Rabbit Lake Occurrence

The Rabbit Lake Occurrence is a mineral showing near the southeastern shore of Rabbit Lake in Northeastern Ontario, Canada. Situated in northeastern Askin Township, the occurrence contains primary cobalt, nickel and gold mineralization but silver is also present.[1][2] It has a width of 46 cm (18 in) and is hosted by a fracture zone in conglomerate-greywacke of the Huronian Supergroup.[3]

Rabbit Lake Occurrence
Location
Rabbit Lake Occurrence
Location in Ontario
LocationTemagami
ProvinceOntario
CountryCanada
Coordinates46°57′22.7″N 79°40′19.2″W

This ore deposit was of interest to geologists at the time of its discovery in the early 20th century as it showed that cobalt-nickel ores were present so far south of the Cobalt silver district. It was noted, however, that the Rabbit Lake rocks had been disturbed and are much more highly metamorphosed than are those in the vicinity of Cobalt.[3]

Mineral exploration of the Rabbit Lake Occurrence has occurred sporadically since at least the mid 1950s. Sampling has returned assays of 22.53% arsenic, 8.76% cobalt, 6.56% nickel, $8.80/t gold and $1.10/t silver.[2]

References
  1. Gordon, J. B.; Lovell, H. L.; Grijs, Jan de; Davie, R. F. (1979). "Gold Deposits of Ontario Part 2: Part of District of Cochrane, Districts of Muskoka, Nipissing, Parry Sound, Sudbury, Timiskaming, and Counties of Southern Ontario". Ministry of Natural Resources: 27. ISBN 0-7743-3554-8. Cite journal requires |journal= (help)
  2. "Rabbit Lake Occurrence - 1905, Claim J.s. 56 - 1925, J. Sutherland - 1955". Mineral Deposits Inventory, Ministry of Northern Development, Mines and Forestry. Retrieved 2017-11-04.
  3. Cobalt the Mining District: Containing the richest deposits in the world of silver and cobalt also copper gold nickel arsenic, Canada Mines Limited, p. 27
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