Norsk versjon
THE ORE DATABASE
Occurence 1833 - 111 Andfiskvatn
(Object Id: 2878)
(Last updated: 01.03.2000)
Belongs to the Province: Mofjellet sink-bly

Location
County: Nordland Municipality: Rana (1833)
Map 1:50000: Mo i Rana (1927-1) Map 1:250000: Mo i Rana
Coordinate system: EU89-UTM Zone 33
East: 462502 m. North: 7350147 m.
Longitude: 14.1650010 Latitude: 66.2690300
Show on map

Resource
Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Zinc
Element(s): Zn Pb Cu
Importance
Raw material meaning: Not Assessed (reg. 18.02.2015)

Resources and production
Activity: Exploration Reserves:
Operating method: Historical production:


Mineralization
Era: Proterozoic Period: Neoproterozoic
Genesis: Sedex Form: Lens
Main texture: Vein network Min. distribution: Semi-massive (20-50 % ore minerals)
Main grain size: Medium grained (1-3 mm) Main alteration:
Strike/Dip: 145 / 17 Direction: 270
Plunge: 15
Stratigraphic classification of host rock
Era: Proterozoic Period: Neoproterozoic
Province: Caledonides
Geotec.unit: Rødingsfjell Nappe Complex
Tectonic complex: Øverste allokton
Igneous complex:
Group: Hauknestindgruppen Formation:

Mineralogy
Relationship Mineral Amount
Gangue mineral Calcite Major mineral (>10%)
Gangue mineral Biotite Subordinate mineral (1-10%)
Gangue mineral Quartz Subordinate mineral (1-10%)
Gangue mineral Muscovite Subordinate mineral (1-10%)
Gangue mineral Tremolite Subordinate mineral (1-10%)
Ore mineral Galena Major mineral (>10%)
Ore mineral Sphalerite Major mineral (>10%)
Ore mineral Pyrite Subordinate mineral (1-10%)
Ore mineral Chalcopyrite Subordinate mineral (1-10%)

Lithology:
Relationship Rock Origin
Host rock Kalkspatmarmor Sedimentary
Original rock :Limestone
Metamorphic facies :Amphibolite
Wall rock Glimmerskifer Sedimentary
Original rock :Greywacke
Metamorphic facies :Amphibolite

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Host rock Foliation Strike/Dip :145 / 17 Post-mineralisation ;...Effect :None
Host rock Fold axis Strike/Dip :270 / 15 Post-mineralisation ;...Effect :Modifies

Information(s) in free text format
Free text
Mineraliseringen er blottet i veiskjæring, er av samme type som på Hauknestind og opptrer i de samme bergarter i synklinalkjernen. Synformen stuper ned mot øst ved Hauknestind og kommer opp igjen nord for Andfiskvatn. Ved UTM 462570 7350350 er det en 3 m mektig kalkspatmarmor med kalkholdig glimmerskifer i heng og ligg. Over ca. 0.5 m mektighet mot hengkontakten til glimmerskiferen er marmoren mineralisert med sinkblende, blyglans, kobberkis og svovelkis (prøve 01 og 02). Det er uregelmessige, massive, smale bånd, årer og linser med sulfider. Langs hengkontakten til glimmerskiferen er det en ca. 5 cm sone av kalkspat-tremolitt-glimmerskifer med litt svovelkis-disseminasjon (03). Den kalkholdige glimmerskiferen i hengen er rusten og inneholder litt svovelkis (04). Ved UTM 462730 7350410 er glimmerskiferen i marmorens ligg impregnert med litt kobberkis og svovelkis (05). Foliasjonen er her 205/10.

Bibliography:
References not to be found in NGU's Reference Archive.:
Spross, E. 1956: Bericht über die Untersuchungsarbeiten im Sommer 1956. Upubl. rapp.


Kruse, A. 1964: Oversikt over malmfelt og malmletingsarbeider i Ranen. Rapport Bergverksselskapet Nord-Norge.


Sager, R. 1866: Erzgeologische Untersuchungen an Kaledonischen Blei, Zink und Kupfer fürenden Kieslagerstätten im Nord-Rana Distrikt, Nord-Norwegen. Doktoravhandling ETH, Zürich.


Schulze, D. 1975: Sulfiderzungen am Hauknestind. Clausthaler Geologische Abhandlungen 21.

Fieldsamples
Sample No. Sample type Miscellanrous
NO0774.01 Bedrock
Sampler: Wilberg, R./...Stored: Løkken
Comment: Kalkspatmarmor med sl, ga, cpy og py.
No. of registrated element analyses = 1
NO0774.02 Bedrock
Sampler: Wilberg, R./...Stored: Løkken
Comment: Kalkspatmarmor med sl, ga, cpy og py.
No. of registrated element analyses = 1
NO0774.03 Bedrock
Sampler: Wilberg, R./...Stored: Løkken
Comment: Kalk-tremolitt-glimmerskifer med litt svovelkis.
No. of registrated element analyses = 1
NO0774.04 Bedrock
Sampler: Wilberg, R./...Stored: Løkken
Comment: Kalkglimmerskifer med litt svovelkis (fra heng).
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: 4149 111,00,01)

Location
County: Nordland Municipality: Rana (1833)
Map 1:50000: Mo i Rana (1927-1) Map 1:250000: Mo i Rana
Coordinate system: EU89-UTM Zone 33
East: 462662 m. North: 7350207 m.
Longitude: 14.1685460 Latitude: 66.2695880
Show on map

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


Fieldsamples
Sample No. Sample type Miscellanrous
NO0774.05 Bedrock
Sampler: Wilberg, R./...Stored: Løkken
Comment: Glimmerskifer med litt kobberkis og svovelkis.
No. of registrated element analyses = 1
NB! All analyse values are shown at the end of the printout.:


Analyse Results
from
Deposit Area 1833 - 111 Andfiskvatn

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#
NO0774.01 Bedrock 3340 99999 68263 17 30 66.1 58.0
NO0774.02 Bedrock 911 99999 742 27 10 1.4 33.0
NO0774.03 Bedrock 332 656 42 8 7 .1 7.0
NO0774.04 Bedrock 101 112 28 13 10 .1 3.0
NO0774.05 Bedrock 250 281 18 18 5 .3 5.0
------------------
Sample No. Pt# Pd# As* Cd* Ba* Mo* Sb* Bi* S%
NO0774.01 2.0 4.0 2 1555.4 23 9.00 50 899 11.89
NO0774.02 1.0 2.0 20 1404.9 37 3.00 15 10 13.50
NO0774.03 6.0 2.0 2 2.9 185 5.00 2 5 .62
NO0774.04 1.0 1.0 2 .2 88 1.00 2 2 1.10
NO0774.05 1.0 1.0 11 .2 33 2.00 2 6 2.18
------------------
Sample No. V* Cr* Mn* Fe% Th* U* W* Sr* La*
NO0774.01 2 9 2546 10.56 6.00 17.00 663 28.0 5.00
NO0774.02 9 6 1525 6.29 4.00 5.00 1 8.0 3.00
NO0774.03 18 11 205 1.73 10.00 5.00 1 11.0 4.00
NO0774.04 16 7 306 1.90 10.00 5.00 1 2.0 4.00
NO0774.05 77 10 474 3.11 1.00 5.00 1 2.0 3.00
------------------
Sample No. B*
NO0774.01 52
NO0774.02 34
NO0774.03 3
NO0774.04 2
NO0774.05 2


The fact sheet was created on 03.05.2024

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