Geochemical element differentiation in serpentine soils from the ophiolite complexes, eastern Taiwan

Chang Ho Cheng, Shih Hao Jien, Heng Tsai, Ying Hsiu Chang, Yi Chun Chen, Zeng Yei Hseu

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The vertical distribution of 14 geochemical elements (Si, Al, Ti, K, Na, Ca, Mg, Fe, Mn, Cu, Cr, Ni, Pb, and Zn) in nine serpentine pedons for three ophiolite complexes was investigated. The pedons are located at Wu-Mau, Tong-An, and Shih-Tao mountains in the Coastal Range, eastern Taiwan. The objective of this study was to discriminate the parent material inheritance and pedogenic factors by comparison of the element concentrations based on principal component (PC) analysis. From the experimental results, the relative abundance of major elements was as follows: Si > Fe > Mg > Al, with lesser concentrations of Ti, K, Na, and Ca. In addition, Cr, Mn, and Ni contents in these soils were higher than in soils formed from other parent materials, with considerable variation between pedons on different landscapes, which reflected the ophiolite differences and degrees in chemical weathering of the associative serpentinitic rocks. The contents of pairs of Si-Fe, Si-Mn, Si-Pb, and Si-Zn showed significantly (P < 0.05) positive correlations. The close relations among contents of Fe, Mn, Cr, and Ni were observed herein. According to the eigenvalue in PC analysis, the elements most responsible for separation along the PC-1 axis were Si, Fe, Mn, Zn, Mg, and Ca, whereas Cr and Ni were the trace metals responsible for separation along the PC-2 axis. This result reflected the parent material differences in igneous rock composition and the degree of serpentinization between ophiolite complexes.

Original languageEnglish
Pages (from-to)283-291
Number of pages9
JournalSoil Science
Volume174
Issue number5
DOIs
Publication statusPublished - 2009 May 1

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serpentine soils
pedon
parent material
ophiolite
Taiwan
principal component analysis
igneous rocks
serpentinization
soil
chemical weathering
eigenvalue
weathering
igneous rock
trace metal
trace elements
vertical distribution
relative abundance
rocks
mountains
mountain

All Science Journal Classification (ASJC) codes

  • Soil Science

Cite this

Cheng, Chang Ho ; Jien, Shih Hao ; Tsai, Heng ; Chang, Ying Hsiu ; Chen, Yi Chun ; Hseu, Zeng Yei. / Geochemical element differentiation in serpentine soils from the ophiolite complexes, eastern Taiwan. In: Soil Science. 2009 ; Vol. 174, No. 5. pp. 283-291.
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Geochemical element differentiation in serpentine soils from the ophiolite complexes, eastern Taiwan. / Cheng, Chang Ho; Jien, Shih Hao; Tsai, Heng; Chang, Ying Hsiu; Chen, Yi Chun; Hseu, Zeng Yei.

In: Soil Science, Vol. 174, No. 5, 01.05.2009, p. 283-291.

Research output: Contribution to journalArticle

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