Survey Metadata
Till
Ontario
1986
Till sampling NTS 52C, D, northwestern Ontario, 1986-1988.
Location map
(requires an Internet connection)
Survey Description
Approximately 600 till samples were collected in the Fort Frances-Rainy River area, northwestern Ontario. In 1986 the till samples were collected as part of the regular mapping routine. In 1987 and 1988 backhoe trenching and sonic drilling programs were undertaken. The data are published in Ontario Geological Survey Study 56.
Data Description:
Paper report.
Quantities Analysed:
<0.063 mm fraction by AAS for 7 elements; by borate fusion-DCP for Cr and Ba; by FA/DCP for Au, Pt and Pd. HMC (bulk <2 mm) by INAA for Au, As and Sb; HMC ground (<0.047 mm) by FA-DCP after aqua regia for 6 elements; by borate fusion-DCP for Cr and Ba.
Geochem Maps Available:
Proportional symbol map showing the distribution of elements in fine and heavy mineral fraction of till.
Other Analyses:
Pebble counts; heavy mineral concentrate for gold grain determinations.
Publication History
| Index | Publication |
|---|---|
| 1 | Bajc, A.F. (1991). Till sampling survey, Fort Frances area results and interpretation. Ontario Geological Survey, Study 56, 249 p. ( more) |
Project History
| Index | Year | Project |
|---|---|---|
| 1 | 1986-1991 | Northwestern Ontario till sampling survey, 1986-1988 ( more) |
Geographic Extent
| Minimum Latitude | Maximum Latitude | Minimum Longitude | Maximum Longitude |
|---|---|---|---|
| 48.5° | 49° | -94.76° | -93.25° |
The geographic extent of the survey is defined by the following polygons:
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Covers parts of 52D/9, 10, 15, 16 (Pinewood, Rainy River, Rainy River, Arbor Vitae) and 52C/11, 12, 13, 14 (Fort Frances, Emo, Northwest Bay, Mainville Lake) in the Fort Frances-Rainy River area, northwestern Ontario. It is bounded to the west by the Canada-US border.
Keywords
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