Abstract
METALLOGRAPHIC examination of small specimens taken from the Bear Creek (Nin. 352.1γ) and Narraburra (B.M. 1927, 1264) iron meteorites reveals a remarkable similarity of microstructural detail. This similarity of structure is matched by the analytical results of Brown et al.1, who place both bodies in the same gallium–germanium group and report the following detailed analyses for Bear Creek and Narraburra respectively: nickel, 10.14 and 10.22; cobalt, 0.51 and 0.59; chromium, 1.2 and <1; copper, 154 and 157; gallium, 15 and 8.2; germanium, 25 and 29. The values for nickel and cobalt are percentages, the other values are p.p.m.
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References
Lovering, J. F., Nichiporuk, W., Chodos, A., and Brown, H., Geochim. Cosmochim. Acta, 11, 263 (1957).
Perry, S. H., U.S. Nat. Mus. Bull., 184 (1944).
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AXON, H. Microstructural and Chemical Identity of the Bear Creek and Narraburra Iron Meteorites. Nature 191, 1287 (1961). https://doi.org/10.1038/1911287a0
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DOI: https://doi.org/10.1038/1911287a0
