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 1356

Open File:  1356
Previous OF publication(s):  
Province / Territory:  Ontario
Funding Source:  Federal and Provincial
Year of Collection:  1986

Survey Type:  Regional Lake Survey
# Lake sites:  1000
# Stream sites:  0
Survey Area:  14300 km²
NTS Sheet(s):  041J

The regional lake sediment and water survey for northern Ontario (NTS 41J) was conducted during the summer of 1986.

This report presents analytical and statistical data for 18 variables in lake sediments from 1,000 sample sites, collected at an average density of one sample per 14.3 km². This report includes values for uranium, fluoride, pH, alkalinity, calcium and magnesium in waters.

location map for Open File 1356
legend to accompany location map for Open File

Analytical Data

variablemethoddetection limityear of analysis
AntimonyHY-AAS0.2 ppm1986
ArsenicHY-AAS1 ppm1986
CadmiumAAS0.2 ppm1986
CobaltAAS2 ppm1986
CopperAAS2 ppm1986
FluorineISE40 ppm1986
GoldFA-NA1 ppb1986
IronAAS0.02 pct1986
LeadAAS2 ppm1986
Loss-on-ignitionGRAV1 pct1986
ManganeseAAS5 ppm1986
MercuryCV-AAS10 ppb1986
MolybdenumAAS2 ppm1986
NickelAAS2 ppm1986
Sample WeightGRAV0.01 gms1986
SilverAAS0.2 ppm1986
UraniumNADNC0.5 ppm1986
VanadiumAAS5 ppm1986
ZincAAS2 ppm1986
variablemethoddetection limityear of analysis
CalciumICP0.2 ppm1986
FluorineISE20 ppb1986
MagnesiumICP0.02 ppm1986
Total AlkalinityTIT2 ppm1986
UraniumLIF0.05 ppb1986
pHGCM 1986


The reconnaissance surveys were undertaken by the Geological Survey of Canada in conjunction with the Ontario Ministry of Northern Development under the Canada - Ontario Mineral Development Agreement (1986 - 1990).

E.H.W. Hornbrook directed the survey.

P.W.B. Friske coordinated the operational activities of contract and Geological Survey of Canada staff.

Contractor and supervisor details for sample collection
CategoryResponsible Party
Contractor:SIAL Compagnie Internationale de Geophysique Inc., Dorval, Quebec
Supervisor:E.H.W. Hornbrook, H.R. Schmitt (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:Barringer Magenta Ltd., Rexdale, Ontario Barringer Magenta Laboratories (Alberta), Ltd., Calgary, Alberta Chemex Labs, Ltd. North Vancouver, British Columbia
Supervisor:J.J. Lynch (GSC)

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