GEOPHYSIC 52Be9SE0202 6 3.2226 HAGEY 010 PORT ARTHUR MINING D IVISION, ONTARIO List of Claims TB-117751 TB-117753 TB-117756 TB-13070l - TB-l30715 inclusive. Location This group of 18 mining claims cover part of Lower Shebandowan Lake in the Township of Hagey, Port Arthur Mining Division. The claims adjoin patented lands to the west and south. A location map on a scale of 2 inches equal to one mile accompanies this report. Object of Survey The purpose of the magnetic survey was to locate and outline anomalies which could indicate the presence of ultra basic rocks, such as peridotite, under the lake. Geophysical Survey The magnetic survey was carried out from a previously established camp at the west end of Lower Shebandowan Lake. A Skidoo was used for transportation. A total of five men, employed by the Canadian Nickel Company, conducted a program of line cutting, chaining and magnetometer survey during the months of February and March, 1967. The work was done under the supervision of R. Webster, MSc, whose permanent address is c/o Canadian Nickel Company, Copper Cliff, Ontario. A line spacing of 400 feet and a reading interval of 50 feet was used generally throughout the survey. However, at the west end of the claim group the line interval was reduced to 200 feet. An MF-1 Sharp Fluxgate magnetometer was used for taking the readings. For control of magnetic variations and diurnal drift two base stations were established, one at the base camp and one at 328fOO East, 146+00 North. Total surveyed baseline cut and chained - 15,800 feet Total cross lines cut and chained - 95*^00 feet Total number of magnetic stations read - 2,077
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PORT ARTHUR MINING DIVISION, ONTARIO...GEOPHYSIC 52Be9SE0202 63.2226 HAGEY 010 PORT ARTHUR MINING DIVISION, ONTARIO List of Claims TB-117751 TB-117753 TB-117756 TB-13070l - TB-l30715
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This group of 18 mining claims cover part of Lower Shebandowan Lake in the Township of Hagey, Port Arthur Mining Division. The claims adjoin patented lands to the west and south. A location map on a scale of 2 inches equal to one mile accompanies this report.
Object of Survey
The purpose of the magnetic survey was to locate and outline anomalies which could indicate the presence of ultra basic rocks, such as peridotite, under the lake.
Geophysical Survey
The magnetic survey was carried out from a previously established camp at the west end of Lower Shebandowan Lake. A Skidoo was used for transportation.
A total of five men, employed by the Canadian Nickel Company, conducted a program of line cutting, chaining and magnetometer survey during the months of February and March, 1967. The work was done under the supervision of R. Webster, MSc, whose permanent address is c/o Canadian Nickel Company, Copper Cliff, Ontario.
A line spacing of 400 feet and a reading interval of 50 feet was used generally throughout the survey. However, at the west end of the claim group the line interval was reduced to 200 feet. An MF-1 Sharp Fluxgate magnetometer was used for taking the readings. For control of magnetic variations and diurnal drift two base stations were established, one at the base camp and one at 328fOO East, 146+00 North.
Total surveyed baseline cut and chained - 15,800 feetTotal cross lines cut and chained - 95*^00 feetTotal number of magnetic stations read - 2,077
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Results of Survey
The results of the magnetic survey are shown on the accompanying maps which are on a scale of one inch equal to 200 feet. Magnetic readings are plotted as tens of gammas and are relative to an arbitrary base value. A contour inter val of 200 gammas has been selected.
The area of the survey generally has little magnetic relief. However, there are a few anomalies which warrant further work, the most interesting of which are found on claimsTB-117756 and TB-130712.
A second geophysical method such as electromagnetic will be required before any decision with regard to drilling can be made.
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HPS/la
l FLUXGATE MAGNETOMETER
A first order fluxgate type vertical com ponent magnetometer. Advanced transis torized circuitry and extensive temperature compensation is the core of its accuracy comparable to precision tripod mounted Schmidt type magnetometers.
It is a hand held instrument and needs only coarse levelling and no orientation. Features such as direct reading of gamma values and the possibility of accurate zero setting at base stations ensure simplicity of operation and higher field economy.
The Model MF-1 Fluxgate Magnetometer is designed for accurate ground surveys in the mining industry as well as a basic component for air surveying by small aircraft. Technical data and comparison charts available on request
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52B09SE0202 63.2226 HAGEY 200
THE TOWNSHIP OF
HAGEYDISTRICT OF
THUNDER BAY
PORT ARTHURMINING DIVISION
SCALE: 1-INCH 40 CHAINS
LEGEND
PATENTED LANDCROWN UNO SALELEASES
LOCATED LANDLICENSE OF OCCUPATIONMINING RIGHTS ONLYSURFACE RIGHTS ONLYROADSIMPROVED ROADSKING'S HIGHWAYSRAILWAYSPOWER LINESMARSH OR MUSKEGMINESCANCELLED
NOTES
400' Surface Rights Reservation around
all lakes a nd rivers.
For status of summer resort locations shown thus:fl!BB*U2Lfl*, c ontact D ept. o f
Lands and Forests.
AREA ON CASTOR ISLAND SHOWN THUS
WITHDRAWN FROM STAKING SEC. 42 OF THE MINING ACT. FILE" I6O704.
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