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THE NATURAL STONE DATABASE
Deposit Area 122 - 601
(Last updated 14.mar.2019)

Name of Deposit Area : Mastadtjern
(Object Id : 0122,601,00,00)

Location
County : Østfold (01) Municipality : Trøgstad (0122)
Map 1:50000: Askim (1914-2) Map 1:250000: Oslo
Marking point: Longitude: 11.3493690 Latitude: 59.7229050
EU89-UTM Zone 32 (Coordinates NOT confirmed)
X-coord: 632118 m. Y-coord: 6622892 m.

Commodity
Main Type: Slate and schist Sub Type: Mica schist
Brickstone(Y/N): N
Production
Activity: Test mining Reserves:
Prod. method: Open pit mining Production:
Prod. status: Disused, closed Volume of dump:

Importance
Public: Little Importance (reg. 18.02.2015)
Economical: Minor interest , (Confirmed 21.nov.2006 by Leif Furuhaug)

Products
Commercial Name Product description
Classification :Cleaved slabs Colour :Grayish
Play of colours : Uniformity :
Lithology : Grain size :

Operations
From - To Activity Comments
Test mining

Deposit rock
Lithology: Weathering colour:
Era: Period:
Dating: Method:
Genesis: Form:
Main texture:
Main grain size: Main alteration:
Strike/Dip: Direction:
Plunge:
Stratigraphic classification of host rock
Era: Period:
Province:
Geotec.unit:
Tectonic complex:
Igneous complex:
Group: Formation:

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Not defined Schistosity

Information(s) in free text format
Description
Bergarten er en gneislig glimmerskifer. Har ingen økonomisk interesse. Ligger like ved en drikkevannskilde. Referanse: Lund, B., 1979: NGU Rapport 1698. Bergarkivrapport 5966.

Bibliography:
From NGU's Reference Archive:
Lund, Bjørn ; Mikalsen, Trygve , 1979
Oversikt over Norges skiferforekomster.
;Norges geologiske undersøkelse;FAGRAPPORT;NGU-rapport; No.1698; pages
Abstract:
Norges geologiske undersøkelse mottok i jan.79 en henvendelse fra Industridepartementet om å gi en samlet, kortfattet oversikt over Norges skiferforekomster. Alt materiale er tatt fra rapporter ved bergarkivet, NGU og de mest relevante opplysninger er samlet i vedlagte bilag. Bilagene er ordnet fylkesvis. Hver lokalitet er angitt med plottnr. som igjen refererer til vedlagte kart.


The fact sheet was created on 19.05.2024

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