Ascot Metal occurrence, McDougall Township, Parry Sound District, Ontario, Canadai

Regional Level Types
Ascot Metal occurrence	Occurrence
McDougall Township	Township
Parry Sound District	District
Ontario	Province
Canada	Country

A graphic pegmatite 1200 feet long and 10 feet thick forming a low ridge.
A low ridge of fine to coarse, pink, graphic leucogranite pegmatite is exposed for a north-south length of at least 1200 feet parts of this length may be in lots 16 or 17. The pegmatite has been intruded as a sill in low-dipping biotite gneiss. Surface widths of the pegmatite may be misleading and true thicknesses may be of the order of 10 feet. Geiger readings on the mass as a whole are 25 (1m) which is barely above a normal background count. The pegmatite has been explored by two trenches and a shallow pit where higher geiger readings are found. The southern trench, 10 feet in length, exposed mixed coarse, biotite granite pegmatite and fine leucogranite pegmatite. Geiger readings are 10 to 15 (5M). The northern trench, 22 feet in length, is 40 feet north of the southern trench. Geiger readings are 15 (5M) with a hot area at the east end of the trench reading 40 (50m). The latter is from a hematite stained pegmatite with yellow uranium stain. Allanite (?) and uranothorite (?) were noted (Specimen: 54-S-349). The shallow pit which is 120 feet N. E. of the southern trench reads 30 (5M) on the geiger ratemeter. A hematite-stained biotite granite pegmatite exposed here contains a few grains of a black uranothorite (?) and yellow uranium staining. (Specimen: 54-S-350).
Hand written note: **Mineral identifacations by Dr. S. C. Robinson, see letter Sept 29/54 filed Satterly's office. Robinson thinks black grains may be highly altered uraninite.**

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