Monthly Favourite Meteorite (NWA 2704)

Northwest Africa 2704 (NWA 2704)

Northwest Africa 2704 (NWA 2704) was discovered in the form of a single stone weighing 871g in the Sahara Desert in Northwest Africa during 2005. It was classified as an ordinary chondrite, L3.8 with a Shock Rating of S2 and a Weathering Level of W2. This primitive chondrite is full of closely-knit chondrules of varying size, shape and colour and also appears to contain a few different types of inclusions as visible in the photos below. Some parts of the chondrule field seem to have very little matrix with some of the chondrules actually having interlocking shapes. Thanks to John Kashuba for providing some beautifully detailed Thin Section images which are also presented below. This specimen is part of the Meteorites Australia Collection (MA.05.0106).

NWA 2704 (L3.8, S2, W2) - 20.9g Half Slice.
NWA 2704 (L3.8) - 20.9g Half Slice.
Enlargement ---> 900 x 695 (238KB)

NWA 2704 (L3.8, S2, W2) - 20.9g Half Slice.
NWA 2704 (L3.8) - 20.9g Half Slice.
Enlargement ---> 900 x 651 (231KB)

NWA 2704 (L3.8, S2, W2) - Thin Section Image.
NWA 2704 (L3.8) - Thin Section Image. (Š2007 John Kashuba)
Enlargement ---> 1200 x 900 (368KB)

NWA 2704 (L3.8, S2, W2) - Thin Section Image.
NWA 2704 (L3.8) - Thin Section Image. (Š2007 John Kashuba)
Enlargement ---> 1200 x 900 (342KB)

NWA 2704 (L3.8, S2, W2) - Thin Section Image.
NWA 2704 (L3.8) - Thin Section Image. (Š2007 John Kashuba)
Enlargement ---> 1200 x 900 (401KB)

NWA 2704 (L3.8, S2, W2) - Thin Section Image.
NWA 2704 (L3.8) - Thin Section Image. (Š2007 John Kashuba)
Enlargement ---> 1200 x 900 (402KB)

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