Norsk versjon | |||||
THE ORE DATABASE | |||||
Occurence 5052 - 005 Skråen | |||||
(Object Id: 176) (Last updated: 18.12.1998) |
|
Location |
County: | Trøndelag | Municipality: | Leka (5052) |
Map 1:50000: | Leka (1725-3) | Map 1:250000: | Vega |
Coordinate system: | EU89-UTM Zone 32 |
East: | 625030 m. | North: | 7222142 m. |
Longitude: | 11.6618690 | Latitude: | 65.0991730 |
Show on map |
|
Resource |
Resource Type: | Ferroalloys (Cr,Ni,Co,V,Mo,W) | Resource Subtype: | Chromium | |
Element(s): | Cr |
Importance |
Raw material meaning: | Not Assessed (reg. 18.02.2015) |
Resources and production |
Activity: | Exploration | Reserves: | ||
Operating method: | Historical production: |
Operations |
From - To | Activity | Comments | |
1996 - 1996 | Sampling | Company/Institution :NGU/Malmreg. |
Mineralization |
Era: | Paleozoic | Period: | ||
Genesis: | Orthomagmatic formation | Form: | Layer | |
Main texture: | Banded | Min. distribution: | Semi-massive (20-50 % ore minerals) |
Main grain size: | Fine grained (< 1 mm) | Main alteration: |
Strike/Dip: | 230 / 75 | Direction: | ||
Plunge: |
Stratigraphic classification of host rock |
Era: | Paleozoic | Period: | Ordovician |
Province: | Caledonides | |
Geotec.unit: | ||
Tectonic complex: | ||
Igneous complex: | Leka Ophiolite Complex |
Group: | Formation: |
Mineralogy |
Relationship | Mineral | Amount | |
Gangue mineral | Olivine | Major mineral (>10%) | |
Gangue mineral | Serpentine | Subordinate mineral (1-10%) | |
Ore mineral | Chromite | Major mineral (>10%) |
Lithology: |
Relationship | Rock | Origin | |
Host rock | Dunite | Intrusive Original rock :Dunite |
|
Metamorphic facies :Amphibolite |
Structures |
Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
Host rock | Primary layering | Strike/Dip :230 / 75 | Syn-mineralisation ;...Effect :Controls |
Information(s) in free text format |
Free text |
Ca. 1 km SV for Skråen, 100 m.o.h., er det over 1 - 3 m mektighet i dunitt vekselbånding av finkornet massiv kromitt (prøve 01) og dunitt på mm-cm skala. Mineraliseringen kan følges over ca. 500 m. |
Bibliography: |
References not to be found in NGU's Reference Archive.: |
Fieldsamples |
Sample No. | Sample type | Miscellanrous | ||||
NT0178.01 | Bedrock |
|
NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
from |
Deposit Area 5052 - 005 Skråen |
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# |
NT0178.01 | Bedrock | 29 | 105 | 5 | 59 | 1662 | -.3 | 6.0 |
------------------ |
Sample No. | Pt# | Pd# | Rh# | As* | Cd* | Ba* | Mo* | Sb* | Bi* |
NT0178.01 | 2.0 | 1.0 | -1.0 | 3 | .8 | 2 | -1.00 | -2 | 2 |
------------------ |
Sample No. | V* | Cr* | Mn* | Fe% | Th* | U* | W* | Sr* | La* |
NT0178.01 | 6 | 1008 | 309 | 1.64 | -2.00 | -5.00 | -2 | 1.0 | -1.00 |
------------------ |
Sample No. | B* | ||||||||
NT0178.01 | 15 |
The fact sheet was created on 26.04.2024 |
Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
Copyright © 2024 Geological Survey of Norway |