Fact Sheet for <b>Occurence 1806 - 003 Klemsteinsberget</b>

					Norsk versjon
	THE ORE DATABASE
	Occurence 1806 - 003 Klemsteinsberget
	(Object Id: 2149) (Last updated: 07.02.2024)

Location

County:

Nordland

Municipality:

Narvik (1806)

Map 1:50000:

Skjomen (1331-1)

Map 1:250000:

Narvik

Coordinate system:

EU89-UTM Zone 33

East:

576962 m.

North:

7587603 m.

Longitude:

16.8728550

Latitude:

68.3907850

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Resource

	Resource Type:	Ferrous metals(Fe, Mn, Ti)	Resource Subtype:	Iron
			Element(s):	Fe

Importance

Raw material meaning:

Not Assessed (reg. 18.02.2015)

Resources and production

	Activity:	Pitting	Reserves:
	Operating method:	Underground mining	Historical production:

Operations

From - To Activity Comments

1899 - 1906 Pitting Company/Institution :A/S Håfjellets jernfelter

1935 - 1945 Geology Company/Institution :NGU

Mineralization

Era: Proterozoic Period: Neoproterozoic

Genesis: Sedex Form: Layer

Main texture: Banded Min. distribution: Semi-massive (20-50 % ore minerals)

Main grain size: Medium grained (1-3 mm) Main alteration:

Strike/Dip: 240 / 60 Direction: 270

Plunge: 20

Stratigraphic classification of host rock

Era: Proterozoic Period: Neoproterozoic

Province: Caledonides

Geotec.unit: Ofoten Nappe Complex

Tectonic complex: Upper Allochthon

Igneous complex:

Group: Salangen group Formation: Håfjell jron formation

Mineralogy

Relationship Mineral Amount

Gangue mineral Garnet Major mineral (>10%)

Gangue mineral Epidote Major mineral (>10%)

Gangue mineral Quartz Major mineral (>10%)

Gangue mineral Apatite Subordinate mineral (1-10%)

Gangue mineral Amphibole Subordinate mineral (1-10%)

Ore mineral Magnetite Major mineral (>10%)

Ore mineral Hematite Major mineral (>10%)

Ore mineral Ilmenite Accessory mineral (<1%)

Lithology:

Relationship Rock Origin

Unknown Amphibolite Extrusive
Original rock :Basalt

Metamorphic facies :Amphibolite

Host rock Calcite marble Sedimentary
Original rock :Limestone

Metamorphic facies :Amphibolite

Wall rock Garnet mica schist Sedimentary
Original rock :Marl

Metamorphic facies :Amphibolite

Structures

Location: Type: Orientation(360 gr.): Relation to min.:

Wall rock Primary layering Strike/Dip :240 / 60 Syn-mineralisation ;...Effect :None

Information(s) in free text format

Free text

Forekomsten strekker seg fra Ofotfjorden ved Klemsteinsberget og ca. 700 mot SV. Draget ligger ca. 200 m litostratigrafisk under hovedjernformasjonen i Håfjellsmulden fra Hestvikneset - Toppåsen- Heia. Miljø og mineralisering er svært lik det som finnes i hovedformasjonen. Mineraliseringen er godt blottet i strandsonen, mens røsking hovedsakelig har skjedd i den SV-ende av draget oppover mot Størkhesjan. Over en strekning på 150 m er det oppover mot Størkhesjan (Nordgård) gjort avdekning av malmen på 5 steder. Klemsteinsberget ble prøvetatt av Sørdal/Lindahl ved befaring 04.09.92. Det finnes ingen rapporter i Bergarkivet eller publisert som går eksplisitt på denne forekomsten.

Bibliography:

From NGU's Reference Archive:

Foslie, Steinar , 1949

Håfjellsmulden i Ofoten og dens sedimentære jern-mangan-malmer. Søndre Ofotens malmforekomster II.

;Norges geologiske undersøkelse;TIDSSKRIFTARTIKKEL;NGU; No.174;1-129 + f pages

Abstract:

The sedimentary hematite-magnetite ores of marine origin, occurring within the crystalline mica schists of the caledonian mountain of Northern Norway, belong to a characteristic type of iron ore deposits, internationally known as the Dunderland ore type. Such deposits are known from latitude 65 degrees 20' to 69 degrees 40' N, thus covering a distance along the mountain chain of about 550 km. Transversely to this direction, they are known for at most 90 km, but generally much less. It is significant, that they do not occur farther southwards along the mountain chain, nor in its eastern part. The reason seems to be, taht they are connected with the so-called western development or the mountain chain formations, which disappear below the ocean in the Trondheim district. Compared with the eastern development, it is characterized by greater thickness of the sedimentary series, a far more considerable part of crystalline limestones and - so faar as now known - absence of the basic lavas (greenstone formation), which are important in the east and south. It belongs to a more central part of the geosyncline. The southern and greater part of the ore-bearing district is so strongly folded, that it has been difficult to establish the stratigraphic relation between the different deposits or their proper place within the formations.

Fieldsamples

Sample No. Sample type Miscellanrous

Klemstein-1 Dump

Sampler: Bjerkgård/Raaness/...Stored: Løkken

Comment: Relativt grovkornet magnetittmalm

No. of registrated oxide analyses = 1

Klemstein-2 Dump

Sampler: Bjerkgård/Raaness/...Stored: Løkken

Comment: Båndet hematittmalm

No. of registrated oxide analyses = 1

Klemstein-3 Dump

Sampler: Bjerkgård/Raaness/...Stored: Løkken

Comment: Breksjiert Mn-rik granatmineralisering

No. of registrated oxide analyses = 1

N Bedrock

Comment: Sample 1: Magnetite dominated ore in 40 cm band. A few pyrite crystals Sample 2: Hematite dominated ore from a 2 m thick horizon higher than sample 1 in lithology

NO0023.01 Bedrock

Sampler: Lindahl, I./...Stored: Løkken

Comment: Magnetite dominated ore in a 40 cm band, a few sulphide crystals

No. of registrated element analyses = 1

NO0023.02 Bedrock

Sampler: Lindahl, I./...Stored: Løkken

Comment: Hematite dominated ore in a 2 m thick unit, above sample 1 in lithology.

No. of registrated element analyses = 1

NB! All analyse values are shown at the end of the printout.:

Analyse Results

from

Deposit Area 1806 - 003 Klemsteinsberget

Element analyses
( *=parts pr. million, #=parts pr.billion, Negative values means below detection limit value.)

Sample No. Sample Type Cu* Zn* Pb* Co* Ni* Ag* Au#

NO0023.01 Bedrock 23 47 2 55 36 .1 6.0

NO0023.02 Bedrock 25 17 2 14 3 .1 3.0

------------------

Sample No. Pt# Pd# As* Cd* Ba* Mo* Sb* Bi* S%

NO0023.01 3.0 3.0 2 .6 49 1.00 2 5 .01

NO0023.02 3.0 3.0 24 .5 10 1.00 2 3 .04

------------------

Sample No. V* Cr* Mn* Fe% Th* U* W* Sr* La*

NO0023.01 41 17 3800 33.06 2.00 5.00 1 73.0 6.00

NO0023.02 11 8 2058 13.69 2.00 5.00 1 189.0 4.00

------------------

Sample No. B*

NO0023.01 2

NO0023.02 3

Oxide analyses
( All values are in % )

Sample No. Sample Type SiO2 Al2O3 TiO2 Fe2O3 MnO MgO CaO

Klemstein-1 Dump 25.45 3.25 0.47 67.56 0.30 2.13 2.29

Klemstein-2 Dump 46.09 5.05 0.59 33.25 0.86 4.88 4.91

Klemstein-3 Dump 41.63 12.77 0.64 13.64 17.38 2.54 6.45

------------------

Sample No. Na2O K2O P2O5 Loss Sum

Klemstein-1 0.83 0.12 0.31 -1.63 101.00

Klemstein-2 1.22 0.58 0.56 1.80 100.00

Klemstein-3 -0.01 0.02 0.16 3.56 99.00

From - To	Activity	Comments
1899 - 1906	Pitting	Company/Institution :A/S Håfjellets jernfelter
1935 - 1945	Geology	Company/Institution :NGU

Era:	Proterozoic	Period:	Neoproterozoic
Genesis:	Sedex	Form:	Layer
Main texture:	Banded	Min. distribution:	Semi-massive (20-50 % ore minerals)

	Province:	Caledonides
	Geotec.unit:	Ofoten Nappe Complex
	Tectonic complex:	Upper Allochthon
	Igneous complex:

Relationship	Mineral	Amount
Gangue mineral	Garnet	Major mineral (>10%)
Gangue mineral	Epidote	Major mineral (>10%)
Gangue mineral	Quartz	Major mineral (>10%)
Gangue mineral	Apatite	Subordinate mineral (1-10%)
Gangue mineral	Amphibole	Subordinate mineral (1-10%)
Ore mineral	Magnetite	Major mineral (>10%)
Ore mineral	Hematite	Major mineral (>10%)
Ore mineral	Ilmenite	Accessory mineral (<1%)

Relationship	Rock	Origin
Unknown	Amphibolite	Extrusive Original rock :Basalt
		Metamorphic facies :Amphibolite
Host rock	Calcite marble	Sedimentary Original rock :Limestone
		Metamorphic facies :Amphibolite
Wall rock	Garnet mica schist	Sedimentary Original rock :Marl
		Metamorphic facies :Amphibolite

	Location:	Type:	Orientation(360 gr.):	Relation to min.:
	Wall rock	Primary layering	Strike/Dip :240 / 60	Syn-mineralisation ;...Effect :None

Sample No.	Sample Type	Cu*	Zn*	Pb*	Co*	Ni*	Ag*	Au#
NO0023.01	Bedrock	23	47	2	55	36	.1	6.0
NO0023.02	Bedrock	25	17	2	14	3	.1	3.0

Sample No.	Pt#	Pd#	As*	Cd*	Ba*	Mo*	Sb*	Bi*	S%
NO0023.01	3.0	3.0	2	.6	49	1.00	2	5	.01
NO0023.02	3.0	3.0	24	.5	10	1.00	2	3	.04

Sample No.	V*	Cr*	Mn*	Fe%	Th*	U*	W*	Sr*	La*
NO0023.01	41	17	3800	33.06	2.00	5.00	1	73.0	6.00
NO0023.02	11	8	2058	13.69	2.00	5.00	1	189.0	4.00

Sample No.	Sample Type	SiO2	Al2O3	TiO2	Fe2O3	MnO	MgO	CaO
Klemstein-1	Dump	25.45	3.25	0.47	67.56	0.30	2.13	2.29
Klemstein-2	Dump	46.09	5.05	0.59	33.25	0.86	4.88	4.91
Klemstein-3	Dump	41.63	12.77	0.64	13.64	17.38	2.54	6.45

Sample No.	Na2O	K2O	P2O5	Loss	Sum
Klemstein-1	0.83	0.12	0.31	-1.63	101.00
Klemstein-2	1.22	0.58	0.56	1.80	100.00
Klemstein-3	-0.01	0.02	0.16	3.56	99.00