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Norsk versjon | ||||
| THE ORE DATABASE | |||||
| Deposit Area 1653 - 013 | |||||
| (Last updated 08.aug.2022) | |||||
Name of Deposit Area : Brannhaugen |
| (Object Id : 1653,013,00,00) |
| Location |
| County : | Sør-Trøndelag (16) | Municipality : | Melhus (1653) |
| Map 1:50000: | Trondheim (1621-4) | Map 1:250000: | Trondheim |
| Marking point: | Longitude: | 10.3285750 | Latitude: | 63.2846780 |
| EU89-UTM Zone 32 | (Coordinates IS confirmed) |
| X-coord: | 566636 m. | Y-coord: | 7017997 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: | 10 m3 |
| Importance |
| Public: | Not Assessed (reg. 18.02.2015) |
| Economical: | Minor interest , (Confirmed 11.nov.2021 by Jan Sverre Sandstad) |
Operations |
| From - To | Activity | Comments | |
| 2020 - 2020 | Sampling | Company/Institution :NGU |
Mineralization |
| Era: | Paleozoic | Period: | Ordovician | |
| Dating: | Method: | |||
| Genesis: | Volcex | Form: | Lens | |
| Main texture: | Structureless | Min. distribution: | Disseminated (<20 % ore minerals) |
| Main grain size: | Fine grained (< 1 mm) | Main alteration: | Chloritisation |
| Strike/Dip: | 210 / 80 | Direction: | ||
| Plunge: |
| Stratigraphic classification of host rock |
| Era: | Paleozoic | Period: | Ordovician |
| Province: | Caledonides | |
| Geotec.unit: | Trondheim Nappe Complex | |
| Tectonic complex: | LVB ofiolitt fragmenter | |
| Igneous complex: |
| Group: | Formation: | Bymarkgrønnsteinen |
Mineralogy |
| Relationship | Mineral | Amount | |
| Gangue mineral | Chlorite | Major mineral (>10%) | |
| Gangue mineral | Feldspar | Major mineral (>10%) | |
| Gangue mineral | Amphibole | Subordinate mineral (1-10%) | |
| Ore mineral | Pyrite | Major mineral (>10%) |
Lithology: |
| Relationship | Rock | Origin | |
| Host rock | Greenstone | Extrusive Original rock :Basalt |
|
| Metamorphic facies :Greenschist |
Structures |
| Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
| Host rock | Foliation | Strike/Dip :210 / 80 | Post-mineralisation ;...Effect :Modifies |
Information(s) in free text format |
| Free text |
| Mindre sprengning er gjort i bunnen av en østvendt brattskrent sør for Brannhaugmyra. Det er utsprengt 3-4 m langs og 0,4 m på tvers av strøket som er orientert ca. NNØ-SSV i en rustfarget, mørk grønn grønnstein. Kun svak disseminasjon av svovelkis i kloritt-omvandlet grønnstein er påvist. |
Fieldsamples |
| Sample No. | Sample type | Miscellanrous | ||||
| Brannhaugen-1 | Bedrock |
|
| NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
| from |
| Deposit Area 1653 - 013 Brannhaugen |
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# |
| Brannhaugen-1 | Bedrock | 171 | 185 | 32 | 33 | 150 | .4 | 175.0 |
| ------------------ |
| Sample No. | Pt# | Pd# | As* | Cd* | Ba* | Mo* | Sn* | Sb* | Bi* |
| Brannhaugen-1 | 6.0 | 6.0 | 73 | .5 | -10 | 4.50 | 1 | 1 | 1 |
| ------------------ |
| Sample No. | Se* | Ga* | Ge* | In* | S% | V* | Cr* | Mn* | Fe% |
| Brannhaugen-1 | 5.00 | 11.45 | -0.05 | 0.08 | 7.39 | 170 | 145 | 1910 | 15.10 |
| ------------------ |
| Sample No. | Th* | U* | W* | Rb* | Sr* | Y* | Zr* | Nb* | Ta* |
| Brannhaugen-1 | 2.60 | 2.10 | 0 | 0.2 | 148.0 | 22.4 | 21 | 2.50 | 0.21 |
| ------------------ |
| Sample No. | Cs* | La* | Ce* | Li* | Be* | Na* | Mg* | Al* | P* |
| Brannhaugen-1 | 0.13 | 13.40 | 29.10 | 8 | 0 | 300 | 27900 | 45000 | 720 |
| ------------------ |
| Sample No. | K * | Ca* | Sc* | Ti* | Te* | Hf* | Re* | Tl* | |
| Brannhaugen-1 | -100 | 28400 | 17.20 | 2690 | 0.68 | 0.60 | 0 | 0 |
| 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 |