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NORDSIM

The Nordsim-laboratory is located in the Department of Geosciences at the Swedish Museum of Natural History in Stockholm. Formerly a joint Nordic facility, since 2018 Nordsim is part of the Swedish Research Council funded Nordsim-Vegacenter microanalytical and microimaging infrastructure.

The Nordsim laboratory is based around a CAMECA ims1280 ion microprobe, an advanced high-sensitivity mass spectrometer which uses a focused beam of ions to sample in situ selected micrometer sized areas of a sample for measurement of isotopic and elemental composition of both positive and negative ions. The instrument is used for a broad range of topics, including geochronology and cosmochemistry, geobiology, ecology and nuclear safeguards.

Analysis

Spot or rastered ion image analyses are possible. Currently available methods include:

  • Highest spatial/volume resolution U-Th-Pb geochronology of zircon, monazite, titanite*
  • Pb isotope ratio determination in silicates*
  • Trace element determination in silicates, phosphates and carbonates*
  • Boron isotopes analysis of silicate glasses, tourmaline*
  • Oxygen and silicon isotope analysis in zircon, quartz and other silicates
  • Oxygen and carbon isotope analysis in carbonates
  • Halogen concentration and stable Cl isotope measurements in phosphates/glasses
  • Quadruple sulphur isotope analysis

Other analytical methods may exist or can be developed collaboratively
(*In late 2018, the instrument will be upgraded with a new, high-brightness oxygen ion source, facilitating much higher spatial resolution for these applications).

Application

2019 proposal callPDF

Application formWord

Contact

Head of the Nordsim laboratory
Martin Whitehouse
Phone +46-8-5195 5169
E-mail: martin.whitehouse@nrm.se

Publications

Publication listPDF