FLY'S WING IN GYPSUM.
EATHER INTERESTING. At the Mining and Geological Museum in Sydney there is now a specimen oi exceptional interest. It consists of a tabular mass of crystallised gypsum, as c.ear as glass, in which is embedded the wing of a dragon fly. This was fouud at a depth of some 200 feet in an Australian copper mine. The wing is 111 pnrfecc preservation, and is undergoing examination. The authorities say that, possibly, 110 similar case lias been recorded before, tho well-known occurrence of insect remains in amber from the .Baltic Iwing hardly analogous, seeing that amber is exudation from certain trees, and it is natural enough for insects to bo embedded in it. Gypsum, on tho other hand, is formed by crystallisation from solution in water. Thero would seem to bo a channel of communication with the surface down which the wing was in somo way conveyed, and tho formation of the gypsum must have been rapid enough to preserve it before decomposition set m. Other specimens of this character have been found at tho same place.
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Dominion, Volume 5, Issue 1247, 2 October 1911, Page 4
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180FLY'S WING IN GYPSUM. Dominion, Volume 5, Issue 1247, 2 October 1911, Page 4
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