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Norsk versjon | ||||
| THE ORE DATABASE | |||||
| Deposit Area 1648 - 005 | |||||
| (Last updated 22.mar.2000) | |||||
Name of Deposit Area : Gråskallen |
| (Object Id : 1648,005,00,00) |
| Location |
| County : | Sør-Trøndelag (16) | Municipality : | Midtre Gauldal (1648) |
| Map 1:50000: | Budal (1620-4) | Map 1:250000: | Røros |
| Marking point: | Longitude: | 10.4293900 | Latitude: | 62.8904690 |
| EU89-UTM Zone 32 | (Coordinates IS confirmed) |
| X-coord: | 572668 m. | Y-coord: | 6974192 m. |
|
|
| 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: | 50 m3 |
| Importance |
| Public: | Not Assessed (reg. 18.02.2015) |
| Economical: | Not classified/evaluated |
Operations |
| From - To | Activity | Comments | |
| Pitting |
Mineralization |
| Era: | Paleozoic | Period: | ||
| Dating: | Method: | |||
| Genesis: | Sedimentary deposit | Form: | Layer | |
| Main texture: | Cataclastic | Min. distribution: | Semi-massive (20-50 % ore minerals) |
| Main grain size: | Medium grained (1-3 mm) | Main alteration: |
| Strike/Dip: | Direction: | |||
| Plunge: |
| Stratigraphic classification of host rock |
| Era: | Paleozoic | Period: |
| Province: | Caledonides | |
| Geotec.unit: | Trondheim Nappe Complex | |
| Tectonic complex: | ||
| Igneous complex: |
| Group: | Gulagruppen | Formation: |
Mineralogy |
| Relationship | Mineral | Amount | |
| Gangue mineral | Quartz | Major mineral (>10%) | |
| Gangue mineral | Graphite | Major mineral (>10%) | |
| Ore mineral | Pyrrhotite | Major mineral (>10%) | |
| Ore mineral | Pyrite | Major mineral (>10%) |
Lithology: |
| Relationship | Rock | Origin | |
| Host rock | Grafittisk kvartsitt | Sedimentary | |
| Metamorphic facies :Amphibolite | |||
| Host rock | Kvartsitt | Sedimentary | |
| Metamorphic facies :Amphibolite | |||
| Host rock | Grafittskifer | Sedimentary | |
| Metamorphic facies :Amphibolite | |||
| Wall rock | Glimmerskifer | Sedimentary Original rock :Greywacke |
|
| Metamorphic facies :Amphibolite |
Structures |
| Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
| Host rock | Foliation | Post-mineralisation ;...Effect :Modifies |
Fieldsamples |
| Sample No. | Sample type | Miscellanrous | ||||
| ST0009.TGST93.023 | Dump |
|
| NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
| from |
| Deposit Area 1648 - 005 Gråskallen |
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# |
| ST0009.TGST93.023 | Dump | 537 | 116 | 29 | 9 | 229 | .7 | 4.0 |
| ------------------ |
| Sample No. | As* | Cd* | Ba* | Mo* | Sb* | Bi* | V* | Cr* | Mn* |
| ST0009.TGST93.023 | 33 | .9 | 5 | 55.00 | -2 | -2 | 19 | 4 | 151 |
| ------------------ |
| Sample No. | Fe% | Th* | U* | W* | Sr* | La* | B* | ||
| ST0009.TGST93.023 | 36.94 | 3.00 | -5.00 | 2 | 6.0 | 2.00 | 8 |
| 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 |