NGR Open Files

Archived information

The database from which the NGR Open File metadata was extracted is unilingual and is not being actively maintained.  It contains information that is not readily available elsewhere.

Open File 0554

Open File:  0554
Previous OF publication(s):  
Province / Territory:  Ontario
Funding Source:  Federal and Provincial
Year of Collection:  1978

Survey Type:  Regional Lake Survey
# Lake sites:  685
# Stream sites:  
Survey Area:  9590 km²
NTS Sheet(s):  041K, 041N

The regional lake sediment and water survey of the north shore of Lake Superior area, Ontario (NTS 41K and 41N) was conducted during the summer of 1978.

This report presents analytical and statistical data for 12 variables in lake sediments and three variables (U, F, pH) in lake waters from 685 sample sites, collected at an average density of one sample per 14.0 km².

Analytical Data

variablemethoddetection limityear of analysis
ArsenicHY-AAS1 ppm1978
CobaltAAS2 ppm1978
CopperAAS2 ppm1978
IronAAS0.02 pct1978
LeadAAS2 ppm1978
Loss-on-ignitionGRAV1 pct1978
ManganeseAAS5 ppm1978
MolybdenumAAS2 ppm1978
NickelAAS2 ppm1978
SilverAAS0.2 ppm1978
UraniumNADNC0.2 ppm1978
ZincAAS2 ppm1978
variablemethoddetection limityear of analysis
FluorineISE20 ppb1978
UraniumFT0.01 ppb1978
pHGCM 1978


The reconnaissance survey was undertaken by the Geological Survey of Canada in conjunction with the Ontario Ministry of Natural Resources under the terms of the Canada - Ontario Agreement on a Uranium Reconnaissance Program.

E.H.W. Hornbrook directed Geological Survey of Canada activities.

Contractor and supervisor details for sample collection
CategoryResponsible Party
Contractor:Marshall Macklin Monaghan, Toronto, Ontario
Supervisor:E.H.W. Hornbrook , W.B. Coker (GSC)
Contractor and supervisor details for sample preparation
CategoryResponsible Party
Contractor:Golder Associates, Ottawa, Ontario
Supervisor:J.J. Lynch (GSC)
Contractor and supervisor details for sample preparation
CategoryResponsible Party
Contractor:Chemex Labs Limited, Vancouver, British Columbia Barringer Magenta Ltd., Toronto, Ontario Atomic Energy of Canada Ltd., Ottawa, Ontario
Supervisor:J.J. Lynch (GSC)

Other information:

Sediments were reanalyzed for additional elements in 1990. Data were released in Open File 2361.

Date modified: