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Norsk versjon | ||||
| THE ORE DATABASE | |||||
| Deposit Area 1833 - 118 | |||||
| (Last updated 25.feb.2005) | |||||
Name of Deposit Area : Burfjell |
| (Object Id : 1833,118,00,00) |
| Location |
| County : | Nordland (18) | Municipality : | Rana (1833) |
| Map 1:50000: | Mo i Rana (1927-1) | Map 1:250000: | Mo i Rana |
| Marking point: | Longitude: | 13.9909120 | Latitude: | 66.4622420 |
| EU89-UTM Zone 33 | (Coordinates IS confirmed) |
| X-coord: | 455033 m. | Y-coord: | 7371797 m. |
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| Commodity |
| Main Type: | Ferrous metals(Fe, Mn, Ti) | Sub Type: | Iron | |
| Element(s): | Fe |
| Production |
| Activity: | Exploration | Reserves: | ||
| Prod. method: | Production: | |||
| Prod. status: | Volume of dump: |
| Importance |
| Public: | Little Importance (reg. 18.02.2015) |
| Economical: | Minor interest , (Confirmed 25.feb.2005 by Agnes Raaness) |
Products |
| Element/product | Crude ore grade or quality | |
| FE_TOT | 34 % |
Operations |
| From - To | Activity | Comments | |
| 1973 - 1976 | Geology | Company/Institution :Rana Gruber |
Mineralization |
| Era: | Proterozoic | Period: | Neoproterozoic | |
| Dating: | Method: | |||
| Genesis: | Sedex | Form: | Layer | |
| Main texture: | Banded | Min. distribution: | Massive (>50 % ore minerals) |
| Main grain size: | Medium grained (1-3 mm) | Main alteration: |
| Strike/Dip: | 300 / 20 | Direction: | 90 | |
| Plunge: | 20 |
| Stratigraphic classification of host rock |
| Era: | Proterozoic | Period: | Neoproterozoic |
| Province: | Caledonides | |
| Geotec.unit: | Rødingsfjell Nappe Complex | |
| Tectonic complex: | Midtre allokton | |
| Igneous complex: |
| Group: | Ørtfjell | Formation: | Dunderland |
Mineralogy |
| Relationship | Mineral | Amount | |
| Gangue mineral | Quartz | Major mineral (>10%) | |
| Gangue mineral | Amphibole | Subordinate mineral (1-10%) | |
| Gangue mineral | Muscovite | Subordinate mineral (1-10%) | |
| Gangue mineral | Chlorite | Subordinate mineral (1-10%) | |
| Gangue mineral | Apatite | Subordinate mineral (1-10%) | |
| Gangue mineral | Epidote | Subordinate mineral (1-10%) | |
| Gangue mineral | Biotite | Subordinate mineral (1-10%) | |
| Ore mineral | Magnetite | Major mineral (>10%) | |
| Ore mineral | Hematite | Major mineral (>10%) |
Lithology: |
| Relationship | Rock | Origin | |
| Unknown | Kalkspatmarmor | Sedimentary Original rock :Limestone |
|
| Metamorphic facies :Amphibolite | |||
| Unknown | Lys glimmerskifer | Sedimentary Original rock :Greywacke |
|
| Metamorphic facies :Amphibolite |
Structures |
| Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
| Unknown | Primary layering | Strike/Dip :300 / 20 | Syn-mineralisation ;...Effect :None |
Information(s) in free text format |
| Free text |
| Burfjell mt.-hem.-malm og mt.-malm ------------------------------------ De 3 hovedmalmsteder er: UTM-øst UTM-nord ----------------------- A 455100 7372000 B 454000 7372550 C 453450 7372800 De tykkeste malmlag (3,5-5 m) er alltid mt.-hem.-malm. Tynnere malmer er meget vanlig ren magnetittmalm. Malmen har vanlig gehalt 34 % Fe-total. Tonnasjen er liten: m.o.h. Tykkelse Lengde Dyp Tonnasje (sp.v.3,5) -------------------------------------------------------------------------- Burfjell øst 700 5m 20m 20m 14000 tonn Burfjell øst 700 0,5-0,7m 120m 30m 7560 " Burfjell øst A 690 3,5m 60m 30m 22050 " Burfjell røys 675 2m 75m 30m 15750 " Burfjell øst 660 0,6m 75m 30m 4725 " Burfjell midt B 645 1-2m 60m 30m 9450 " Burfjell midt B 680 1,5m 60m 30m 9450 " Burfjell vest C 675 2m 75m 30m 15750 " Burfjell vest C 590 2m 50 30m 10500 " ---------------- Sum 109235 tonn |
| The fact sheet was created on 22.11.2024 |
| Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
| Copyright © 2024 Geological Survey of Norway |