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THESE TERMS GOVERN YOUR USE OF THIS PRODUCT
Your use of this electronic information product (“EIP”), and the digital data files contained on it (the “Content”), is governed by the terms set out on this page (“Terms of Use”). By opening
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EIP and Content: This EIP and Content is offered by the Province of Ontario’s Ministry of Northern Development, Mines and Forestry (MNDMF) as a public service, on an “as-is” basis. Recommendations and statements of opinions expressed are those of the author or authors and are not to be construed as statement of government policy. You are solely responsible for your use of the EIP and its Content. You should not rely on the Content for legal advice nor as authoritative in your particular circumstances. Users should verify the accuracy and applicability of any Content before acting on it. MNDMF does not guarantee, or make any warranty express or implied, that the Content is current, accurate, complete or reliable or that the EIP is free from viruses or other harmful components. MNDMF is not responsible for any damage however caused, which results, directly or indirectly, from your use of the EIP or the Content. MNDMF assumes no legal liability or responsibility for the EIP or the Content whatsoever. Links to Other Web Sites: This EIP or the Content may contain links, to Web sites that are not operated by MNDMF. Linked Web sites may not be available in French. MNDMF neither endorses nor assumes any responsibility for the safety, accuracy or availability of linked Web sites or the information contained on them. The linked Web sites, their operation and content are the responsibility of the person or entity for which they were created or maintained (the “Owner”). Both your use of a linked Web site, and your right to use or reproduce information or materials from a linked Web site, are subject to the terms of use governing that particular Web site. Any comments or inquiries regarding a linked Web site must be directed to its Owner. Copyright: Canadian and international intellectual property laws protect the EIP and the Content. Unless otherwise indicated, copyright is held by the Queen’s Printer for Ontario. It is recommended that reference to the Content be made in the following form: Ontario Geological Survey 2010. Airborne magnetic survey, colour-filled contours of the residual magnetic field,
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- 5 0 0
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L29150>
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L29250>
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L29450>
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<L41200
L41250>
<L41300
L41350>
<L41400
<L41450
L41500>
<L41550
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T 40 02 00 >
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T400 220>T400230>T4002 40>
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T40 0260 >
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< T400300T400310><T400320
T300180>
<T300191<T300191
Adams Bay
Ajax Lake
AllanLake
AnsteyLake
AremisLake
BabyShingwak
Lake
Asheigamo Lake
AthosLake
BagLake
BartleyLake
BassLake
BeggsLake
BivouacLake
Blacky Bay
Bluffpoint
BogBay
BrittonLake
Brooks Bay(Rowan Lake)
Brooks Cree
k
Brooks Lake
BrownTroutLake
CalvertLake
Cameron Lake
Canoe Bay
Cedartree
ChasePoint
Clar
kson
Clarkson Lake
Cleftrock Creek
CliffPoint
Cross Lake
Cros
srou
te C
reek
CrossrouteLake
CrowLake
D'Artagnan
D'ArtagnanLake
Dash Lake
DashLakePoint
DerbyLake
DERBY LAKEWILDERNESS
AREA
DerryLake
ElbowLake
Emm Bay
Emm Island
Esox Lake
Fish Island
Floyd Lake
Forrest C
reek ForrestLake
Frypan Lake
Furlonge Lake
GibraltarNarrows
GODSON TP
GoldPointIsland
HarrisLake
Hector Lake
HelenaLake
Heronry Lake
Hill
Lake
HolsteinLake
Fog
Lake
HookLake
HornbergLake
HospitalLake
James Bay
Jessie Lake
Kakabikitchiwan Lake
Kakagi Lake
Katimia
Katimiagamak Lake
Knutson Lake
Lawrence Lake
Little Trout Lake
Lou Lake
Lower Brooks Lake
LowerFurlonge
Lake
LowerTwinLake
Mirror Bay
Missus Lake
Mister Lake
Mongus Lake
NealLake
NestorFalls
NewmanLake
NolanLake
Northwest Arm(Pipestone Lake)
OarBay
OsipasinniLake
Otter Bay
Otterskin
Lake
Peninsula Bay
PhinneyLake
PineIsland
Pipestone C
reek
PipestonePivotPoint
PontoonLake
PrinceLake
Rowan Lake
SABASKONGBAY
INDIANRESERVE
34D
SandhillLake
Schistose
SeahorseLake
ShallowWaterLake
Shingwak Lake
SickleLake
SittingMooseLake
South Otterskin Lake
StanburyLake
Stephen
Straw Creek
Straw Lake
Suca
n Cree
k
Sucan Lake
Sullivan Bay
SullivanLake
Thompson Bay
Upper Lawrence Lake
UpperTwinLake
WampumLake
WeisnerLake
WicksLake
WigwamLake
WindfallNarrows
Yoke
CLAXTON TPMCLARTY TP
Nestor Falls(Runway)
LakeLake
KakagiLake
CleftrockLake
Creek
Lake
Lake
CreekCr
eek
KENORA DISTRICT
RAINY RIVER DISTRICT
Lake
Lake
Fog
Lake
GODSON TP
49°05'00"
10'
10'
15'
15'
55'
55'
50'
50'
45'
45'
40'
40'
35'
35'
30'
30'
25'
25'
20'
20'
15'
15'
93°57'31"
49°19'28"
93°57'47" 93°12'14"
49°19'42"
49°05'09"
93°12'20"
-420-400-380-360-350-340-330-320-310-300-290-280-270-260-250-240-220-210-190-160-130-100
-500
110300
RESIDUAL MAGNETIC FIELD GRID
© Queen's Printer for Ontario, 2010.
2 km01 km
NTS References: 52 F/3,4,5,6.
Location map 1 cm equals 20 km
AIRCRAFT
SURVEY PARAMETERS
DESCRIPTIVE NOTESIntroduction
Scale 1:50 000
AIRBORNE MAGNETIC SURVEY
Colour-filled contours of theresidual magnetic field
MAP 60 145
Ontario Geological Survey
This map is published with the permission of the Director,Ontario Geological Survey.
This survey was flown using Firefly's Cessna 206 magnetometer-equipped aircraft. The aircraft was also equipped with GPS
Residual Magnetic Field Map
The contours of residual magnetic intensity were generated fromdigitally recorded data. The magnetic data were corrected fordiurnal variations, levelled to the control lines and interpolatedonto a 10 m regular grid, using the bi-cubic spline algorithm.
was applied to the total magnetic field data at survey altitudeusing the 2005 model year extrapolated to 2007.09 (February 1,2007). A regional correction was applied to level the magneticfield to the Ontario Master Aeromagnetic Grid.
MAGNETIC CONTOURS
10 nT contour
50 nT contour
200 nT contour
Magnetic
1000 nT contour
depression
Type: Cessna U206GRegistration: C-GWAS
MAGNETOMETERType: Geometrics G-822 caesium-vapourSensitivity: 0.005 nTNoise level: 0.02 nTSample interval: 10 readings per second
NAVIGATION AND DATA ACQUISITION SYSTEMSGPS receiver: Novatel ProPak LB PlusGPS sample interval: 2 readings per secondRadar altimeter: King KRA 10A
BASE STATIONMagnetometer: GEM GSM-19Magnetometer sample interval: 1 reading per second
SURVEY SPECIFICATIONSSurvey date: January 22 to April 22, 2007Nominal aircraft terrain clearance: 50 mTraverse line spacing:Control line spacing:Traverse line direction:
Control line direction:
COORDINATE SYSTEMProjection: Universal Transverse MercatorDatum: NAD83Central meridian: 93°00' W (UTM zone 15N)Central scale factor: 0.9996False easting: 500 000 mFalse northing: 0 m
CREDITSData acquisition, data compilation by Firefly Aviation Ltd.,Calgary, Alberta for Whetstone Minerals Inc., Calgary, Alberta.
Ontario Ministry of Northern Development, Mines and Forestry,Sudbury, Ontario.
To enable the rapid dissemination of information, this map hasnot received a technical edit. Every possible effort has beenmade to ensure the accuracy of the information presented;however, the Ontario Ministry of Northern Development,Mines and Forestry does not assume liability for any errorsthat may occur. Users can verify critical information from thecorresponding digital profile and gridded data distributed by theOntario Geological Survey.
Issued 2010.
Information from this publication may be quoted if credit is given.It is recommended that reference be made in the following form:
Ontario Geological Survey 2010. Airborne magnetic survey,colour-filled contours of the residual magnetic field, BrooksLake area―Purchased data; Ontario Geological Survey,
SOURCES OF INFORMATIONBase map information derived from the Ontario Land InformationWarehouse, Land Information Ontario, Ontario Ministry of
Magnetic declination for the centre of the map area wasapproximately 0°33'W in 2010.
1
Users of OGS products are encouraged to contact thoseAboriginal communities whose traditional territories may belocated in the mineral exploration area to discuss their project.
nanoteslas (nT)
Natural Resources, scale 1:50 000.
Magnetic declination on February 1, 2007 for the centre of thesurvey area was 0°07'E. Magnetic inclination on February 1,2007 for the centre of the survey area was 75°07'N. Magneticfield strength was 57 937 nT (calculated using IGRF).
Data reprocessing and map production by Scott Hogg &Associates, Toronto, Ontario.
50 m500 m90° azimuth (blocks 1, 3 & 4)
0° azimuth (blocks 1, 3 & 4)
LEGEND
Contract management, base maps and map surrounds by the
navigation and digital data acquisition systems.
An International Geomagnetic Reference Field (IGRF) correction
Radar sample interval: 10 readings per secondNavigation: Ag-Nav P141
FLIGHT LINE INFORMATION
Line directionLine number> 12701
Data acquisition: RMS Instruments DGR33A
GPS receiver: Novatel OEM2GPS sample interval: 1 reading per second
180° azimuth (block 2)
90° azimuth (block 2)
Purchased Data
Map 60 145, scale 1:50 000.
The geophysical data on this map were purchased from theprivate sector. The original data acquisition was neithersupervised by the Ontario Geological Survey (OGS) nor carriedout to OGS technical specifications. However, the purchaseddata do meet a pre-defined valuation criteria set out by the OGS.
carried out on the digital data.
nanoteslas(nT)
Evans, B. 2007. Pipestone and Redvers Projects, Kenora Area,Ont., High Resolution Aeromagnetic Survey (HRAM) LogisticalReport for Western Warrior Resources Inc.; unpublished report.
Some quality assurance and quality control checks have been
60 145
60 14649°
94° 93°
49°
93°94°
Block 1
Block 4
Block 2
Block 3
PHILLIPS
FLEMING
WOODYATT
NELLES
PATTULLO TAIT
SHENSTON
ROSEBERRY
DILKEMORLEY
AYLSWORTH
MATHER
DOBIE
LASH
KINGFORD
CARPENTER
MATHIEU
DEWART
SUTHERLAND
TOVELL
PRATT
BLUE
SIFTON
MORSON
POTTSRICHARDSON
ROWE SENNMENARY
CLAXTONCROOME
McLARTY
GODSON
RODDICK
GRIESINGER
MISCAMPBELL
DEVLIN
BURRISS
DANCE WATTEN
HALKIRK
FARRINGTON
McGEORGE
WILLINGDON
TWEEDSMUIR
CROZIER
Seine River
LakeKakagi
Upper
Lake
Rainy
LakeLawrence
LakeEsox
Loonhaunt
Rowan
PipestoneLake
LakeAtikwa
Lake
Lake
Lower Manitou
LakeManitou
LakeOF THE
WOODS
LAKE
Pinewood
North Branch
Morson
Sioux Narrows
Minahico
Barwick
Dearlock
Stratton Emo
InternationalFalls
Fort FrancesLaVallee
GoldRock
Crow Lake
U.S.A.