Norsk versjon | |||||
THE ORE DATABASE | |||||
Deposit Area 533 - 002 | |||||
(Last updated 13.feb.2024) |
Name of Deposit Area : Grua |
(Object Id : 0533,002,00,00) |
Location |
County : | Oppland (05) | Municipality : | Lunner (0533) |
Map 1:50000: | Gran (1815-1) | Map 1:250000: | Hamar |
Marking point: | Longitude: | 10.6663370 | Latitude: | 60.2569940 |
EU89-UTM Zone 32 | (Coordinates IS confirmed) |
X-coord: | 592216 m. | Y-coord: | 6681197 m. |
|
Commodity |
Main Type: | Ferrous metals(Fe, Mn, Ti) | Sub Type: | Iron | |
Element(s): | Fe |
Production |
Activity: | Mining | Reserves: | ||
Prod. method: | Underground mining | Production: | ||
Prod. status: | Disused, closed | Volume of dump: |
Importance |
Public: | Not Assessed (reg. 18.02.2015) |
Economical: | Minor interest , (Confirmed 24.aug.2021 by Jan Sverre Sandstad) |
Historical: | Yes , (Confirmed 24.aug.2021 by Jan Sverre Sandstad) |
Operations |
From - To | Activity | Comments | |
1539 - 1799 | Regular production | Company/Institution :Hakadal Verk | |
Driften skal ha pågått i alle fall fram til 1799, og det er også sannsynlig med perioder uten drift. |
Mineralization |
Era: | Paleozoic | Period: | Permian | |
Dating: | Method: | |||
Genesis: | Skarn formation | Form: | Lens | |
Main texture: | Structureless | Min. distribution: | Massive (>50 % ore minerals) |
Main grain size: | Fine grained (< 1 mm) | Main alteration: | Skarn formation |
Strike/Dip: | Direction: | |||
Plunge: |
Stratigraphic classification of host rock |
Era: | Paleozoic | Period: | Ordovician |
Province: | Oslo Region | |
Geotec.unit: | Akershus Graben | |
Tectonic complex: | ||
Igneous complex: | Nordmarka-Hurdal Batholith |
Group: | Formation: |
Mineralogy |
Relationship | Mineral | Amount | |
Gangue mineral | Pyroxene | Major mineral (>10%) | |
Ore mineral | Magnetite | Major mineral (>10%) |
Lithology: |
Relationship | Rock | Origin | |
Host rock | Pyroxene skarn | Sedimentary Original rock :Limestone |
|
Metamorphic facies :Contact | |||
Wall rock | Limestone | Sedimentary Original rock :Limestone |
Information(s) in free text format |
Historic |
Jern ble utvunnet fra Hadelandsgruben 1536-1559, som nå ligger innenfor Østhagan landskapsvernområde. |
Bibliography: |
From NGU's Reference Archive: |
Olerud, S.; Owen, A.W. , 1987 |
Gran. Berggrunnskart; Gran; 18151; 1:50 000; sort/hvitt; |
;Norges geologiske undersøkelse;KART |
Fieldsamples |
Sample No. | Sample type | Miscellanrous | ||||
JS-OS2124 | Dump |
|
NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
from |
Deposit Area 533 - 002 Grua |
Element analyses |
( *=parts pr. million, #=parts pr.billion, Negative values means below detection limit value.) |
Sample No. | Sample Type | Cu* | Zn* | Pb* | Co* | Ni* | Ag* | Au# |
JS-OS2124 | Dump | 39 | 253 | 5 | 19 | 20 | .1 | -.5 |
------------------ |
Sample No. | Pt# | Pd# | As* | Cd* | Ba* | Mo* | Sn* | Sb* | Bi* |
JS-OS2124 | -2.5 | -.5 | 1 | .3 | 10 | 0.33 | 2 | 0 | 0 |
------------------ |
Sample No. | Se* | Ga* | Ge* | In* | S% | V* | Cr* | Mn* | Fe% |
JS-OS2124 | -1.00 | 4.35 | 0.19 | 0.45 | .20 | 20 | 163 | 2810 | 24.00 |
------------------ |
Sample No. | Th* | W* | Rb* | Sr* | Y* | Zr* | Nb* | Ta* | Cs* |
JS-OS2124 | 2.49 | 0 | 3.3 | 59.8 | 1.0 | 56 | 0.70 | 0.12 | 0.23 |
------------------ |
Sample No. | La* | Ce* | Li* | Be* | Na* | Mg* | Al* | P* | K * |
JS-OS2124 | 1.20 | 3.38 | 1 | 3 | 300 | 48500 | 4600 | 40 | 200 |
------------------ |
Sample No. | Ca* | Sc* | Ti* | Te* | Hf* | Re* | Tl* | ||
JS-OS2124 | ###### | 6.60 | 680 | -0.05 | 1.70 | -0 | 0 |
The fact sheet was created on 18.05.2024 |
Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
Copyright © 2024 Geological Survey of Norway |