Nanoparticale of ore minerals in disseminated multi-metal mineralization of Ducat ore district (North-East Russia)

Nanoparticles (size below 100 nm) of different minerals are found in disseminated mineralization of Ducat ore district (unique Au-Ag deposit) in associations with the combined-stratified minerals. The nanoparticles were identified as by chemical composition (scanning electron microscope JSM-5300, resolution 4 nm, fitted with energy-dispersion spectrometer Link ISIS), as well by the character of corresponding electron X-ray micro-diffraction patterns (electron microscope JEM-100C fitted with X-ray energy-dispersion spectrometer Kevex-5100). Formation of a large number of nanoparticles at the mineral crystallization centers is attributed to spontaneous fluid super-saturation caused by sharp pressure and temperature decrease at the near-surface layers of the deposit.

Authors
Filimonova L.G. 1 , Trubkin N.V. , Bortnikov N.S.
Editors
-
Publisher
-
Number of issue
4
Language
Russian
Pages
521-525
Status
Published
Department
-
DOI
-
Number
-
Volume
392
Year
2003
Organizations
  • 1 Inst. Geol. Rudn. Mestor. Petr., RAN, Moscow, Russian Federation
Keywords
Chemical analysis; Electron microscopes; Gold deposits; Minerals; Nanostructured materials; Silver deposits; Ducat ore district; Microaggregates; Mineralization; Ore nanoparticles; Geochemistry
Date of creation
19.10.2018
Date of change
19.10.2018
Short link
https://repository.rudn.ru/en/records/article/record/11/