GSC Open File Release Notices

Archived information

The text below is an exact reproduction of the original release notice, which was often unilingual.  It contains information that is not readily available elsewhere.  The information on pricing and availability is out of date.

Release Notice Text


Geochemical data for 15,000 rock samples from Red Lake-Lansdowne House area, northwestern Ontario, by R.H.C. Holman, 1960-1961.

Roads to resources project.

The data consists of colorimetric chemical analyses in parts per million for Cu, Zn, and As magnetic susceptibilities (C.G.S. units) and specific gravities. Samples are from 1 inch to 4 mile sheets: Fort Hope (52M); Lansdowne House (43D); Lake St. Joseph (52O); Miminiska (52P); Wunummin Lake (53A); North Caribou (53B); North Spirit (53C). Publication of data for Cu was included on GSC Maps 50-1963 to 56-1963 inclusive and described in GSC Bulletin 130. Geological data for the same area have been published in GSC Paper 63-5 and on GSC Maps 1-1963, 58-1959, 50-1960, 51-1960, 8-1961, 18-1961, 1-1961, 4-1962 and 6-1962.

Examination Points:

GSC Library, Ottawa. Copies of data as printouts from IBM cards and map sheets showing sample locations may be obtained at a charge of $50.00 per set to the GSC Library, Ottawa.


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