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coloured clinopyroxen cristals, finegrained basaltic microlithic lava, opaque magnetite
Sample Number:
heubeck0086
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Prof. Walter Franke, Freie Universität Berlin
Date:
ca. 1980
Comments:
Further comments on the sand, depositional history, ecc.high textural maturity, but mineralogical immature; contains small amounts of magnetite
the cliffs and beaches of the Canary Islands are renowned for the presence of mafic minerals
