arragonite


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arragonite

(ˈærəɡəˌnaɪt; əˈræɡəˌnaɪt)
n
a variant spelling of aragonite
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It is interesting to trace the changes produced by the heat of the overlying lava, on the friable mass, which in parts has been converted into a crystalline limestone, and in other parts into a compact spotted stone Where the lime has been caught up by the scoriaceous fragments of the lower surface of the stream, it is converted into groups of beautifully radiated fibres resembling arragonite. The beds of lava rise in successive gently-sloping plains, towards the interior, whence the deluges of melted stone have originally proceeded.
Recolectamos quitones en aguas someras de El Salvador en julio del 2002, agragando a la lista a Lepidochitona beanii (Carpenter, 1857); Ischnochiton dispar (Sowerby, 1832); Stenoplax limaciformis (Sowerby, 1832); Callistochiton expressus (Carpenter, 1865); Acanthochitona arragonites (Carpenter, 1867); Acanthochitona ferreirai (Lyons, 1988) y Acanthochitona hirudiniformis (Sowerby, 1832).
serrata y Acanthochitona arragonites. El analisis de las comunidades estudiadas usando tecnicas de ordenacion sugiere que podria relacionarse la exposicion al oleaje con la riqueza y la diversidad de especies.