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NWA 1068 (SNC - Shergottite) - Unusual Inclusion

NWA 1068 was found in the Sahara Desert during April 2001 and was classified as one of the rare SNC Martian meteorites. Specifically, it is a Basaltic Shergottite with a Total Known Weight of 576.77g. However, since this initial find, many other paired fragments have been found and classified under different NWA numbers. The partslice below (27mm x 18mm x 2mm) is from the first 522g mass which was also dubbed 'Louise Michel'. The NWA 1068 specimens are generally a greenish-brown colour, partially coated by desert varnish and some cracks are filled with terrestrial calcium-carbonate. Thin shock veins and small melt pockets are also abundant throughout this meteorite. Some of these features can be seen in the photographs below. There is also an interesting and unusual inclusion in this partslice. Within what appears to be a small dark melt pocket on the left are smaller spherules of different material which are approximately 0.5mm 0.15mm. They seem to be quite out of place in comparison to the rest of the meteorite. The top spherule appears to be a fragment from a larger one (bottom?) while the centre one is more complete with the bottom one being around 3/4 complete. This is Meteorites Australia specimen number MA.CS.06.0003.

NWA 1068 (SNC - Shergottite) - 3.2g Partslice
NWA 1068 (SNC - Shergottite) - 3.2g Partslice.

NWA 1068 (SNC - Shergottite) - 3.2g Partslice
NWA 1068 (SNC - Shergottite) - 3.2g Partslice.

NWA 1068 (SNC - Shergottite) - 3.2g Partslice
NWA 1068 (SNC - Shergottite) - 3.2g Partslice.


 

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