Palaeomagnetism Laboratory Facilities

  • 2-G Enterprises DC Squid Cryogenic Magnetometer, with an in-line AF demagnetiser
  • AGICO JR5a Spinner magnetometer.
  • Molspin Spinner magnetometer.
  • Tumbling Alternating Field (AF) demagnetizer for AF demagnetisation to 100mT.
  • 3 Thermal demagnetizers (2 MMTD, one in-house design).  One of the MMTD furnaces has a DC field coil for Thellier-Thellier experiments and palaeointensity determinations, and one with particularly accurate temperature control and extremely low magnetic field.
  • KLY2 Kappabridge for measurements of magnetic susceptibility and the anisotropy of magnetic susceptibility, with an attached CS3 furnace for both high (700°C) and low (-192°C) temperature measurements.
  • Minispin Anisotropy delineator.
  • Bartington MS2 Magnetic Susceptibility system with MS2B dual-frequency sensor and MS2F and field probe.
  • Pulse magnetizer (max. field apx. 800mT).
  • Variable Frequency Translation Balance for measurement of hysteresis parameters, thermomagnetic curves at temperatures up to 700°C in air or argon, facilities for AF demagnetization to 150mT and separate biasing coils for imparting of ARM.

The 2G Cryogenic magnetometer and the 2 MMTD furnaces are housed in a "field-free" double-layer transformer steel room, with an internal field of less than 200nT.



 2G

 VFTB

 kappabridge