Fact Sheet for <b>Occurence 5603 - 309 Breidryggen-Holmvann</b>

					Norsk versjon
	THE INDUSTRIAL MINERAL DATABASE
	Occurence 5603 - 309 Breidryggen-Holmvann
	(Object Id: 14934) (Last updated: 24.02.2004)

Location

County:

Finnmark

Municipality:

Hammerfest (5603)

Map 1:50000:

Repparfjorden (1935-1)

Map 1:250000:

Honningsvåg

Coordinate system:

EU89-UTM Zone 34

(Coordinates NOT confirmed)

East:

614910 m.

North:

7802211 m.

Longitude:

24.0554540

Latitude:

70.2999760

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Resource

Resource Type:

Olivine

Resource Subtype:

Ultramafic (unspec.)

Importance

Raw material meaning:

Not Assessed (reg. 18.02.2015)

Mineralization

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Bibliography:

From NGU's Reference Archive:

Reitan, Paul H. , 1963

The geology of the Komagfjord tectonic window of the Raipas suite, Finnmark, Norway.

;Norges geologiske undersøkelse;TIDSSKRIFTARTIKKEL;NGU; No.221;1-71 + kar pages

Abstract:

The report is based on four summers (1956-59) of field work in an area of approximately 860 km2. The area is located in western Finnmark, northern Norway, between 70 degrees 10' and 70 degrees 31' N latitude and 12 degrees 40' and 13 degrees 50' E Oslo longitude. The purpose of the investigation was to study the rocks within a hitherto mainly unexamined area of Precambrian rocks surrounded by Caledonian rocks. Portions of the area near the sea had been visited by a few geologists prior to the initiation of this investigation. It was therefor quite certain that the rocks were Precambrian in age and constituted a window in the Caledonides, but the size of the window was unknown nor had most of the window been studied geologically. This report establishes the Precambrian age of the rocks and delineates the boundaries of the window. The Precambrian rocks along the western coast of Finnmark were previously called the Raipas formation and known to outcrop in (at least) two windows. As this report differentiates seven formations which constitute two groups whithin the Komagfjord (the northernmost) tectonic window, it is purposed that the Precambrian rocks of the two windows be known as the Raipas suite.

Roberts, David , 1974

Hammerfest. Beskrivelse til det 1:250 000 berggrunnsgeologiske kart. (Med geologisk og aeromagnetisk kart)

;Norges geologiske undersøkelse;TIDSSKRIFTARTIKKEL; KARTBESKRIVELSE;NGU; Skrifter; No.301; 10;1-66 + ka pages

Abstract:

General descriptions of the different metasediments, metavolcanics and igneous rocks within the map area are presented. Three principal map-subdivisions are recognized; (a) supracrustal Precambrian (Karelian) rocks occurring in tectonic Windiws; (b) autochthonous late Precambrian to Lower Cambrian (meta)sediments; and (c) a thick allochthonous nappe-complex od Eocambrian to Cambrian metasediments, gneisses and various igneous rocks. In addition to these lithologies, sediments of unknown age (but possibly Silurian) lying unconformably upon allochthonous gneisses are noted from the south-western corner of the map-sheet. Descriptions are given of the many types of plutonic rocks occurring within the Seiland-Stjernøy petrographic province. These include several varieties of gabbro as well as diorites, peridotites, syenite, nepheline syenite, hornblendite, carbonatite, anorthosite, trondhjemite and adamellite. The major tectonic structural subdivisions of the map-area are outlined and it is shown that the matamorphic lithologies of the allochthon, here referred to as the Kalak nappe-complex, can be readily separated into three main tectonic units, or nappes.

Pharaoh, Tim C.; Ramsey, Donald; Jansen, Øystein , 1983

Stratigraphy and structure of the northern part of the Repparfjord - Komagfjord window, Finnmark, Northern Norway.

;Norges geologiske undersøkelse;TIDSSKRIFTARTIKKEL;NGU; No.377;1-45 pages

Abstract:

In the northern district of the Repparfjord-Komagfjord Window, supracrustal and intrusive rocks of Early Proterozoic age are unconformably overlain by a thin sequence of Vendian sediments. Both of these units are overthrust by allochthonous rocks of the lavas, tuffs and sediments of the Raipas Supergroup and intrusions of the Raudfjell Suite, regionally metamorphosed at greenschist facies during the polyphase Svecokarelian Orogeny, c. 1840 Ma. The c. 8 km thick supracrustal sequence is divided into four groups and eleven formations on a lithostratigraphic basis. The lithological characteristics of these units are described and compared with rocks of similiar age elsewhere in N. Norway. The stratigraphy and sedimentology of the thin (<200 m thick), autochtonous, Vendian cover sequence is also described. The caledonian Orogeny resulted in complex deformation of the autochtonous cover as well as considerable reactiviation of the underlying basement.

Skaldebø, Odd Arne , 1985

En petrologisk, geokjemisk og malmgeologisk undersøkelse av det mafiske-ultramafiske bergartskompleks i fjellvann - Breiryggområdet, Komagfjordvinduet, Vest-Finnmark.

;UiO Geologisk fellesråd;AVHANDLING

References not to be found in NGU's Reference Archive.:

Nilsson, L.P. og Juve, G. 1979: En kjemisk mineralogisk undersøkelse av ultramafiske bergarter i Komagfjordvinduet med henblikk på å bestemme eventuelle økonomiske konsentrasjoner av malmmineraler. NGU rapport 1682/1, 58 s. + 1 tekstbilag + 9 kartbilag.

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