Analytical Sample Bundle Metadata
Type: lab data
Download analytical data for this bundle in one of three formats, depending on the desired convention for treating values below the lower detection limit:
NGR lake sediment analysis, Nunavut 1978, parts of NTS 37A, INAA (Au + Wt), repeat analysis and test of reproducibility, Becquerel Laboratories, Streetsville.
These analytical data are published in GSC OF 3716.
Sample Classification (Analytical)
Analytical Package Description
Name: Becquerel (NGR) INAA Au reproducibility test (more)
To provide additional information on gold data, samples with INAA gold concentrations greater than or equal to 8 ppb were rerun by splitting the irradiated material into two portions, each of which was re-irradiated and counted. Two additional analyses returning similar values suggest a finely divided and/or organically bound source for the gold. Two splits with distinctly different values probably contain larger gold grains unequally distributed throughout the original sample (the “nugget” effect).
[description taken from GSC OF 3716]
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