PRAKTYCZNE ASPEKTY WYKORZYSTANIA WYBRANYCH METOD USTALANIA SKŁADU MINERALNEGO W KSENOLITACH PERYDOTYTOWYCH

Monika Nowak, Andrzej Muszyński, Marek Ewertowski

Abstract


PRACTICAL ASPECTS OF USE OF SELECTED METHODS IN DETERMINING MODAL MINERAL COMPOSITIONS IN PERIDOTITE XENOLITHS

Abstract. In scientific literature, there are several methods, estimating modal mineral composition in peridotite xenoliths. The main techniques are focused on: 1) traditional microscopic analyses (point counting), 2) statistical recalculations of bulk-rock, and mineral chemical compositions, 3) digital image processing. The above techniques differ from each other in sample preparation, amount of material required for analysis, data acquisition time etc. Based on comparative studies, the most effective method for determination of mineral composition in peridotite xenoliths has been chosen.


Keywords


ksenolity płaszcza, metoda punktowa, metoda najmniejszych kwadratów, metody cyfrowego przetwarzania obrazów.

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