Iron-rich reevesite from the Ni-Fe ores of Mt. Radočelo, Serbia, a possible new member of the hydrotalcite subgroup

Zoran Maksimović, György Pantó, G. Nagy

Research output: Contribution to journalArticle

Abstract

The Ni-Fe ores represent the reworked part of the Paleozoic weathering crust on ultramafics. Talcose serpentinite, with a small accumulation of Ni-talc, represents the lowermost part of the destroyed weathering crust. XRD and EPMA study of the ore revealed its complex composition: magnetite is most abundant, with cores of detrital chromite; Ni-chlorite is also abundant; talc, geothite, hematite, maghemite, magnesite and Fe-rich reevesite occur in variable amounts. XRD of the ore revealed weak reflections of reevesite, with the strongest at 7.60 Å. Nine electron probe analyses of this mineral were performed. The richest in nickel gives the following recalculated formula: (Fe2+4.03 Ni1.97)6.00 (Fe3+11.96 Al0.03 Cr0.01)2.00 CO3 (OH)16. 4H2O. According to this composition, the mineral is the Fe-analog of reevesite and a new member of the Hydrotalcite Group.

Original languageEnglish
Pages (from-to)373-383
Number of pages11
JournalActa Geologica Hungarica
Volume45
Issue number4
DOIs
Publication statusPublished - 2002

Fingerprint

hydrotalcite
talc
iron
weathering
X-ray diffraction
crust
maghemite
magnesite
serpentinite
chromite
mineral
hematite
chlorite
magnetite
nickel
Paleozoic
probe
electron
ore

Keywords

  • Fe-rich reevesite
  • Hydrotalcite Group
  • Paleozoic weathering crust
  • Reworked Ni-Fe ore
  • XRD and EPMA study

ASJC Scopus subject areas

  • Geology

Cite this

Iron-rich reevesite from the Ni-Fe ores of Mt. Radočelo, Serbia, a possible new member of the hydrotalcite subgroup. / Maksimović, Zoran; Pantó, György; Nagy, G.

In: Acta Geologica Hungarica, Vol. 45, No. 4, 2002, p. 373-383.

Research output: Contribution to journalArticle

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