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Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway

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Latitude & Longitude (WGS84): 58° 12' 41'' North , 6° 34' 56'' East
Latitude & Longitude (decimal): 58.21163,6.58232
Other regions containing this locality:Scandinavia
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Hidra, Flekkefjord kommune, Vest-Agder fylke, Norge


Hidra (formerly Hitterö) is an island on the southwestern coast of Norway. On the eastern part of the island, around the small Rasvåg bay, several granite pegmatite dikes has been quarried for feldspar. Quarrying started around 1870, and ended around 1906-1910. One eexception is the Iglettjødn quarry which was quarried until around 1930.

Xenotime-(Y) (Berzelius, 1824, under the name Phosporsyrad Ytterjord, Beudant 1832 under the name Xenotime), Kainosite-(Y) (Nordenskiöld, 1886), Polycrase-(Y) (Scheerer, 1844) and Aeschynite-(Y) (Brögger, 1906, under the name blomstrandine), were first described from pegmatites in this area. The pegmatites are also especially known for having produced large crystals of Gadolinite-(Y).

There is also a two pyroxene-bearing granulite containing ferrosilite.


Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

25 valid minerals. 4 (TL) - type locality of valid minerals.

Localities in this Region


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References

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Berzelius, J. (1824): Undersökning af några Mineralier. 1. Phosphorsyrad Ytterjord. Kongliga Svenska Vetenskaps-Akademiens Handlingar, 2 : 334-338
Berzelius, J. (1825): Account of two newly discovered Mineral Species. Edinburgh Journal of Science, 3, 327-332 [on xenotime-(Y)]
Beudant, F.S. (1832): Traité élémentaire de Minéralogie, second edition, 2 volumes: 2: 552.[on xenotime]
Scheerer, T. (1843): Ueber den Fundort und die Krystallform der phosphorsauren Yttererde. Annalen der Physik und Chemie (herausgegeben zu Berlin von J.C.Poggendorff),60:591-594
Scheerer, T. (1844): Polykras und Malakon, zwei neue Mineralspecies, Annalen der Physik und Chemie (Herausgegeben zu Berlin von J. C. Poggendorff), Vol. 138, 429-443
Lindström, G. (1881): Analys af thorit från Hitterö. Geologiska Föreningen i Stockholm Förhandlingar 5, p. 500 [analysis of thorite from Hidra]
Prior, G. T. (1899): Minerals from Swaziland: Niobates and Titanates of the Rare Earths, Chemically Allied to Euxenite and Fergusonite; Cassiterite, Monazite, etc. The “Æschynite” from Hitterö. Mineralogical Record, 12: 96-101
Schetelig, J. (1922): Gadolinit. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1922. 11, 88-123 + plates XIV -XV
Goldschmidt, V.M. & Thomassen, L. (1923): Das Vorkommen des Elements No. 72 (Hafnium) im Malakon und Alvit. Norsk Geologisk Tidsskrift. 7, 61-68. [With analysis of Malacon from Hidra]
Adamson, O. J. (1942): The granite pegmatites of Hitterö, SW Norway. Geologiska Föreningen i Stockholm Förhandlingar 64: 97-116
Deer, W. A., Howie, R. A., and Zussman, J., 1963, Rock-Forming Minerals, v 2 Chain Silicates, p 21.
Wilke, H.J. (1976): Mineral-Fundstellen Band 4: Skandinavien. Chr. Weise Verlag, München, p 63-66
Ulland, L. A. (1994): Gruvedrift. in Hanssen, J., Hansson, H. & Larsen, O. (eds): (1994) Ytterst mot havet. Kystmuseet Fedrenes Minne 50 år. Hidra 1994, 63-72
Hansen, G. Helvig (2017): Jens Omvik og hans notater om gadolinitt fra Hidra. Norsk Mineralsymposium 2017: 29-36.

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