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English version | ||||
| MALMDATABASEN | |||||
| Forekomstområde 1101 - 047 | |||||
| (Sist oppdatert 05.des.2025) | |||||
Navn på deposit area : Jentofts gruve |
| (Objekt Id : 1101,047,00,00) |
| Lokalisering |
| Fylke : | Rogaland (11) | Kommune : | Eigersund (1101) |
| Kart 1:50000: | Egersund (1211-1) | Kart 1:250000: | Mandal |
| Markeringspunkt: | Lengdegrad: | 6.1379090 | Breddegrad: | 58.4241240 |
| EU89-UTM Zone 32 | (Coordinates NOT confirmed) |
| X-koord: | 332860 m. | Y-koord: | 6479488 m. |
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| Materialtype |
| Hovedtype: | Jernmetaller (Fe, Mn, Ti) | Subtype: | Jern-titan | |
| Element(s): | Fe Ti |
| Betydning |
| Offentlig: | Not Assessed (reg. 18.02.2015) |
| Economical: | Ikke vurdert , (Confirmed 25.feb.2003 by Leif Furuhaug) |
Mineralization |
| Era: | Proterozoic | Period: | Neoproterozoic | |
| Dating: | Method: | |||
| Genesis: | Ortomagmatisk | Form: | ||
| Main texture: | Min. distribution: |
| Main grain size: | Main alteration: |
| Strike/Dip: | Direction: | |||
| Plunge: |
| Ti-deposit type(s) |
| Main type: | Magmatic | Ilm/Mt-ratio: | ||
| Sub type: | Ilm +/- Mt +/- Ap in mafic intrusion | %TiO(Ore): | ||
| Titanium province: | Rogaland anorthosite province | %P2O5(Ore): | ||
| Host rock: | Anorthosite | %MgO(Ilm): | ||
| Main Ti mineral: | Ilmenite | %V2O3(Mt): | ||
| ppm U (Rutile): |
| Stratigraphic classification of host rock |
| Era: | Proterozoic | Period: | Neoproterozoic |
| Province: | South Norwegian Basement Province | |
| Geotec.unit: | ||
| Tectonic complex: | ||
| Igneous complex: |
| Group: | Formation: |
Mineralogy |
| Relationship | Mineral | Amount | |
| Gangue mineral | Plagioclase | Major mineral (>10%) | |
| Gangue mineral | Spinel | Accessory mineral (<1%) | |
| Ore mineral | Ilmenite | Major mineral (>10%) | |
| Ore mineral | Pyrite | Accessory mineral (<1%) |
Lithology: |
| Relationship | Rock | Origin | |
| Host rock | Anortositt | Intrusive Original rock :Anorthosite |
Fieldsamples |
| Sample No. | Sample type | Miscellanrous | |||||
| 165921 | Bedrock |
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| NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
| from |
| Forekomstområde 1101 - 047 Jentofts gruve |
Element analyses |
( *=parts pr. million, #=parts pr.billion, Negative values means below detection limit value.) |
| Sample No. | Sample Type | Cu* | Zn* | Pb* | Co* | Ni* | Ba* | Sn* |
| 165921 | Bedrock | 20 | 173 | 1 | 157 | 217 | 7 | 2 |
| ------------------ |
| Sample No. | Ga* | V* | Cr* | Th* | U* | W* | Rb* | Sr* | Y* |
| 165921 | 14.40 | 2170 | 481 | 0.05 | 0.07 | 1 | 0.2 | 27.2 | 0.9 |
| ------------------ |
| Sample No. | Zr* | Nb* | Ta* | Cs* | La* | Ce* | Pr* | Nd* | Sm* |
| 165921 | 171 | 28.60 | 1.70 | 0.01 | 0.10 | 0.40 | 0.03 | 0.40 | 0.12 |
| ------------------ |
| Sample No. | Eu* | Gd* | Tb* | Dy* | Ho* | Er* | Tm* | Yb* | Lu* |
| 165921 | 0.06 | 0.27 | 0.03 | 0.09 | 0.01 | 0.14 | 0.02 | 0.30 | 0.02 |
| ------------------ |
| Sample No. | Sc* | Hf* | |||||||
| 165921 | 58.20 | 5.61 |
Oxide analyses |
( All values are in % ) |
| Sample No. | Sample Type | SiO2 | Al2O3 | TiO2 | Fe2O3 | MnO | MgO | CaO |
| 165921 | Bedrock | 2.00 | 1.61 | 29.20 | 44.40 | 0.20 | 3.58 | 0.43 |
| ------------------ |
| Sample No. | Na2O | K2O | P2O5 | Loss | Sum | ||||
| 165921 | 0.15 | 0.03 | 0.01 | -2.99 | 79.00 |
| Faktaarket ble generert 10.06.2026 |
| Spørsmål eller kommentarer vedrørende faktaarket kan mailes til: ressursdatabaser@ngu.no |
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