All shaft sinking was reported to have stop in 1951, when the company was rather conducting further explorations of this site. By this time the Ethel Copper Mines, Limited had diamond drilled 27 holes, that soon ended up totalling 7,271 feet. No other production or development occurred within that year as the mine was going through further explorations. Most of this might of happened because the company could of been looking for a better ways in uncovering this ore-body.
Within 1952, the company found a better means of recovering this ore-body from the ground when an adit was driven for distance of 150 feet into the hill side. Its also considered to expanded to the 125 foot level where it ends. At the bottom of the adit, a 25 foot crosscut to the south intersects the vein zone which was drifted to the east, and the west for total distance of 500 feet. Most of the mineralization on the vein zone is known to consist of chalcopyrite, bornite, and specularite in a carbonate matrix. A small milling facility, and power plant became developed as the mine produce heavy amounts of copper-Gold-Silver ore. In total production the mill had processed 200,739 Kg of copper, 188,515.3 Kg of Silver, and 3,421.3 Kg of Gold from 1962 to 1966. No other production or development occurred after that as the mine ceased operation by this company.
This mining operation was discovered next to the Moose Horn Mine in 1960, when Ethel Copper Mines, Limited staked this claim. It's main ore-body consisted of 3.75% copper with some gold, and silver in place. During this time period the company was mainly focusing on sinking the shaft at a distance of 155 feet to the west boundary of Tudhope, and James Townships. Company officials from the Ethel Copper Mine, Limited had also sunken this shaft to west side of the main vein zone. As development continued to take place the company soon removed 1,000 tonnes of ore from the mine workings that assayed 3.75% copper, and had a small amount of gold, and silver. With this development taking place the company soon conducted their own diamond drilling phase that totalled 200 feet of drilling from three holes.
1962 - St. Lucie Syndicate leased the property from the Ethel Copper Mines, Limited,
It was rather at this time period when the syndicate had incorporated the St. Lucie Exploration Company, Limited. Almost all mining operations on the Ethel Copper Mine had continued from September, 23 to December 22, 1962. For the most part development within this time period was being done under contract by Patrick Harrison, and Company, Limited. All the ore was also being trucked under contract to the New Ryan Lake Mine Site, and the Concentrate had been shipped to the smelter owned by Noranada in Quebec, Canada. A small incline adit was reported to have been driven for a distance of 150 feet at a 20 degree angle before it was slashed to 10 by 10 foot dimention, and extended to about 350 feet. This also had resulted in constructing a 20 foot crosscut that was driven south to intersect the main vein zone.at the bottom of this adit. From here much of the area was rather stated to have been opened up by drift sections to the east, and west. Diamond drilling within this time period had consisted of 8 holes, totalling 406 feet from underground, and 4 holes, totalling 425 feet from the surface. There was also structures that became added to this operation, and had included an extendtion to the Compressor, and machine building Other development had consisted of a new office, and power house within 1962. Production from the mine had shipped a total of 8,416 tonnes of ore to the milling facility at the New Ryan Lake Mine.
1963 - Leased to the St. Lucie Exploration Company, Limited from the Ethel Copper Mines, Limited.
A small amount of drifting had also occurred during this time period as the 125 foot leve had now been opened up by 500 feet of drifting, and 25 feet of crosscutting. Operations at the Ethel Copper Mine became suspended due to a fire that destroyed the compressor. A small amount of ore that totalled 237 tonnes was trucked to the New Ryan Lake Mine. Company officials had also left a total of 1,000 tonnes of copper ore that was never treated at the New Ryan Lake Mine Site.
This geological area contains chalcopyrite, bornite, gold and silver traces and spectacular hematite veins in the Nipissing Diabase.