New occurrence and characterization of Ni-serpentines in the Kwangcheon area, Korea

Y. Song, H. S. Moon, H. T. Chon

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Pecoraite and nepouite, Ni-serpentines, occur in the serpentinized ultramafic rocks in the Kwangcheon area, Korea, where the parent rock is classified as harzburgite and/or lherzolite. Pecoraite was precipitated twice from the solution; the early-formed pecoraite coexists with magnetite, millerite, and polydymite while the late-formed pecoraite appears as well-grown colloform and opaque-free phase. The colloform texture of the late-formed pecoraite indicates that it was precipitated from the solution in supergene conditions. Pecoraite is characterized by its extremely high Ni content and the difference in Fe content between the early- and late-formed pecoraite. Nepouite is distinguished from pecoraite by its prismatic morphology and the large degree of isomorphous substitution between Ni and Mg. -from Authors

Original languageEnglish
Pages (from-to)211-224
Number of pages14
JournalClay Minerals
Issue number3
Publication statusPublished - 1995

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology


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