Norsk versjon | |||||
THE ORE DATABASE | |||||
Occurence 1822 - 001 Ladingen | |||||
(Object Id: 2340) (Last updated: 13.01.2000) |
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Location |
County: | Nordland | Municipality: | Leirfjord (1822) |
Map 1:50000: | Nesna (1827-2) | Map 1:250000: | Mo i Rana |
Coordinate system: | EU89-UTM Zone 33 |
East: | 406772 m. | North: | 7322898 m. |
Longitude: | 12.9445830 | Latitude: | 66.0130990 |
Show on map |
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Resource |
Resource Type: | Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) | Resource Subtype: | Lead | |
Element(s): | Pb As Ag |
Importance |
Raw material meaning: | Not Assessed (reg. 18.02.2015) |
Resources and production |
Activity: | Pitting | Reserves: | ||
Operating method: | Open pit and underground mining | Historical production: |
Mineralization |
Genesis: | Hydrothermal vein | Form: | Layer | |
Main texture: | Structureless | Min. distribution: | Disseminated (<20 % ore minerals) |
Main grain size: | Medium grained (1-3 mm) | Main alteration: |
Strike/Dip: | 40 / 90 | Direction: | ||
Plunge: |
Stratigraphic classification of host rock |
Era: | Paleozoic | Period: |
Province: | Caledonides | |
Geotec.unit: | Helgeland Nappe Complex | |
Tectonic complex: | Øverste allokton | |
Igneous complex: |
Group: | Formation: |
Mineralogy |
Relationship | Mineral | Amount | |
Gangue mineral | Quartz | Major mineral (>10%) | |
Ore mineral | Arsenopyrite | Major mineral (>10%) | |
Ore mineral | Galena | Major mineral (>10%) | |
Ore mineral | Pyrite | Subordinate mineral (1-10%) |
Lithology: |
Relationship | Rock | Origin | |
Unknown | kvartsgang | Intrusive | |
Host rock | kalkkonglomerat | Sedimentary Original rock :Limestone |
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Metamorphic facies :Amphibolite |
Structures |
Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
Host rock | Foliation | Strike/Dip :5 / 55 | Pre-mineralisation ;...Effect :None | |
Host rock | Joints/Fractures | Strike/Dip :40 / 90 | Syn-mineralisation ;...Effect :Controls | |
Host rock | Fold axis | Strike/Dip :45 / 10 | Pre-mineralisation ;...Effect :None |
Information(s) in free text format |
Free text |
Skjerpingen foregikk på 1930-tallet, etter sigende i regi av en svensk privatmann. Bergarten på odden vest for veien ved Ladingen er konglomerat med kalkspat-grunnmasse og boller av dolomitt- og kalkspatmarmor og kalksilikatberg-arter. I sjøkanten er en 5m lang stoll sprengt inn mot NØ for å følge en 10cm mektig kvartsgang. Gangen har retning 40/90. Foliasjon i gneisen er 5/55. Blyglanskuber opptil 5mm store, finkornet arsenkis og spor av svovelkis opptrer i hele gangens mektighet i stollen (prøve 02 og 03). Gangen går SV-over 3-4m ut i sjøen. Her er det bare en 1-2cm mektig sulfidåre midt i kvarts-gangen. Gangen fortsetter opp skrenten over stollen, opp til toppen 6-7m over stollen (5cm mektig) og så noen få meter mot NØ før den forsvinner under overdekket. Det er flere parallelle granittganger (95/90) i området, opptil 3-4m mektige. Prøve 01 er fra sidestein (konglomeratet) til kvarts-gangen. |
Fieldsamples |
Sample No. | Sample type | Miscellanrous | ||||
NO0197.01 | Bedrock |
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NO0197.02 | Bedrock |
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NO0197.03 | Bedrock |
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NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
from |
Deposit Area 1822 - 001 Ladingen |
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# |
NO0197.01 | Bedrock | 15 | 307 | 7 | 2 | 7 | .1 | 1.0 |
NO0197.02 | Bedrock | 8 | 158 | 21259 | 17 | 10 | 230.0 | 76.0 |
NO0197.03 | Bedrock | 5 | 54 | 18725 | 31 | 13 | 488.7 | 247.0 |
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Sample No. | Pt# | Pd# | As* | Cd* | Ba* | Mo* | Sb* | Bi* | S% |
NO0197.01 | 3.0 | 3.0 | 5 | .8 | 27 | 1.00 | 2 | 2 | .06 |
NO0197.02 | 3.0 | 3.0 | 33139 | 5.7 | 2 | 1.00 | 52 | 282 | 2.00 |
NO0197.03 | 3.0 | 3.0 | 42878 | 13.7 | 6 | 1.00 | 135 | 693 | 3.18 |
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Sample No. | V* | Cr* | Mn* | Fe% | Th* | U* | W* | Sr* | La* |
NO0197.01 | 7 | 8 | 104 | .57 | 2.00 | 5.00 | 1 | 176.0 | 4.00 |
NO0197.02 | 2 | 4 | 56 | 3.02 | 2.00 | 5.00 | 5 | 18.0 | 2.00 |
NO0197.03 | 2 | 2 | 42 | 3.97 | 2.00 | 5.00 | 2 | 5.0 | 2.00 |
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Sample No. | B* | ||||||||
NO0197.01 | 2 | ||||||||
NO0197.02 | 2 | ||||||||
NO0197.03 | 2 |
The fact sheet was created on 27.04.2024 |
Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
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