Norsk versjon
Occurence 3004 - 619 Femdal
(Object Id: 9912)
(Last updated: 16.02.2010)
Belongs to the Province: Iddefjord granite

County: Viken Municipality: Fredrikstad (3004)
Map 1:50000: Fredrikstad (1913-3) Map 1:250000: Oslo
Coordinate system: EU89-UTM Zone 32
East: 610337 m. North: 6559821 m.
Longitude: 10.9298170 Latitude: 59.1632130
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Resource Type: Granite and other igneous rocks Resource Subtype: Granite
Brickstone(Y/N): N
Raw material meaning: Little Importance (reg. 18.02.2015)
Historical: Yes , (Confirmed 27.jun.2005 by Leif Furuhaug)

Resources and production
Activity: Stone quarrying Reserves:
Operating method: Open pit mining Historical production:

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

Information(s) in free text format
Innenfor et tilnærmet sirkelrundt område med diameter ca. 100 m har det vært sporadisk drift. Maksimal avsenkning er 1 m i hele området. Granitten her er ganske lys. Lokalkjente mente driften hadde pågått til 1960-åra. Imidlertid var det tydelige spor etter oppdeling av blokk ved hjelp av kiling som var av ganske ny dato.
Det største bruddet ligger på en fjellrygg ved Femdal, 70-80 m Ø for RV 108 mot Hvaler.

Photo(s) from the Deposit area:
Photo no. 1 showing Bruddområdet med gjenværende skrotblokk"
Photo no. 2 showing Benken (ca. 1m) det er drevet på"

From NGU's Reference Archive:
Oxaal, John , 1916
Norsk granit
;Norges geologiske undersøkelse;TIDSSKRIFTARTIKKEL;NGU; No.76;1-220 pages
This work is a report of granite and the granite industry in Norway. It contains a description of the various fields of granite and similar rocks from a scientific as well as from a technical and economical standpoint. The geological occurrence of the various rocks, their chemical and mineralogical composition, are thoruoughlyoughly treated, also the questions of practical interest, as the quality and other technical properties, further the problems of location and conditions for transport, conditions for quarrying and otherquestions of interest in the utilization of the various occurrences of granite. Granite: This chapter consideres first the mineralogical and chemical composition of the granite, and the various types of granite resulting from the varying composition; thereafter the most important structural types and how these are dependent on the geological appearance of the rock. Lakkolites and other froms assumed by granite masses when injected into the crust of the earth, are mentioned; some examples of beautifully formed lakkolites are also mentioned. The question of sheet structure and rift in the granite are of great importance in its utilization, and are of interest both practically and theoretically.

The fact sheet was created on 26.10.2021

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