The Thorite Hole, Løvøya (Løvø; Lövö; Lövöe), Langesundsfjorden, Porsgrunn, Telemark, Norway
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|Location is approximate, estimate based on other nearby localities.|
|Latitude & Longitude (WGS84):||59° 6' 50'' North , 9° 44' 57'' East (est.)|
|Margin of Error:||~0km|
|Other regions containing this locality:||Scandinavia|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
|Name(s) in local language(s):||Thoritthullet (Thorithul)|
The type locality on the island Løvøya in Langesundsfjorden where the vicar Hans Morten Thrane Esmark (1801-1882) discovered the mineral thorite in 1828. The locality on Løvøya was called by him "Thorithul" (Thoritthullet" in modern Norwegian language) meaning "the Thorite Hole", but the the excact spot is today unfortunately forgotten. Already in 1874 the locality was known to have been exhausted (Brøgger 1890). A heavily blasted out syenite pegmatite on a small headland in Løvøysundet has been suggested as being the TL, but the very location of the TL remains today unsure.
4 valid minerals. 1 (TL) - type locality of valid minerals.
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Berzelius, J.J. (1829): Über den Thorit ein neues Mineral und eine darin enthaltene neue Erde, die Thorerde. Annalen der Physik und Chemie, 91: 633-634
Esmark, [H.] M.T. (1836): Thoriten, opdagen og beskreven af M.Thr. Esmark. Magazin for Naturvidenskaberne, 12, 77-78
Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. 663 pp + 28 plates
Marshall, J.L. & Marshall, V.R. (2001): Rediscovery of the Elements- Thorium-Løvøya, Langesundsfjord, Norway. The Hexagon [of Alpha Chi Sigma], 93 (winter 2001): 70-73
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 pp [p.208-209]