Porsgrunn municipality
Mineral resources3
Exploration permits3
Extraction permits0
Fylke: Telemark
Mineral resources
Deposit, prospect and province of metals and industrial minerals in Porsgrunn municipality.
| Name NGU's designation for deposit, prospect and province | Raw material Raw material refers to the type of mineral resource. This does not exclude the possibility of multiple mineral resources. | Classification The dataset consists of NGU classifications. | Competing interests The Directorate of Mining has selected a set of competing interests that may afflect the potensial to develop the deposit for production. The selection is not exhaustive and does not indicate the degree of impact of each factor. | Infrastructure DMF has selected infrastructure factors that may be advantageous to develop a deposit for production. The selection is not exhaustive and is based on publicly available information from other authorities. |
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| Bjørntvet | Limestone | Regional significance | ||
BjørntvetMunicipality: Porsgrunn County: Telemark(In Norwegian only)
Read more at NGU
Registration type: DepositBjørntvet kalksteinsbrudd ligger like ved bebyggelsen i Porsgrunn by. Avstanden sydover til Norcem´s sementfabrikk på Dalen er ca. 7 km. Forekomsten på Bjørntvet kom i drift i mai 1955. Kalksteinen er av Silurisk alder ( ca. 40 mill. år yngre enn "Dalen Main rock type: (In Norwegian only)
Mineral permits:Mergelstein, Sandstein More about the mineral resource Competing interests
Infrastructure
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| Dalen | Limestone | National significance | ||
DalenMunicipality: Porsgrunn County: Telemark(In Norwegian only)
Read more at NGU
Registration type: DepositI 1916 ble A/S Dalen Portland Cementfabrikk (DPC) etablert basert på kalkstein fra Dalen kalksteinsbrudd, Brevik. Dagbruddsdriften fortsatte fram til 1960. Etter den tid ble det nødvendig med overgang til underjordsdrift. I 1968 fusjonerte DPC med de to Main rock type: (In Norwegian only)
Mineral permits:Kalkstein More about the mineral resource Competing interests
Infrastructure
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| Kjørholdt | Limestone | National significance | ||
KjørholdtMunicipality: Porsgrunn County: Telemark(In Norwegian only)
Read more at NGU
Registration type: DepositGruvene på Kjørholdt (Dalen) blir drevet på en høyverdig kalkstein av mellom-ordovicisk alder (ca. 450 mill. år) som kalles Steinvikformasjonen (tidligere Enkrinitkalk). Steinvikformasjonen har i gjennomsnitt et CaCO3 - innhold på 86 %. Mektigheten på fo Main rock type: (In Norwegian only)
Mineral permits:Kalkstein More about the mineral resource Competing interests
Infrastructure
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Permits to the minerals owned by the State
Exploration and extraction permits in Porsgrunn municipality.
| Permit holder | Permit name | Type | Status |
|---|---|---|---|
| Fritzøe Skoger AS | Haukeråsen 1 | Exploration permit | Approved |
| Fritzøe Skoger AS | Haukeråsen 2 | Exploration permit | Approved |
| Fritzøe Skoger AS | Kvelde 1 | Exploration permit | Approved |