Bulk chemical composition of the sediments from Tell Ghanem al-Ali and surrounding river-terraces in northern Syria

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  • シリア北部ガーネム・アル─アリ遺跡堆積物と周辺の段丘堆積物の総化学組成
  • シリア北部ガーネム・アル-アリ遺跡堆積物と周辺の段丘堆積物の総化学組成
  • シリア ホクブ ガーネム アル アリ イセキ タイセキブツ ト シュウヘン ノ ダンキュウ タイセキブツ ノ ソウ カガク ソセイ

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Abstract

X-ray fluorescence analyses were performed on seventeen samples of sand and silt collected from Tell Ghanem al-Ali and surrounding river-terraces in northern Syria. (1) Total amounts of their chemical composition are generally low, which deficiency is partly due to much amount of gypsum and carbonate minerals in the sediments. Petro gra phical investigation also confirmed that analysed sediments generally contain much gypsum as clastic grains and secondary formed fine particles, on which the basement geology of predominant gypsum strata is reflected. (2) Tell sediments are mostly uniform in chemical composition and relatively rich in K2O content than the other sediments. (3) A sediment from the lowest terrace is petrographically rich in mica content and this is also confirmed by slightly higher Al2O3 content. This sediment may be aeolian in origin.

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