Statistical approach by factor and cluster analysis on origin of elements from the Hamit Plutonic (Turkey) rock samples

Year 2019, Volume: 160 Issue: 160, 163 - 175, 27.12.2019

Fusun Yalcın Daniel G. Nyamsarı Nurdane Ilbeylı Rifat Battaloglu

https://doi.org/10.19111/bulletinofmre.502074

Cited By: 1

Abstract

The Hamit pluton
forms part of the Central Anatolian Crystalline Complex. It is located N-NE of
Kaman (Kirsehir). It covers an area of about 120 km2. The geochemical contents of
63 rock samples collected from this pluton were analyzed for their origin, homogeneity
and relationship with crustal rocks. Their element contents were determined by
using X-Ray Fluorescence spectroscopy. The samples were divided into 2 major
groups based on their similarities: Group 1 contained 63.5% of the samples and indicated
they were formed from melts whose contents might have evolved greatly due to crustal
assimilation; while the 36.5% of samples belonged to Group 2, and show minimal evolution
of the melt. According to the variation in K/Rb ratio versus SiO2 and the Rb/Zr
versus SiO2 the initial melt had experience great evolution due to crustal
assimilation. The initial melt is considered to have contained “most” of SiO2,
TiO2, Fe2O3, MnO, MgO, CaO, P2O5, Sr, Zn, Cu, Ni, Co, Cr, Ba, Nd, Sc and V that
formed the pluton, while “majority” of the Al2O3, Nb, Zr, U, Th, Pb, Ga, Rb, Ce
and La are considered to have been derived from crustal contamination, and “almost
all” of Na2O, K2O and Y are considered to have originated from crustal
assimilation. 

Keywords

Plutonic Rocks’ Data, Multivariate analysis, Cluster analysis, Factor analysis

Thanks

This study was supported by the Akdeniz University Research Fund.

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