Norsk versjon
THE ORE DATABASE
Occurence 1101 - 005 Lyngnes
(Object Id: 4915)
(Last updated: 12.12.2005)

Location
County: Rogaland Municipality: Eigersund (1101)
Map 1:50000: Egersund (1211-1) Map 1:250000: Mandal
Coordinate system: EU89-UTM Zone 32
East: 331969 m. North: 6479492 m.
Longitude: 6.1226700 Latitude: 58.4238180
Show on map

Resource
Resource Type: Ferrous metals(Fe, Mn, Ti) Resource Subtype: Iron-Titanium
Element(s): Fe Ti
Importance
Raw material meaning: Little Importance (reg. 18.02.2015)

Resources and production
Activity: Test mining Reserves:
Operating method: Underground mining Historical production: 8 thousand tons


Operations
From - To Activity Comments
1870 - 1875 Test mining

Mineralization
Era: Proterozoic Period: Neoproterozoic
Genesis: Orthomagmatic formation Form: Lens
Main texture: Structureless Min. distribution: Massive (>50 % ore minerals)
Main grain size: Medium grained (1-3 mm) 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: Egersundkompleks Formation:

Mineralogy
Relationship Mineral Amount
Ore mineral Ilmenite Major mineral (>10%)
Ore mineral Magnetite Subordinate mineral (1-10%)

Lithology:
Relationship Rock Origin
Unknown Anortositt

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Unknown Joints/Fractures Strike/Dip :320 / 40

Information(s) in free text format
Free text
Fe-Ti oxide body in the Håland anorthosite, close to the contact between the Håland anorthosites and the "norito-granitic" zone (P. Michot, 1960) separating the Håland and Egersund-Ogna anorthosites. See Tidemand, 1929 in Carlson, 1945 for map of locality.

Bibliography:
From NGU's Reference Archive:
Tidemand, W. G. , 1929
Heggedal gruve. Oversiktskart Koldal-Hegdal
;Norges geologiske undersøkelse;KART;Bergarkivet; No.K 2595


The fact sheet was created on 28.04.2024

Questions or comments regarding the fact sheet can be emailed to:
ressursdatabaser@ngu.no
Copyright © 2024 Geological Survey of Norway