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Bergvesenet rapport nr 1 Intern Journal nr Internt arkiv nr ' Rapport lokalisefing Gradering7195
Kommer fra ..arkiv Ekstern rapport nr Oversendt fra Fortrolig pga Fortrolig fra dato:
Ni & Ol A/S Ni & Ol A/S
Tittel
I Geophysical Surveys at Nikkel og Olivin Mine in Ballangen, NORWAY
Forfatter
Launla, Tero Dato dkr
Bedrift (Oppdragsgiverogieller oppdragstaker) Soumen Malmi OY Kommune Fylke Ballangen Nordland Bergdistrikt €1: 50 000 kartblad 11331 1 1: 250 000 kartblad Narvik Fagområde Geofysikk
Dokument type Forekomster (forekomst, gruvefelt, undersokelsesfelt) Bruvannsfeltet Rana Rastoffgruppe Malm/metall Råstofftype Cu, Ni SWAXIMMSNWSW,W, MW,V,
Sarnrnendrag, innholdsfortegnelseeller innholdsbeskrivelse
Rapporten beskriver magnetiske-, slingram Max-Min, borhullslogging av motstand og ledningsevne, samt magnetisme og susceptibilitet. Til slutt misse-a -la-masse.
Måleresultatene er overlevert som kart uten kommentar. For tolkning, se BV-rapp 7196 Det er vedlagt diskett med maleresultater
NIKKEL OG OLIVIN AS
GEOPHYSICALSURVEYSAT NIKKEL OG
OLIVIN MINE IN BALLANGEN, NORWAll
Espoo, 5 January, 1996
•
SUOMEN MALMI
Box 10, F1N - 02921 ESPOO TEL + 358-0-8524 010 FAX + 358-0-8524 0123-+ /
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GEOPHYSICALSURVEYSAT NIKKEL OG
OIIVIN MINE IN RALIANGEN, NORWAY
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GEOPHYSICAL SURVEYS AT NIKKEL OG OLIVIN MINE IN BALLANGEN,
NORWAY
1NDEX
GENERAL
2
SURVEY AREA
STAKING
4
MAGNETIC SURVEY
5
SLINGRAM SURVEY
BOREFIOLE LOGGINGS
MISE-A-LA- MASSE SURVEY
APPENDICES
GENERAL
This report describes geophysical surveys at Nikkel og Olivin Mine in Ballangen, Norway. The surveys were carried out on behalf of Nikkel og Olivin AS (the Corporation) by Suomen Malmi Oy (the Contractor) during the period 13
11-18.12.1995.
The aim of the survey was to delineate geological structures.
The work consisted of geophysical surveys according to the invitation of tender dated on 23rd October 1995 (0MR) and order dated on 1st November 1995 (Nikkel og Olivin AS). The survey plan was made by the Corporation. The field crew consisted of one foreman and two observers. The duration of the field work was 29 days
SURVEY AREA
The survey area is located at Nikkel og Olivin Mine in Ballangen about 35 km west of the city of Narvik in northern Norway. The size of the area where slingram and magnetic surveys were carried out is about 1.7 km x 1 km. The borehole loggings and the mise-å-la-masse survey were made at the mine site.
STAKING
The lining was made by using a Sokkisha theodolite and a measuring tape The survey lines were orientated by using compass. Totally 1000 m of E-W base line and 3600 m of N-S rapid base line were staked.
MAGNETIC SURVEY
An automatically reading Scintrex Envi-Mag proton magnetometer was used in the survey. As a base station a Scintrex MP-2 magnetometer equipped with a KTP data logger was used
A standard procedure for magnetic total field survey was applied. The station interval was 10 m and the line spacing was 50 m. Totally 3,475 points were measured.
The results are presented as total field magnetic profile maps and as color maps in appendices 2, 3, 13 and 14. Digital field data on a data diskette in Geosoft format is enclosed to this report.
SLINGRAM SURVEY
An APEX Max Min I HLEM system was used in the survey. Measuring frequencies
were 220 Hz, 1,760Hz and 7,040 Hz and the coil separation was 100 meters.
The station interval was 20 m and the line spacing was 50 m. Totally 1,723 points
were measured.
The results are presented as profile maps and color maps in appendices 4 - 12 and
5 - 23. Digital field data on a data diskette in Geosoft fonnat is enclosed to this
report.
BOREHOLE LOGGINGS
In the borehole survey, an OMS-logg borehole logging system consisting of a
hand-held computer and a drill hole interface was used. The measured parameters were
galvanic resistivity (wenner array), conductivity, susceptibilityand 3-components of
the magnetic field.
The survey interval for the 3-component magnetic survey was 5 m, for the other
components the survey interval was 0,1 m. The loggings were made in two holes.
Totally 2,793 m were logged.
The results are presented in appendices 24 - 31. Digital field data on a data diskette
is enclosed to this report.
MISE-K-LA-MASSE SURVEY
In mise-å-la-masse (MAM) measurements, a Gefinex 100 system made by
Outokumpu Oy was used.
The field work was done according to the client's instructions. The amount of the
work was 208 man hours.
The results were delivered as data sheets to the client on the field.
Espoo, 5th January, 1996
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Tero Laurila, Eng
Suomen Malmi Oy
8. APPENDICES
I.
Location map of the survey area
GROUND SURVEYS
Magnetic profile map
Magnetic color map
Slingram profile map
Slingram color map
Slingram color map
Slingram profile map
Slingram color map
Slingram color map
Slingram profile map
Slingram color map
Slingram color map
Magnetic profile map
Magnetic color map
Slingram profile map
Slingram color map
Sfingram color map
Slingram profile map
Slingram color map
Slingram color map
Slingram profile rnap
Slingram color map
Slingram color map
BOREHOLE LOGGINGS
Susceptibility
Conductivity
Resistivity
3-component magnetic
Susceptibility
Susceptibility
Conductivity
Conductivity
Resistivity
3-component magnetic
—1:10 000
1:5 000
1 5 000
Re- and Im- cornponent
1:5 000
Re- component
1:5 000
Im- cornponent
1:5 000
Re- and Im- components
1:5 000
Re- component
1:5 000
Im- component
1:5 000
Re- and Im- components
1:5 000
Re- component
1:5 000
Im- component
1:5 000
1:10 000
1:10 000
Re- and Im- components
1:10 000
Re- component
1:10 000
Im- component
1:10 000
Re- and Im- components
1:10 000
Re- component
1:10 000
Im- component
1:10 000
Re- and Im- components
1:10 000
Re- component
1:10 000
Im- component
1:10 000
hole 235-120
1:2 000
hole 235-120
1.2 000
hole 235-120
1:2 000
hole 235-120
1:2 000
hole 245-125
1:2 000
hole 245-125
1:2 000
hole 245-125
1:2 000
hole 245-125
1:2 000
hole 245- I25
1:2 000
hole 245-125
1:2 000
f = 220 Hz
f = 220 Hz
f=
220 Hz
f = 1760 Hz
f = 1760 Hz
f = 1760 Hz
f= 7040 Hz
f = 7040 Hz
f = 7040 Hz
f=
220 Hz
f = 220 Hz
f=
220 Hz
f = 1760 Hz
f = 1760 Hz
f = 1760 Hz
f = 7040 Hz
f = 7040 Hz
f = 7040 Hz
\PIT
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TX 300 500 C o N , 300 o o reAPPENDIX
3
52196 52184 52176 52168 52162 52158 52152 52148 52142 52138 52134 52130 52126 52120 52118 52110 52104 52094 52082 52064 wrAPPENDIX 4
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15.11.95
JJ
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14.12.95
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bZ
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100
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200
300
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300
350
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5000
4000
3000
2000
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6
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19.11.95
JJ
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04.01.96
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mV
100
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1
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ni tjj 0APPENDIX 31
BALLANGEN
HOLE
245-125
DIP=90.0°
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1: 2000
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field
52650
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2000
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