State of Alaska Alaska | Natural Resources DNR | Geological & Geophysical Surveys DGGS | Geochemistry Geochem

Sample Detail

Sample Number 5E 201

Sample Documentation

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Reference Number DGGS GR 18
Citation GR 18
Laboratory Unknown
Description The sufrace layer of the location of the stream sediment sample was collected and panned in the field to produce a heavy mineral concentrat. The concentrates where further purified using bromoform. The sample was analized for Cr using semi-quantutative X-Ray Flourescence.
Sample Type pan concentrate

Reference Number CH07_trace
Reference Date 1965-09-01
Citation CH 7
Laboratory Rocky Mountain Geochemical Laboratories
Description 206 samples were dried and sieved to -80 mesh. 206 samples were tested for cold extractable metals in the field following methods by H.E. Hawke (1963). See publication for amount of ml of dye used in the field analysis. 206 samples were prepped and sent to Rocky Mountain Geochemical Laboratory. There is no information on the methods used by the laboratory to analyze the samples for copper, lead, zinc, molybdenum and nickel.
Sample Type pan concentrate