Norsk versjon | |||||
THE ORE DATABASE | |||||
Occurence 4615 - 002 Storavatnet | |||||
(Object Id: 4840) (Last updated: 13.03.1997) |
|
Location |
County: | Vestland | Municipality: | Fitjar (4615) |
Map 1:50000: | Fitjar (1114-1) | Map 1:250000: | Haugesund |
Coordinate system: | EU89-UTM Zone 32 |
East: | 294767 m. | North: | 6643341 m. |
Longitude: | 5.3329390 | Latitude: | 59.8765020 |
Show on map |
|
Resource |
Resource Type: | Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) | Resource Subtype: | Sulphides | |
Element(s): | Kis |
Importance |
Raw material meaning: | Not Assessed (reg. 18.02.2015) |
Resources and production |
Activity: | Pitting | Reserves: | ||
Operating method: | Historical production: |
Mineralization |
Era: | Paleozoic | Period: | Ordovician | |
Genesis: | Volcex | Form: | Lens | |
Main texture: | Structureless | Min. distribution: | Massive (>50 % ore minerals) |
Main grain size: | Fine grained (< 1 mm) | Main alteration: |
Strike/Dip: | 294 / 78 | Direction: | ||
Plunge: |
Stratigraphic classification of host rock |
Era: | Paleozoic | Period: | Ordovician |
Province: | ||
Geotec.unit: | ||
Tectonic complex: | ||
Igneous complex: |
Group: | Kattnakkengruppen | Formation: |
Mineralogy |
Relationship | Mineral | Amount | |
Gangue mineral | Quartz | Major mineral (>10%) | |
Ore mineral | Pyrrhotite | Major mineral (>10%) | |
Ore mineral | Pyrite | Subordinate mineral (1-10%) |
Lithology: |
Relationship | Rock | Origin | |
Host rock | Skifrig basalt | Extrusive Original rock :Basalt |
|
Metamorphic facies :Greenschist |
Structures |
Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
Host rock | Schistosity | Strike/Dip :294 / 78 | Post-mineralisation ;...Effect :Modifies |
Information(s) in free text format |
Free text |
Like ved Storavatnets vestbredd er det skjerpet to steder. Skjerpene er vanskelige å lokalisere idet de knapt ses fra den bratte strandkanten. Det sydlige skjerpet er det største, og her er det utsprengt 3-4 m3. Der er ca. 60 cm faststående malm med orientering 114°/78°N. Omtrent 50-60 m lenger nord ligger et lite skjerp. Her ble det kun sett litt disseminert (5%) svovel- og magnetkis i en kvartsrik matrix, det var intet tippmateriale å se ved dette skjerpet som i volum var ca. 1 m3. Vertsbergarten ved begge skjerpene er forskifret basalt. Stedet er uinteressant fra en økonomisk synsvinkel. |
Bibliography: |
From NGU's Reference Archive: |
Munster, C.A. , 1908 |
Befaring av en rekke skjærp i Bømlo kommune. |
;Norges geologiske undersøkelse;FAGRAPPORT;Bergarkivet; No.BA 372;9 pages |
Abstract: | |
Rapporten omhandler en rekke kisskjerp på Bømlo nemlig: 1) Høgholmen i Storvann, Fitjar, 2) skjerp ved bredden av Storvann, Fitjar 3) Tre gamle gruver i gårdene Hellands eller Hofstads utmark, Fitjar, 4) Halderaker, 5) Alfsvåg, 6) Fylkesnes, 7) Lindøen, 8) Tollaksvik, 9) Tresvik, 10) Våge og 11) Steinsvåg. Under de enkelte forekomster er gitt opplysninger om beliggenhet, malmtype, malmens feltopptreden, malmføring, gehalter, utførte arbeider, m.m. Rapporten er ledsaget av hele 17 detaljerte kartskisser av forekomstene. |
Fieldsamples |
Sample No. | Sample type | Miscellanrous | ||||
HO0151.01 | Bedrock |
|
||||
HO0151.02 | Bedrock |
|
NB! All analyse values are shown at the end of the printout.: |
Name of Locality: Skjerp 1 |
(Object Id: 6719 2,01,00) |
|
Location |
County: | Vestland | Municipality: | Fitjar (4615) |
Map 1:50000: | Fitjar (1114-1) | Map 1:250000: | Haugesund |
Coordinate system: | EU89-UTM Zone 32 |
East: | 294767 m. | North: | 6643391 m. |
Longitude: | 5.3328900 | Latitude: | 59.8769500 |
Show on map |
|
Resource |
Resource Type: | Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) | Resource Subtype: | Sulphides | |
Element(s): | Kis |
Resources and production |
Activity: | Pitting | Reserves: | ||
Operating method: | Historical production: |
Analyse Results |
from |
Deposit Area 4615 - 002 Storavatnet |
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# |
HO0151.01 | Bedrock | 662 | 30 | 14 | 39 | 102 | 1.3 | 12.0 |
HO0151.02 | Bedrock | 701 | 69 | 24 | 86 | 101 | 1.7 | 5.0 |
------------------ |
Sample No. | Pt# | Pd# | Rh# | As* | Cd* | Ba* | Mo* | Sb* | Bi* |
HO0151.01 | -3.0 | -3.0 | -5.0 | 10 | -.2 | 7 | 15.00 | 4 | 12 |
HO0151.02 | -3.0 | -3.0 | -5.0 | 62 | -.2 | 4 | 20.00 | 10 | 8 |
------------------ |
Sample No. | S% | V* | Cr* | Mn* | Fe% | Th* | U* | W* | Sr* |
HO0151.01 | 26.16 | 26 | 3 | 122 | 34.09 | 2.00 | -5.00 | 4 | 3.0 |
HO0151.02 | 26.00 | 29 | 4 | 108 | 34.03 | 2.00 | -5.00 | 5 | 3.0 |
------------------ |
Sample No. | La* | B* | |||||||
HO0151.01 | 2.00 | -3 | |||||||
HO0151.02 | 4.00 | -3 |
The fact sheet was created on 20.04.2024 |
Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
Copyright © 2024 Geological Survey of Norway |