Fact Sheet for <b>Occurence 5601

					Norsk versjon
	THE ORE DATABASE
	Occurence 5601 - 071 Melsvik
	(Object Id: 887) (Last updated: 06.12.2023)

Location

County:

Finnmark

Municipality:

Alta (5601)

Map 1:50000:

Alta (1834-1)

Map 1:250000:

Nordreisa

Coordinate system:

EU89-UTM Zone 34

East:

577154 m.

North:

7765591 m.

Longitude:

23.0202510

Latitude:

69.9860120

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Resource

	Resource Type:	Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn)	Resource Subtype:	Copper
			Element(s):	Cu

Importance

Raw material meaning:

Not Assessed (reg. 20.03.2017)

Resources and production

	Activity:	Exploration	Reserves:
	Operating method:		Historical production:

Operations

From - To Activity Comments

1979 - 1979 Geochemistry Company/Institution :NGU

1996 - 1996 Sampling Company/Institution :NGU

Mineralization

Genesis: Replacement/Metasomatism Form: Layer

Main texture: Vein network Min. distribution: Irregular (scattered)

Main grain size: Fine grained (< 1 mm) Main alteration:

Strike/Dip: 180 / 40 Direction:

Plunge:

Stratigraphic classification of host rock

Era: Proterozoic Period: Neoproterozoic

Province: Caledonian Basement Province

Geotec.unit: Alta-Kvænangen Greenstone Belt

Tectonic complex:

Igneous complex:

Group: Raipas Formation: Storviknes

Mineralogy

Relationship Mineral Amount

Gangue mineral Dolomite Major mineral (>10%)

Gangue mineral Quartz Subordinate mineral (1-10%)

Ore mineral Bornite Major mineral (>10%)

Ore mineral Chalcopyrite Major mineral (>10%)

Ore mineral Digenite Major mineral (>10%)

Ore mineral Chalcocite Accessory mineral (<1%)

Ore mineral Covellite Accessory mineral (<1%)

Ore mineral Rutile Accessory mineral (<1%)

Ore mineral Pyrite Accessory mineral (<1%)

Ore mineral Malachite Accessory mineral (<1%)

Lithology:

Relationship Rock Origin

Host rock Dolomite Sedimentary
Original rock :Dolomite

Metamorphic facies :Greenschist

Wall rock Mud schist Sedimentary
Original rock :Silty mudstone

Metamorphic facies :Greenschist

Wall rock Siltstone Sedimentary
Original rock :Siltstone

Metamorphic facies :Greenschist

Structures

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

Host rock Primary layering Strike/Dip :180 / 40 Pre-mineralisation ;...Effect :Controls

Information(s) in free text format

Free text

Storviknesformasjonen i området sør for Melsvik består av en ca. 100 m mektig grå til grønn siltstein med 5 tynne, 0.3 - 5 m mektige, dolomittlag. Flere av disse er kobber-mineralisert over en strøklengde på minst 3 km. Mineraliseringen ble funnet ved oppfølging av en geokjemisk bekkesedimentanomali (Næss og Staw 1979), og det er ikke gjort røskingsarbeider av noe slag i området. Anomalien strekker seg helt fra sjøen ved Melsvik og sørover i retning Møllnesvatnet. Disseminerte kobbersulfider opptrer i basislagene i dolomitten. Noe svovelkis finnes særlig i den grønnlige siltsteinen like under dolomitten. Sulfidparagenesen utgjøres vesentlig av tett sammenvokst bornitt og digenitt, og i den sørlige delen synes kobberkis å dominere. Hovedskjerpet: I skaret ned fra "500-vatnet" er det i høyde 390 - 365 m.o.h. er det 5 parallelle, 2 - 5 m mektige dolomittlag med noe kobberkis og litt svovelkis som disseminasjon og i årer (prøve 01 fra det nest øverste laget). Kobberkis sitter i både finkornig dolomitt og i gangsverm av kvarts (få cm mektige, stedvis bergkrystaller) i dolomitt. Det er mer eller mindre kobberkis i alle 5 lag. De mineraliserte dolomittlagene forløper nordover gjennom "skjerp 1" og "skjerp 2" ned mot sjøen ved Melsvik.

Bibliography:

From NGU's Reference Archive:

Vik, Eirik , 1985

En geologisk undersøkelse av kobbermineraliseringene i Alta-Kvænangenvinduet, Troms og Finnmark.

;NTH Bergavd.;AVHANDLING

Næss, Gunnar; Staw, Jomar , 1978

Bekkesedimentundersøkelse Alta - Kvænangenvinduet. Kartbladene Alta, Gargia og Talvik.

;Norges geologiske undersøkelse;FAGRAPPORT;NGU-rapport; No.1657;2 pages

Abstract:

Det er tatt 449 bekkesedimentprøver i Alta-Kvænangenvinduet på kartbladene Alta, Gargia og Talvik. Prøvene er analysert på kobber, sink, bly, nikkel, molybden, kobolt, litium, sølv, mangan og jern. Det er påvist en rekke høye konsentrasjoner av kobber, sink, bly, nikkel, kobolt, mangan og jern. De høye analyseverdiene er med få unntak knyttet til Kvenvikgrønnsteinens bergarter.

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

Moberg, A. 1968: Kopparverket i Kåfjord, ett bidrag til Nordkalottens historia. Nordbottens Museum, 143 s.

Fieldsamples

Sample No. Sample type Miscellanrous

FI0233.01 Bedrock

Sampler: Wilberg, R./...Stored: Løkken

Comment: Dolomite with cpy diss.

No. of registrated element analyses = 1

JSVF_33 Bedrock

Sampler: J.S. Sandstad/...Stored: Løkken

Comment: Chalcopyrite dissemination/stringers in dolomite

No. of registrated element analyses = 1

JSVF_34 Bedrock

Sampler: J.S. Sandstad/...Stored: Løkken

Comment: Chalcopyrite dissemination/stringers in dolomite

No. of registrated element analyses = 1

JSVF_35 Bedrock

Sampler: J.S. Sandstad/...Stored: Løkken

Comment: Chalcopyrite-pyrite dissemination in siltstone, strong malachite staining

No. of registrated element analyses = 1

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

Name of Locality: Skjerp 1

(Object Id: 2376 71,01,00)

Location

County: Finnmark Municipality: Alta (5601)

Map 1:50000: Alta (1834-1) Map 1:250000: Nordreisa

Coordinate system: EU89-UTM Zone 34

East: 577294 m. North: 7766101 m.

Longitude: 23.0243570 Latitude: 69.9905410

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Resource

Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Copper

Element(s): Cu

Resources and production

Activity: Exploration Reserves:

Operating method: Historical production:

Information(s) in free text format

Free text

De mineraliserte dolomittlagene forløper nordover gjennom "skjerp 1" og "skjerp 2" ned mot sjøen ved Melsvik.

Fieldsamples

Sample No. Sample type Miscellanrous

JSVF_31 Bedrock

Sampler: J.S. Sandstad/...Stored: Løkken

Comment: Chalcopyrite dissemination and stringers in dolomite

No. of registrated element analyses = 1

JSVF_32 Bedrock

Sampler: J.S. Sandstad/...Stored: Løkken

Comment: Chalcocite-chalcopyrite mineralisation dolomite

No. of registrated element analyses = 1

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

Name of Locality: Skjerp 2

(Object Id: 2410 71,02,00)

Location

County: Finnmark Municipality: Alta (5601)

Map 1:50000: Alta (1834-1) Map 1:250000: Nordreisa

Coordinate system: EU89-UTM Zone 34

East: 577164 m. North: 7767321 m.

Longitude: 23.0220140 Latitude: 70.0015130

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Resource

Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Copper

Element(s): Cu

Resources and production

Activity: Exploration Reserves:

Operating method: Historical production:

Information(s) in free text format

Free text

De mineraliserte dolomittlagene forløper nordover gjennom "skjerp 1" og "skjerp 2" ned mot sjøen ved Melsvik.

Name of Locality: Skjerp 3

(Object Id: 39353 71,03,00)

Location

County: Finnmark Municipality: Alta (5601)

Map 1:50000: Alta (1834-1) Map 1:250000: Nordreisa

Coordinate system: EU89-UTM Zone 34

East: 577269 m. North: 7765413 m.

Longitude: 23.0231060 Latitude: 69.9843870

Show on map

Resource

Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Copper

Element(s): Cu

Resources and production

Activity: Exploration Reserves:

Operating method: Historical production:

Fieldsamples

Sample No. Sample type Miscellanrous

JSVF_36 Bedrock

Sampler: J.S. Sandstad/...Stored: Løkken

Comment: Chalcopyrite in laminated dolomite

No. of registrated element analyses = 1

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

Name of Sample point: Prøvepunkt 1

(Object Id: 39354 71,03,01)

Location

County: Finnmark Municipality: Alta (5601)

Map 1:50000: Alta (1834-1) Map 1:250000: Nordreisa

Coordinate system: EU89-UTM Zone 34

East: 577378 m. North: 7765339 m.

Longitude: 23.0258670 Latitude: 69.9836830

Show on map

Resource

Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Copper

Element(s): Cu

Fieldsamples

Sample No. Sample type Miscellanrous

JSVF_37 Bedrock

Sampler: J.S. Sandstad/...Stored: Løkken

Comment: Bornite dissemination in white dolomite

No. of registrated element analyses = 1

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

Analyse Results

from

Deposit Area 5601 - 071 Melsvik

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#

FI0233.01 Bedrock 4723 26 6 7 11 -.3 5.0

JSVF_31 Bedrock 1320 27 8 7 12 .1 1.0

JSVF_32 Bedrock 5050 255 217 11 12 2.0 74.0

JSVF_33 Bedrock 4350 31 26 11 18 2.0 55.0

JSVF_34 Bedrock 3200 28 9 11 17 .1 1.0

JSVF_35 Bedrock 5750 117 3 26 124 .3 9.0

JSVF_36 Bedrock 4940 39 4 8 40 .2 3.0

JSVF_37 Bedrock 2900 19 3 2 8 5.4 19.0

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

Sample No. Pt# Pd# Rh# As* Cd* Ba* Mo* Sn* Sb*

FI0233.01 1.0 -1.0 -1.0 16 .2 59 5.00 -2

JSVF_31 -5.0 -1.0 3 .2 110 0.75 -0 1

JSVF_32 -5.0 -1.0 749 4.3 20 1.44 -0 179

JSVF_33 -5.0 2.0 27 .4 50 9.27 -0 3

JSVF_34 -5.0 1.0 7 .2 20 0.91 -0 1

JSVF_35 -5.0 3.0 5 .0 440 34.00 1 1

JSVF_36 -5.0 3.0 4 .1 120 12.05 0 1

JSVF_37 -5.0 1.0 26 .1 30 2.93 -0 0

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

Sample No. Bi* Se* Ga* Ge* S% V* Cr* Mn* Fe%

FI0233.01 4 .12 5 6 2880 1.55

JSVF_31 0 1.00 1.45 -0.05 .08 13 7 3030 1.23

JSVF_32 1 1.00 1.60 0.05 .32 14 11 2320 1.14

JSVF_33 3 4.00 1.79 0.07 .27 16 13 4140 2.14

JSVF_34 0 1.00 1.50 0.05 .26 13 7 3240 1.60

JSVF_35 1 4.00 13.75 0.10 .59 105 162 263 3.85

JSVF_36 1 4.00 5.69 0.06 .35 45 58 4360 3.02

JSVF_37 3 2.00 1.03 0.05 .08 19 8 917 .70

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

Sample No. Th* U* W* Rb* Sr* Y* Zr* Nb* Ta*

FI0233.01 -2.00 -5.00 -2 60.0

JSVF_31 0.50 0.60 0 1.3 76.4 6.4 5 0.30 -0.05

JSVF_32 0.70 0.90 0 4.8 66.8 4.9 7 0.40 -0.05

JSVF_33 1.00 0.90 0 4.6 131.0 12.6 10 0.70 0.05

JSVF_34 0.60 0.80 0 2.0 85.9 7.2 6 0.40 -0.05

JSVF_35 5.80 2.90 1 54.8 10.8 10.1 84 3.80 0.35

JSVF_36 2.90 2.10 1 24.8 50.2 13.9 36 1.80 0.17

JSVF_37 0.60 1.30 0 5.7 76.8 3.4 10 0.50 0.05

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

Sample No. Cs* La* Ce* B* Li* Be* P* Sc* Ti*

FI0233.01 4.00 4

JSVF_31 0.25 5.20 13.15 4 0 60 2.50 0

JSVF_32 0.46 4.50 10.50 12 0 70 2.70 0

JSVF_33 0.34 8.70 20.90 5 0 150 2.80 0

JSVF_34 0.33 6.00 14.60 5 0 70 2.60 0

JSVF_35 3.16 12.20 27.10 76 1 610 13.60 0

JSVF_36 1.08 12.60 27.40 22 0 280 8.20 0

JSVF_37 0.22 2.60 5.52 9 0 290 1.90 0

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

Sample No. Te* Hf* Re* Tl*

FI0233.01

JSVF_31 -0.05 0.20 2 0

JSVF_32 0.06 0.20 -2 0

JSVF_33 0.08 0.30 9 0

JSVF_34 0.05 0.20 -2 0

JSVF_35 0.10 2.80 3 0

JSVF_36 0.18 1.10 -2 0

JSVF_37 -0.05 0.20 -2 0

From - To	Activity	Comments
1979 - 1979	Geochemistry	Company/Institution :NGU
1996 - 1996	Sampling	Company/Institution :NGU

	Genesis:	Replacement/Metasomatism	Form:	Layer
	Main texture:	Vein network	Min. distribution:	Irregular (scattered)

	Province:	Caledonian Basement Province
	Geotec.unit:	Alta-Kvænangen Greenstone Belt
	Tectonic complex:
	Igneous complex:

Relationship	Mineral	Amount
Gangue mineral	Dolomite	Major mineral (>10%)
Gangue mineral	Quartz	Subordinate mineral (1-10%)
Ore mineral	Bornite	Major mineral (>10%)
Ore mineral	Chalcopyrite	Major mineral (>10%)
Ore mineral	Digenite	Major mineral (>10%)
Ore mineral	Chalcocite	Accessory mineral (<1%)
Ore mineral	Covellite	Accessory mineral (<1%)
Ore mineral	Rutile	Accessory mineral (<1%)
Ore mineral	Pyrite	Accessory mineral (<1%)
Ore mineral	Malachite	Accessory mineral (<1%)

Relationship	Rock	Origin
Host rock	Dolomite	Sedimentary Original rock :Dolomite
		Metamorphic facies :Greenschist
Wall rock	Mud schist	Sedimentary Original rock :Silty mudstone
		Metamorphic facies :Greenschist
Wall rock	Siltstone	Sedimentary Original rock :Siltstone
		Metamorphic facies :Greenschist

	Location:	Type:	Orientation(360 gr.):	Relation to min.:
	Host rock	Primary layering	Strike/Dip :180 / 40	Pre-mineralisation ;...Effect :Controls

	Abstract:
	Det er tatt 449 bekkesedimentprøver i Alta-Kvænangenvinduet på kartbladene Alta, Gargia og Talvik. Prøvene er analysert på kobber, sink, bly, nikkel, molybden, kobolt, litium, sølv, mangan og jern. Det er påvist en rekke høye konsentrasjoner av kobber, sink, bly, nikkel, kobolt, mangan og jern. De høye analyseverdiene er med få unntak knyttet til Kvenvikgrønnsteinens bergarter.

Sample No.	Sample Type	Cu*	Zn*	Pb*	Co*	Ni*	Ag*	Au#
FI0233.01	Bedrock	4723	26	6	7	11	-.3	5.0
JSVF_31	Bedrock	1320	27	8	7	12	.1	1.0
JSVF_32	Bedrock	5050	255	217	11	12	2.0	74.0
JSVF_33	Bedrock	4350	31	26	11	18	2.0	55.0
JSVF_34	Bedrock	3200	28	9	11	17	.1	1.0
JSVF_35	Bedrock	5750	117	3	26	124	.3	9.0
JSVF_36	Bedrock	4940	39	4	8	40	.2	3.0
JSVF_37	Bedrock	2900	19	3	2	8	5.4	19.0

Sample No.	Pt#	Pd#	Rh#	As*	Cd*	Ba*	Mo*	Sn*	Sb*
FI0233.01	1.0	-1.0	-1.0	16	.2	59	5.00		-2
JSVF_31	-5.0	-1.0		3	.2	110	0.75	-0	1
JSVF_32	-5.0	-1.0		749	4.3	20	1.44	-0	179
JSVF_33	-5.0	2.0		27	.4	50	9.27	-0	3
JSVF_34	-5.0	1.0		7	.2	20	0.91	-0	1
JSVF_35	-5.0	3.0		5	.0	440	34.00	1	1
JSVF_36	-5.0	3.0		4	.1	120	12.05	0	1
JSVF_37	-5.0	1.0		26	.1	30	2.93	-0	0

Sample No.	Bi*	Se*	Ga*	Ge*	S%	V*	Cr*	Mn*	Fe%
FI0233.01	4				.12	5	6	2880	1.55
JSVF_31	0	1.00	1.45	-0.05	.08	13	7	3030	1.23
JSVF_32	1	1.00	1.60	0.05	.32	14	11	2320	1.14
JSVF_33	3	4.00	1.79	0.07	.27	16	13	4140	2.14
JSVF_34	0	1.00	1.50	0.05	.26	13	7	3240	1.60
JSVF_35	1	4.00	13.75	0.10	.59	105	162	263	3.85
JSVF_36	1	4.00	5.69	0.06	.35	45	58	4360	3.02
JSVF_37	3	2.00	1.03	0.05	.08	19	8	917	.70

Sample No.	Th*	U*	W*	Rb*	Sr*	Y*	Zr*	Nb*	Ta*
FI0233.01	-2.00	-5.00	-2		60.0
JSVF_31	0.50	0.60	0	1.3	76.4	6.4	5	0.30	-0.05
JSVF_32	0.70	0.90	0	4.8	66.8	4.9	7	0.40	-0.05
JSVF_33	1.00	0.90	0	4.6	131.0	12.6	10	0.70	0.05
JSVF_34	0.60	0.80	0	2.0	85.9	7.2	6	0.40	-0.05
JSVF_35	5.80	2.90	1	54.8	10.8	10.1	84	3.80	0.35
JSVF_36	2.90	2.10	1	24.8	50.2	13.9	36	1.80	0.17
JSVF_37	0.60	1.30	0	5.7	76.8	3.4	10	0.50	0.05