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The MAGSAM 2000® comprises a strong, rare earth magnet housed in a stainless steel casing to provide a robust and convenient sampling method. The long shaft and retracting magnetic plunger result in a clean sample that does not contaminate the following sample. The magnetic lag fraction can be easily deposited into a conventional kraft soil sample packet or zip-top plastic bag. Magnetic lags represent a standard geochemical method, commonly used in stream sediment sampling programmes with potential applications to regional soil/MAGLAG sampling.

Major Advantages Include:

  • Compact size and increased field strength compared with conventional magnets.
  • Samples a common medium (maghemite and associated Fe hydroxides) across a changing regolith terrain.
  • Potentially increases anomaly size and decreases geochemical "noise" affording confidence in a much wider sample spacing, i.e 1 to 2 samples/km2.· Potential applications to partial digestion techniques analysing for Au plus a multi-element suite.
  • Small sample size required - 10 to 20 gm (even for low level Au analyses) helping to minimise freight costs and potential customs/quarantine problems for overseas jobs.
  • Can be used underwater in stream sediment sampling programmes.
  • Relatively low cost - AUS$308 (includes GST) within Australia and US$280 exported around the world (export price includes air freight costs).


See the MAGSAM 2000PGE PDF file and Geochemical Case Histories PDF file for case histories involving the MAGSAM sampler.


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MAGSAM 2000® - Rare Earth Magnetic Sampler used for geochemical MAGLAG and MAGSTREAM sampling. Dimensions - 20 cm long by 3 cm diameter barrel. Strength of internal rare earth magnet - 2000 gauss.

MAGSTREAM geochemical sampling for gold mineralisation on Nairai Island in tropical Fiji.

MAGLAG geochemical sampling for platinum group metals (PGM) in skeletal soils developed over a scree slope above the J-M Reef, Stillwater PGM deposit, Montana, USA.