Survey Metadata

NGR lake

Northwest Territories


NGR lake sediment survey, NTS 75K, Northwest Territories, 1975

Location map

(requires an Internet connection)

Survey Description

Lake sediments were collected in 1975 in Northwest Territories. The data are published in GSC Open File 326.

This survey was carried out using National Geochemical Reconnaissance (NGR) protocols.

Publication History

Index Publication
1 Geological Survey of Canada (1976). Regional lake sediment geochemical reconnaissance data, Nonacho Belt, east of Great Slave Lake, N.W.T. Geological Survey of Canada, Open File 326. (more)
2 Maurice, Y.T. (1977). Follow-up geochemical activities in the Nonacho Lake Area, District of Mackenzie. Geological Survey of Canada, Open File 489. (more)
3 Coker, W.B., Ellwood, D.J., Maurice, Y.T. (1981). National geochemical reconnaissance, Nonacho Lake, Northwest Territories (75C, F and K). Geological Survey of Canada, Open File 741, 19 pages. (more)
4 Maurice, Y.T. (1984). Interpretation of data from Nonacho Lake - East Arm of Great Slave Lake Region, District of MacKenzie. Geological Survey of Canada, Paper 84-12. (more)

Project History

Index Year Project
1 1975-1977 Nonacho Belt lake sediment and water surveys, 1975-1976 (more)

Downloadable Files

Index Description Size (bytes)
GSC Open File 326 digital data ( FileID=1125 download)
The data are packaged as a single zip file, compatible with modern operating systems.
Introductory text for GSC Open File 326 ( FileID=417 download)
This PDF file contains the introductory text for GSC Open File 326.  It was scanned from the original document.  The data are not included in this file.
GAS file archive ( FileID=648 download)
This file is an archive of geochemical data stored in the Geochemical Analysis System (GAS) format.  The ZIP file contains a readme file, the data and a user manual.
GAS file archive list of contents ( FileID=649 download)
A PDF file listing the files contained in “”.  The file also lists related publications and if a survey for the data has been created in The Canadian Database of Geochemical Surveys.
Diskette to accompany GSC Open File 326 ( FileID=49 download)
WARNING: the data on the diskette may have been packaged as a 16 bit self-extracting executable file, which is incompatible with 64 bit Windows computers.

Geographic Extent

Minimum Latitude Maximum Latitude Minimum Longitude Maximum Longitude
62° 63° -110° -108°

The geographic extent of the survey is defined by the following polygons:

  • Covers NTS 75K in the North West Territories.


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