Pb-isotope compositions of the Tasik Chini volcanic-hosted massive sulfide deposit, Central Belt of Peninsular Malaysia: Implication for source region and tectonic setting

Mohd Basril Iswadi Basori, Khin Zaw, Sebastien Meffre, Ross Raymond Large, Wan Fuad Wan Hassan

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Lead isotope data of sulfides and host volcanic rocks from the Bukit Botol and Bukit Ketaya deposits, the two representative deposits of the Tasik Chini volcanic-hosted massive sulfide (VHMS) deposit, Central Belt of Peninsular Malaysia, are reported. Lead isotope compositions of the associated sulfide minerals and volcanic rocks from the Bukit Botol deposit exhibit homogeneous and less radiogenic values (206Pb/204Pb showing a range of composition from 18.14 to 18.20, 207Pb/204Pb between 15.52 and 15.59 and 208Pb/204Pb from 37.96 to 38.35). Similarly, the Pb isotopic compositions of the host volcanic rocks from the Bukit Ketaya deposit yielded a narrow range to those of the sulfide samples (206Pb/204Pb from 18.04 to 18.20, 207Pb/204Pb between 15.43 and 15.57 and 208Pb/204Pb of 37.96 to 38.30). The uniform Pb-isotope compositions of the sulfides in the ore horizon and the host volcanic rocks from both deposits suggest a derivation from a similar source reservoir and mineralization processes. In the framework of the tectonic model for the Central Belt of Peninsular Malaysia, both deposits display a range of lead isotopic compositions originated from mixing of bulk crust/juvenile arc and minor mantle sources, which are typical for VHMS deposits in an island arc–back arc setting.

Original languageEnglish
Article numbere12177
JournalIsland Arc
Volume26
Issue number2
DOIs
Publication statusPublished - 1 Mar 2017

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massive sulfide
tectonic setting
volcanic rock
sulfide
isotope
host rock
lead isotope
isotopic composition
mantle source
mineralization
crust
tectonics
mineral

Keywords

  • Pb-isotope
  • Peninsular Malaysia
  • Tasik Chini
  • tectonic setting
  • volcanic-hosted massive sulfide (VHMS)

ASJC Scopus subject areas

  • Geology

Cite this

Pb-isotope compositions of the Tasik Chini volcanic-hosted massive sulfide deposit, Central Belt of Peninsular Malaysia : Implication for source region and tectonic setting. / Basori, Mohd Basril Iswadi; Zaw, Khin; Meffre, Sebastien; Large, Ross Raymond; Wan Hassan, Wan Fuad.

In: Island Arc, Vol. 26, No. 2, e12177, 01.03.2017.

Research output: Contribution to journalArticle

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