|
|
Norsk versjon | ||||
| THE ORE DATABASE | |||||
| Deposit Area 1833 - 117 | |||||
| (Last updated 20.feb.2024) | |||||
Name of Deposit Area : Kvannevann |
| (Object Id : 1833,117,00,00) |
| The deposit area belongs to the Province : Dunderlandsdalen jern |
| Location |
| County : | Nordland (18) | Municipality : | Rana (1833) |
| Map 1:50000: | Dunderlandsdal (2027-1) | Map 1:250000: | Mo i Rana |
| Marking point: | Longitude: | 14.7311150 | Latitude: | 66.4256380 |
| EU89-UTM Zone 33 | (Coordinates IS confirmed) |
| X-coord: | 487999 m. | Y-coord: | 7367379 m. |
|
|
| Commodity |
| Main Type: | Ferrous metals(Fe, Mn, Ti) | Sub Type: | Iron | |
| Element(s): | Fe |
| Production |
| Activity: | Mining | Reserves: | 33000 thousand tons | |
| Prod. method: | Open pit and underground mining | Production: | ||
| Prod. status: | Volume of dump: |
| Importance |
| Public: | Not Assessed (reg. 07.12.2015) |
| Economical: | Significant , (Confirmed 25.feb.2005 by Agnes Raaness) |
Products |
| Element/product | Crude ore grade or quality | |
| FE | 34 % |
Operations |
| From - To | Activity | Comments | |
| 1950 - 1952 | Geology | Company/Institution :Rana Gruber | |
| 1973 - 1981 | Geology | Company/Institution : " " | |
| 1973 - 1986 | Core drilling | Company/Institution : " " |
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: | 240 / 80 | Direction: | 245 | |
| 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 | Epidote | Subordinate mineral (1-10%) | |
| Gangue mineral | Muscovite | Subordinate mineral (1-10%) | |
| Gangue mineral | Chlorite | Subordinate mineral (1-10%) | |
| Gangue mineral | Amphibole | Subordinate mineral (1-10%) | |
| Gangue mineral | Apatite | Subordinate mineral (1-10%) | |
| Gangue mineral | Calcite | Subordinate mineral (1-10%) | |
| Gangue mineral | Dolomite | Subordinate mineral (1-10%) | |
| Gangue mineral | Potassic feldspar | Subordinate mineral (1-10%) | |
| Gangue mineral | Biotite | Subordinate mineral (1-10%) | |
| Ore mineral | Hematite | Major mineral (>10%) | |
| Ore mineral | Magnetite | Major mineral (>10%) |
Lithology: |
| Relationship | Rock | Origin | |
| Unknown | Carbonate mica schist | Sedimentary Original rock :Argillaceous sediment |
|
| Metamorphic facies :Amphibolite | |||
| Unknown | Mica schist | Extrusive Original rock :Rhyolite |
|
| Metamorphic facies :Amphibolite |
Structures |
| Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
| Unknown | Primary layering | Strike/Dip :240 / 80 | Syn-mineralisation ;...Effect :None |
Information(s) in free text format |
| Free text |
| Ørtfjell-feltet østre deler mt.-hem.-malm ------------------------------------------ De viktigste malmsteder er: UTM - øst UTM - nord -------------------------------------------------------- Jernhaugen 489750 7368550 Vadbakk SØ-re 488600 7368300 Vadbakk NV-re 488600 7368225 Vadbakk NV-re 488400 7368400 Vadbakk NV-re 488000 7368250 Vadbakk SV 488050 7368000 Kvannevann øst (i nord) 489150 7368000 Kvannevann øst (i nord) 488800 7367850 Kvannevann øst (i nord) 488300 7367700 Kvannevann øst (i sør) 489000 7367750 Kvannevann øst (i sør) 488600 7367625 Kvannevann øst (i sør) 487950 7367500 Kvannevann øst (i sør) 487525 7367400 Hyttmalmen 488350 7367375 Hyttmalmen 487650 7367250 Tonnasjen er: m.o.h. gj.sn.tykkelse Lengde Dyp Tonnasje (sp.v.3,5) -------------------------------------------------------- Jernhaugen 350-420 20 m 300 m 100m 2100000 tonn Vadbakk SØ-re 445-460 20 m 300 m 100m 2100000 " Vadbakk SØ-re 425-445 20 m 300 m 100m 2100000 " Vadbakk NV-re 455-470 30 m 600 m 100m 6300000 " Vadbakk SV 440-450 20 m 100 m 50m 350000 " Kvannevann Ø (i nord) 340-400 10 m 1200 m 100m 4200000 " Kvannevann Ø (midten) 380-400 15 m 900 m 100m 4725000 " Kvannevann Ø (i sør) 355-400 20 m 1400 m 100m 9800000 " Hyttmalmen 325-375 4 m 1100 m 100m 1540000 " --------------------- Totalt 33115000 tonn Råmalmgehalten er: 33,6% Fe-total, 3,5% Fe-magn., 0,20% P, 0,019% S, 0,34% TiO2, 0,27% MnO 0,68% Na2O og 0,81% K2O. Forholdet hem./mt. er: 89,6/10,4= 8,6. |
Bibliography: |
| From NGU's Reference Archive: |
| Sakshaug, G.F. , 1962 |
| Magnetisk Undersøkelse 1. Ørtvann - Ørtfjell 2. Ømmervannfeltet 3. Gløsen Øst. |
| ;Norges geologiske undersøkelse;FAGRAPPORT;NGU-rapport; No.324;20 pages |
| Sindre, Atle , 1980 |
| Tyngdemålinger ved Ørtfjell |
| ;Norges geologiske undersøkelse;FAGRAPPORT;NGU-rapport; No.1764;6 pages |
| 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 |