BOYKO - RAINBOTH - WALKER REPORT ON PROSPECTING GERALDTON - TASHOTA AREA THUNDER BAY MINING DIVISION JANUARY 25, 1991

Transcription

1 42L86NW182a SUMMIT LAKE BOYKO - RAINBOTH - WALKER REPORT ON PROSPECTING GERALDTON - TASHOTA AREA THUNDER BAY MINING DIVISION JANUARY 25, 1991

2 "ABLE OF CONTENTS SUMMIT LAKE 010C Introducti on Page l Project l Project 2 Project 3 Marshall Lake Toronto L., Castor L., Howard Falls Cavell L., Chara L., Ogoki Road Cavell Lake Maps l Location Map Prospecting Areas Marshall Lake Conductor l Conductor 2 Prospecting Magnetic Survey 7 VLF-EM Survey s MaxMin II Prospecting Project 2 Conductors 3A, 3B, 4 Prospecting Toronto Lake Prospecting (North) Prospecting (West) ^ Project 2 Castor Lake Cavell Lake Howard Falls Chara Lake Ogoki Road Cavell Lake Prospecting Prospecting Prospecting Prospecting Prospecting CI aim Map East Block West end Prospecting Prospecting ENCLOSURES Marshall Lake Conductor Location Plan

3 INTRODUCTION A partnership of W. P. Boyko, W. Rainboth and A.James Walker was formed to do -follow-up of the Ontario Geological Survey 1989 Airborne Electromagnetic, and Total Intensity Magnetic Survey, with the assistance of a grant from the Ontario Prospectors Assistance Program. In preparation for -field work, OGS assessment files were researched for areas of interest, shown tay the airborne survey. Overlays were made for the airborne maps, on which geology and previous work was transferred. In addition, airborne survey profiles were studied to confirm that conductors were from a bedrock source. Land positions were also added to the overlays. The program was divided into three projects, tt l Marshall Lake, #2 individual conductors at Toronto Lake, Castor Lake, Cavell Lake, Howard Fall s,ogoki Road and Chara Lake, and tt3 Cavell Lake, where claims were staked and ground geophysics carried out to explore a copper discovery. PROJECT l MARSHALL LAKE Five conductors were examined in the vicinity of Marshall Creek, south of Marshall Lake and are shown on enclosed location plan. Work was by Rainboth and Walker. (June 11-25,1990) Access to the conductors was possible via Marshall Creek, due to high water levels at the time of examination. Conductor l Conductor 2 A trail was cut into the area of the conductor from Marshall Creek and was located using VLF--EM. After some initial prospecting of nearby outcrops, 4 lines of recce mag and VLF--EM were run across the conductor. The surveys showed a good conductor with slightly higher magnetics. One picket line was cut to allow a test with MaxMin II EM.This showed the conductor located in low wet ground between outcrop areas,to have poor conductivity. Four claims were staked to cover the anomaly. A trail was cut into the conductor. The VLF-EM test showed the conductor to be in swamp, about 150m north of the outcrop area. No further work was warranted. The outcrop area was prospected. Conductors 3A and 3D The area of these 2 conductors was prospected and both conductors occur in low wet ground, as located with VLF--EM. Conductor 4 VLF-EM gave dips over 80"/. at the edge of the creek, showing conductor in creek. Prospected outcrops.

4 t PROJECT 2 TORONTO LAKE TORONTO L., CASTOR L., CAVELL L., HOWARD FALLS, CHARA L. OGOKI ROAD Rainboth and Boy k o flew into Toronto Lake -from Jell i coe. They traversed around the north end of the bay to check on conductors. They found an old trench with pyrite and pyrrhotite and a carbonate zone, as shown on sketch. (July 13) Rainboth drove to Toronto Lake and prospected west of main road. Located outcrops, no sulphides (July 9) CASTOR LAKE CAVELL LAKE HOWARD FALLS CHARA LAKE OGOKI ROAD Rainboth and Boyka flew into Castor Lake in Oboshkegan Township. Sulphide zone located. Sample assayed trace gold,. Ol"/. copper,.017. zinc. (July 12) Rainboth and Boyko flew into lake northeast of Cavell Lake. Located minor sulphides on lakeshore. Found copper bearing sulphide boulders near pond 1.5 km. southeast of lake. (July 11) Rainboth drove from Nakina. Examine conductor area. No outcrops seen in vicinity. ( Aug. 8) Rainboth drove from Nakina. Prospect near lake, east of road. Weak conductors. No outcrops found.(aug. 15) Rainboth drove from Nakina to conductor area as shown on sketch. No outcrops were seen in traverses.aug.12 PROJECT CAVELL LAKE After the discovery of copper mineralization, it was decided to cover the airborne conductors in the area with some 58 claims, plus an an additional 10 claims to the east, on a magnetic anomaly that appears to be a pipe like structure. Also, to do some stripping and blasting,prospecting as well as some ground geophysics. Mr. Glen Coyne and Mr. Pi erre Mail let of Timmins were engaged to carry out this work, and the partners also participated in these efforts. The airborne geophysical data over the area of interest was extracted and reprocessed in colour at a larger scale to facilitate interpretation and guide field work. An old trench with some sulphides was located in prospecting of conductors at west end of claims near creek between lakes.assays showed only trace in gold. During staking, linecutting and geophysics the only outcrops obsers'ed were at the west part of the group and along shore of lake on northwest of block. No outcrops were observed in prospecting the easterly claim block.

5 The discovery of mineralization was thought to be in outcrop. The stripping and blasting showed the mineralization to be in large boulders, less than 25 meters -from an airborne conductor. A grab sample assayed Cu. Another sample of the sulphides ran 0.20"/. C LI. The showing is located on the grid at 2+15E, 0+15N About 20km of l inecutting was done over 12 claims. Magnetic, VLF-EM and MaxMin II surveys were carried out. The ground surveys located the airborne results and had good correlation in most cases. The lake adjacent to the mineral location prevented complete coverage of the surveys. A separate report has been prepared for the ground surveys. Discussions were held with Teck Explorations November 13 and 22 to carry not further ground geophysics and diamond drill ing.we were advised verbally on January 23 that Teck is writing us to advise they are proposing to complete the geophysics prior to making a commitment for diamond drilling. Camping equipment, chain saw, generator, geophysical instruments, canoe and motor were supplied by E'oyko and Walker. All staking costs, including flying charges, camp supplies and labour has'e been charged to staking. Resp ec t f LI 11 y sub m i t ted W.P. Boyko W. Rainboth A. J&mss Walker

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23 63. se i e SUMMIT LAKE 900 III l S SUBMIT l AL CONSISTED OF VARIOUS REPORTS, SOME OF WHICH HAVE BEEN CULLED FROM THIS FILE. THE CULLED MAIERIAL HAD BEEN PREVIOUSLY SUBMIHLD UNDER THE FOLLOWING RECORD SERIES (HIE DOCUMENIS CAN BE VIEWED IN THESE SERIES): L/ik* Proper kj } Uoop On go l j] 1x^7.40

24 BoyKO, RAIN60TH, WALKER AfXl/^SH^LL L A/Tf PROJECT CO/VDUCrOR LOCATIONS SCALE l : ^ 42L06Nwiaae ea.ssie SUMMIT LAKE 200