Regional Level Types
Flekkefjord Municipality
Agder County
Norway Country