English version
???? DATABASEN
Forekomst 0 - 000 FEIL
(Objekt Id: )
(Sist oppdatert: 13.03.2024)

Lokalisering
Fylke: Kommune: Mangler ()
Kart 1:50000: Svatsum (1717-1) Kart 1:250000: Lillehammer
Fylke: UTM-Zone 33 - EUREF89/WGS84

Ressurs
Ressurstype: Jernlegeringsmetaller (Cr,Ni,Co,V,Mo,W) Ressursundertype: Nikkel
Element(er): Ni Cu Co
Betydning
Råstoffbetydning: Internasjonal betydning (reg. 13.03.2023)

Ressurser og produksjon
Aktivitet: Prospektering Reserver: 1160 tusen tonn
Driftsmetode: Historisk produksjon:


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.


Faktaarket ble generert 18.04.2024

Copyright © 2024 Norges geologiske undersøkelse