Specimen Notes

The following two slides provide a quick overview of all the specimens in the Open University Outreach collection:
INFORMATION1

INFORMATION2

 

Additional information about some of the specimens in the outreach collection is given below:

Stones:

  • Barwell – L5 ordinary chondrite
  • Bassikounou – H5 ordinary chondrite
  • Sayh al Uhaymir 001 – L5 ordinary chondrite: Very weathered – a good demonstration of the effects of terrestrial weathering on meteorites.
  • Camel Donga
  • Nakhla – A Martian meteorite, observed to fall in Egypt in 1911.  It was the namesake of the Nakhlite group of martian meteorites, and also the source of the spurious “Nakhla dog” incident! The outreach collection contains one 20×20 mm hand specimen, exhibiting both vitreous black fusion crust and several fresh surfaces:
Nakhla - the meteorite exhibits a distinct black fusion crust

Nakhla – the meteorite exhibits a distinct black fusion crust

Nakhla - exposed surface (fusion crust-free)

Nakhla – exposed surface (fusion crust-free)

Iron meteorites:

  • Gibeon (An iron meteorite found in Namibia in 1836)Outreach samples available include:
    • One large (160×160 mm) hand specimen:Gibeon2_edit
    • One slice (100×90 mm) exhibiting characteristic Widmanstatten pattern

gibeon_slice_edit

Stony-Irons:

  • Krasnojarsk: Collected in Russia in 1749, this was the first pallasite ever found. Our 16×12 cm slice exhibits Widmanstatten pattern and contains typically large, centimetre-sized olivine crystals:

krasnojarsk_1_edit
krasnojarsk_2_edit

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