Norsk versjon
THE NATURAL STONE DATABASE
Occurence 301 - 609 Stig 1
(Object Id: 15460)
(Last updated: 21.05.2012)

Location
County: Oslo Municipality: Oslo (301)
Map 1:50000: Oslo (1914-4) Map 1:250000: Oslo
Coordinate system: EU89-UTM Zone 32
East: 601699 m. North: 6648280 m.
Longitude: 10.8212270 Latitude: 59.9593190
Show on map

Resource
Resource Type: Granite and other igneous rocks Resource Subtype: Syenite
Brickstone(Y/N): N
Importance
Raw material meaning: Little Importance (reg. 18.02.2015)
Historical: Yes , (Confirmed 27.sep.2004 by Leif Furuhaug)

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


Products
Commercial Name Product description
Grorudgranitt Classification: Massive blocks Colour: Pink
Play of colours : Uniformity: Good
Lithology: Syenite Grain size: Coarse grained (> 3 mm)

Mineralogy:
Feldspar Major mineral (>10%)
Quartz Subordinate mineral (1-10%)
Pyroxene Subordinate mineral (1-10%)
Biotite Subordinate mineral (1-10%)
Hornblende Subordinate mineral (1-10%)

Photo no. 1 showing Statue ved Saltstraumen, Nordland"

Deposit rock
Lithology: Weathering colour:
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:

Information(s) in free text format
Description
Bergarten her er Grefsensyenitt. Den er veldig lik ordinær nordmarkitt, men er noe mer finkornet. Det er tatt ut stein over en lengde på 60 m i Ø-V-retning, men det er ikke gått i dybden (maksimalt 1 m).
Examples
Dette er av de eldste nordmarkittbruddene, og det er mest sannsynlig at det i dette bruddet er tatt ut blokk til: 1) Løvene foran stortingsbygningen 2) Statue ved Saltstraumen (se bilde)
Location
Denne lokaliteten ligger nord for Årvoll, rett vest for Årvollåsen. En bomvei går i nord-sør-retning på vestsiden av Årvollåsen. Et stykke nord for bommen går en kjerrevei mot nordøst. Forekomsten ligger rett vest for krysset mellom bomveien og kjerreveien.

Photo(s) from the Deposit area:
Photo no. 1 showing Brudd i tett granskog"

Bibliography:
From NGU's Reference Archive:
Oxaal, John , 1916
Norsk granit
;Norges geologiske undersøkelse;TIDSSKRIFTARTIKKEL;NGU; No.76;1-220 pages
Abstract:
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.

Name of Locality: Stig 2
(Object Id: 15462 609,01,00)

Location
County: Oslo Municipality: Oslo (301)
Map 1:50000: Oslo (1914-4) Map 1:250000: Oslo
Coordinate system: EU89-UTM Zone 32
East: 601759 m. North: 6648269 m.
Longitude: 10.8222960 Latitude: 59.9592140
Show on map

Resource
Resource Type: Granite and other igneous rocks Resource Subtype: Syenite
Brickstone(Y/N):
Importance
Historical: Yes , (Confirmed 27.sep.2004 by Leif Furuhaug)

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


Information(s) in free text format
Description
Dette er et ganske lite brudd på ca. 10 m x 5 m med mindre enn 1 m avsenkning.
Location
Denne lokaliteten ligger øst for det samme krysset som er beskrevet i Stig 1.

Photo(s) from the Deposit area:
Photo no. 1 showing Bruddet"


The fact sheet was created on 08.12.2021

Questions or comments regarding the fact sheet can be emailed to:
ressursdatabaser@ngu.no
Copyright © 2021 Geological Survey of Norway