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Norsk versjon | ||||
| THE ORE DATABASE | |||||
| Deposit Area 1644 - 041 | |||||
| (Last updated 14.aug.2019) | |||||
Name of Deposit Area : Grønfjellet |
| (Object Id : 1644,041,00,00) |
| Location |
| County : | Sør-Trøndelag (16) | Municipality : | Holtålen (1644) |
| Map 1:50000: | Ålen (1720-4) | Map 1:250000: | Røros |
| Marking point: | Longitude: | 11.3133130 | Latitude: | 62.9155040 |
| EU89-UTM Zone 32 | (Coordinates IS confirmed) |
| X-coord: | 617495 m. | Y-coord: | 6978287 m. |
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| Commodity |
| Main Type: | Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) | Sub Type: | Sulphides | |
| Element(s): | Kis |
| Production |
| Activity: | Pitting | Reserves: | ||
| Prod. method: | Production: | |||
| Prod. status: | Volume of dump: | 25 m3 |
| Importance |
| Public: | Not Assessed (reg. 18.02.2015) |
| Economical: | Not classified/evaluated |
Operations |
| From - To | Activity | Comments | |
| 1997 - 1997 | Sampling | Company/Institution :NGU |
Mineralization |
| Era: | Paleozoic | Period: | ||
| Dating: | Method: | |||
| Genesis: | Volcex | Form: | ||
| Main texture: | Banded | Min. distribution: | Semi-massive (20-50 % ore minerals) |
| Main grain size: | Fine grained (< 1 mm) | Main alteration: |
| Strike/Dip: | 130 / 25 | Direction: | ||
| Plunge: |
| Stratigraphic classification of host rock |
| Era: | Paleozoic | Period: |
| Province: | Caledonides | |
| Geotec.unit: | Trondheim Nappe Complex | |
| Tectonic complex: | ||
| Igneous complex: |
| Group: | Gula | Formation: | Åsli |
Mineralogy |
| Relationship | Mineral | Amount | |
| Gangue mineral | Feldspar | Major mineral (>10%) | |
| Gangue mineral | Amphibole | Major mineral (>10%) | |
| Gangue mineral | Quartz | Major mineral (>10%) | |
| Gangue mineral | Biotite | Subordinate mineral (1-10%) | |
| Ore mineral | Pyrite | Major mineral (>10%) |
Lithology: |
| Relationship | Rock | Origin | |
| Wall rock | Quartz-biotite schist | Sedimentary Original rock :Greywacke |
|
| Metamorphic facies :Amphibolite |
Structures |
| Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
| Wall rock | Schistosity | Strike/Dip :132 / 25 | Post-mineralisation ;...Effect :Modifies |
Fieldsamples |
| Sample No. | Sample type | Miscellanrous | ||||
| JS97010 | Dump |
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| JS97011 | Dump |
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| NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
| from |
| Deposit Area 1644 - 041 Grønfjellet |
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# |
| JS97010 | Dump | 336 | 46 | 7 | 40 | 49 | .3 | 4.0 |
| JS97011 | Dump | 405 | 49 | -3 | 40 | 78 | .4 | 12.0 |
| ------------------ |
| Sample No. | Pt# | Pd# | As* | Cd* | Ba* | Mo* | Sb* | Bi* | S% |
| JS97010 | 1.0 | 2.0 | 112 | .7 | 15 | 1.00 | 3 | -3 | 5.30 |
| JS97011 | 2.0 | 2.0 | 314 | .2 | 10 | 2.00 | -3 | -3 | 8.10 |
| ------------------ |
| Sample No. | V* | Cr* | Mn* | Fe% | Th* | U* | W* | Sr* | La* |
| JS97010 | 88 | 39 | 275 | 10.71 | 6.00 | -8.00 | -2 | 35.0 | 34.00 |
| JS97011 | 39 | 48 | 131 | 10.41 | 5.00 | -8.00 | -2 | 31.0 | 20.00 |
| ------------------ |
| Sample No. | B* | ||||||||
| JS97010 | -3 | ||||||||
| JS97011 | -3 |
| The fact sheet was created on 19.05.2024 |
| Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
| Copyright © 2024 Geological Survey of Norway |