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Petrography and Geochemistry of Leptites from the Skrzynka Dislocation Zone (Eastern Sudetes, SW Poland) - Preliminary Results

Wojciechowska I., Ziółkowska-Kozdrój M., Gunia P.

Bulletin of the Polish Academy of Sciences. Earth Sciences

2001

Vol. 49, nr 1

1-11

The first data on contents of trace and rare earth elements in leptitic rocks from the Złoty Stok-Skrzynka tectonic zone is given. They indicate that felsic volcaniclastic rocks such as tuffs or/and tuffites were the primary source materials for leptites. High contents of silica, potassium and sodium additionally confirm their derivation from rhyolitic protoliths possibly generated in a within plate palaeoenvironment.