English version
	MALMDATABASEN
	Forekomst 3441 - 027 Stormyra
	(Objekt Id: 17074) (Sist oppdatert: 13.03.2024)

Produkt

	Element/produkt	Gehalt/Kvalitet	Reg. dato
	Co	0.04 %	27.10.2023
	Cu	0.42 %	27.10.2023
	Ni	1.0 %	27.10.2023

Operasjoner

	Fra - Til	Aktivitet	Kommentar
	2003 - 2006	Geologi
	2003 - 2006	Geofysikk
	2004 - 2008	Kjerneboring	Selskap/Institusjon:Falconbridge Ltd / Blackstone Ventures
			Project terminated, possibly temporarily in 2008. Cores transported to the Løkken core store.

Mineralisering

	Æra:	Proterozoikum	Periode:
	Genese:	Ortomagmatisk	Form:	Linse
	Hovedtekstur:		Min. fordeling:	Semi-massiv

Kornstørrelse:

Hovedomvandling:

	Strøk/Fall:		Retning:
			Feltstupning:

Stratigrafisk klassifikasjon av vertsbergart

Æra:

Proterozoikum

Periode:

Mesoproterosoikum

	Provins:	Kaledonidene
	Geotek.enhet:	Jotundekkekomplekset
	Tektonisk complex:
	Intrusivt komplex:

Gruppe:

Formasjon:

Mineralogi

	Relasjon	Mineral	Mengde
	Malmmineral	Magnetkis	Hovedmineral (>10%)
	Malmmineral	Kobberkis	Underordnet mineral (1-10%)
	Malmmineral	Svovelkis	Underordnet mineral (1-10%)
	Malmmineral	Pentlanditt	Underordnet mineral (1-10%)

Litologi:

	Relasjon	Bergart	Opprinnelse
	Vertsbergart	Anortositt	Intrusiv
			Metamorf fase :Amfibolitt
	Vertsbergart	Gabbronoritt	Intrusiv Opprinnelig bergart :Gabbronoritt
			Metamorf fase :Amfibolitt

Opplysning(er) i fritekstformat

Fri tekst

The Stormyra deposit was discovered by Sulfidmalm A/S and Blackstone Ventures Inc. joint venture in 2004. From the web page of Blackstone Ventures Inc.(http://www.blv.ca/s/Espedalen.asp): The Espedalen Ni province covers approximately 55 square kilometres and is centered on a large differentiated mafic intrusion. Numerous small mines, worked in the mid 1800's, and showings occur throughout the property area. Disseminated and massive sulphide type nickel-copper mineralization is typically associated with the peridotite intrusions. Grab samples of high-sulphide mineralization from four of the historical mine dumps average 1.9% Ni and 0.6% Cu. In spite of being extensively mineralized, the area has received only minor amounts of exploration and no modern geophysics. To date, airborne and ground-based UTEM geophysical surveys have identified numerous geophysical conductors. Subsequent drilling of UTEM conductors has returned high grade nickel mineralized zones. The Stormyra target: Drill intercepts of significant nickel mineralization at the Stormyra (P2) target; 14.6m of 1.73% Ni, 0.77% Cu, 0.06% Co and 2.7m of 2.07% Ni, 1.20% Cu, 0.07% Co. January 2009: NI 43-101 classification done by Reddick Consulting Inc.: at a US$100 GMV cut-off, Stormyra contains approximately 1.0 million tonnes of Inferred mineral resources grading 1.09 % Ni, 0.48% Cu and 0.04% Co. Drake refined the Mineral Resources at Stormyra (1.16Mt @ 1% Ni, 0.42% Cu & 0.04% Co) and Dalen (7.8Mt @ 0.28% Ni, 0.12% Cu & 0.02% Co) prospects in accordance with JORC (2012).

Litteraturfortegnelser:

Referanser som ikke finnes i NGU's Referansearkiv.:

Information on web page of Blackstone Ventures Inc.: http://www.blv.ca/s/Espedalen.asp

Corfu, F., & Heim, M. 2014. Geology and U–Pb geochronology of the Espedalen Complex, southern Norway, and its position in the Caledonian nappe systems. Geological Society, London, Special Publications, 390(1), 223-239. https://doi.org/10.1144/jgs2019-010

Mansur, E.T., Slagstad, T., Dare, S.A.S. & Sandstad, J.S. 2023. Geology and sulphide geochemistry of the Ni-Cu-Co mineralisation of the Espedalen Complex, Norway: Constraints for the distribution of magmatic sulphides within a variably deformed anorthosite suite. Ore Geology Reviews 161.

Reddick, J., & Armstrong, T. 2009. Technical Report on Resource estimates for Ertelien, Stormyra and Dalen Deposits, Southern Norway. NI43-101 technical report.

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Faktaarket ble generert 31.10.2025

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