scholarly journals Genesis of the Weizigou Au Deposit, Heilongjiang Province, NE China: Constraints from LA-ICP-MS Trace Element Analysis of Magnetite, Pyrite and Pyrrhotite, Pyrite Re-Os Dating and S-Pb Isotopes

Minerals ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 1380
Author(s):  
Yu Gao ◽  
Yujie Hao ◽  
Siyu Lu
Keyword(s):  
Trace Element Analysis ◽  
Isotopic Analysis ◽  
Early Jurassic ◽  
Heilongjiang Province ◽  
Ne China ◽  
Element Analysis ◽  
Hydrothermal Origin ◽  
Icp Ms ◽  
Zn Content ◽  
Mineralization Age

The Weizigou Au deposit in Heilongjiang Province, NE China, located in the southern Jiamusi Massif, shows similarities to IOCG deposits. To determine the mineralization age, sources of ore-forming materials and genetic type, pyrite Re-Os dating, S-Pb isotopic analysis, in situ sulfur analysis and LA-ICP-MS analysis of trace elements in magnetite, pyrite and pyrrhotite were conducted. Four pyrite samples yielded a Re-Os isochron age of 197 ± 11 Ma, implying the occurrence a metallogenic event in the Early Jurassic. The δ34S values of sulfides display a relatively narrow range from 4.70‰ to 12.83‰ (mainly 9.90‰ to 12.83‰), which may be accounted for the extensively exposed granitic gneiss and meta-gabbro, with δ34S values of 7.44‰ to 8.44‰ and 4.37‰ to 10.54‰, respectively. Sulfide lead isotopic compositions have 206Pb/204Pb = 18.605–20.136, 207Pb/204Pb = 15.637–15.710 and 208Pb/204Pb = 38.534–39.129, indicating that the lead was derived from a mixed source. Magnetite has the characteristics of a lower Ti content and higher Zn content, indicating that it should be of hydrothermal origin, which may be related to IOCG-type mineralization. Pyrite and pyrrhotite have a Co/Ni ratio greater than 1 and a lower As content, indicating that they are of magmatic hydrothermal origin. Integrating the above analysis results, we inferred that the Weizigou Au deposit experienced the IOCG-type mineralization in the Middle-Late Permian, associated with magmatic-hydrothermal mineralization in the Early Jurassic.

TRACE ELEMENT ANALYSIS OF PYRITES IN GAS SHALES BY LASER ABLATION ICP-MS: IMPLICATIONS FOR MOBILITY

2017 ◽  
Author(s):  
Amy K. Plechacek ◽  
◽  
Madeline E. Schreiber ◽  
John A. Chermak ◽  
Tracy L. Bank
Keyword(s):  
Laser Ablation ◽  
Trace Element ◽  
Trace Element Analysis ◽  
Element Analysis ◽  
Icp Ms ◽  
Gas Shales

TRACE ELEMENT ANALYSIS OF MINERAL WATER SAMPLES BY PIXE AND ICP-MS

1998 ◽  
Vol 08 (01) ◽  
pp. 11-18 ◽  
Author(s):  
V. John Kennedy ◽  
A. Augusthy ◽  
K. M. Varier ◽  
P. Magudapathy ◽  
S. Panchapakesan ◽  
...  
Keyword(s):  
Mineral Water ◽  
Trace Element Analysis ◽  
World Health Organisation ◽  
World Health ◽  
Element Analysis ◽  
European Guidelines ◽  
Icp Ms ◽  
Preconcentration Techniques ◽  
Pelletron Accelerator ◽  
Bottled Mineral Water

Trace elements present in bottled mineral water have been studied by PIXE and ICP-MS. Samples from ten different brands of bottled mineral water were prepared by preconcentration techniques. Measurements were carried out using the 2 MeV proton beam obtained from 3 MV Tandem pelletron accelerator at the Institute of Physics, Bhubaneswar. Our results are compared with Indian standard packaged natural mineral water specifications, World Health Organisation (WHO) and European guidelines for drinking water standards. Concentration of aluminium was found to be more in one of the brands. In general, our results are comparable to the above standards.

Application of LA-ICP-MS trace-element analysis for precious metal deportment: a case study of the Kevitsa mine, Finland

2017 ◽  
Vol 29 (4) ◽  
pp. 635-644 ◽  
Author(s):  
Louis J Cabri ◽  
Michelle Kelvin ◽  
Zhaoping Yang ◽  
Simon E Jackson ◽  
Okan Altun
Keyword(s):  
Trace Element ◽  
Precious Metal ◽  
Trace Element Analysis ◽  
Element Analysis ◽  
Icp Ms

Trace Element Analysis of Rough Diamond by LA-ICP-MS: A Case of Source Discrimination?*,†

2010 ◽  
Vol 55 (6) ◽  
pp. 1443-1456 ◽  
Author(s):  
Claude Dalpé ◽  
Pierre Hudon ◽  
David J. Ballantyne ◽  
Darrell Williams ◽  
Denis Marcotte
Keyword(s):  
Trace Element ◽  
Trace Element Analysis ◽  
Element Analysis ◽  
Source Discrimination ◽  
Icp Ms

3D-printed total consumption microflow nebuliser development for trace element analysis in organic matrices via inductively coupled plasma mass spectrometry

2020 ◽  
Vol 35 (8) ◽  
pp. 1552-1557 ◽  
Author(s):  
Victor Garcia-Montoto ◽  
Sylvain Mallet ◽  
Carine Arnaudguilhem ◽  
Jan H. Christensen ◽  
Brice Bouyssiere
Keyword(s):  
Mass Spectrometry ◽  
Inductively Coupled Plasma ◽  
Trace Element Analysis ◽  
Element Analysis ◽  
Total Consumption ◽  
Inductively Coupled ◽  
Icp Ms ◽  
Organic Matrices ◽  
Plasma Mass Spectrometry ◽  
3D Printed

A new total consumption micronebuliser for ICP-MS was developed and optimised in this work.

scholarly journals Trace element analysis of gem garnet by LA-ICP-MS: Preliminary evaluation as micro-beam standard.

2007 ◽  
Vol 58 (3-4) ◽  
pp. 93-103 ◽  
Author(s):  
Mayuko Fukuyama ◽  
Masatsugu Ogasawara ◽  
Hinako Sato ◽  
Daizo Ishiyama
Keyword(s):  
Trace Element ◽  
Trace Element Analysis ◽  
Preliminary Evaluation ◽  
Element Analysis ◽  
Icp Ms

scholarly journals Application of benchtop micro-XRF to geological materials

2017 ◽  
Vol 81 (4) ◽  
pp. 923-948 ◽  
Author(s):  
Stephanie Flude ◽  
Michael Haschke ◽  
Michael Storey
Keyword(s):  
Quantitative Analysis ◽  
Trace Element Analysis ◽  
Isotopic Analysis ◽  
International Standards ◽  
Simple Type ◽  
Fundamental Parameter ◽  
Internal Reference ◽  
Element Analysis ◽  
X Ray ◽  
Geological Materials

AbstractRecent developments in X-ray optics have allowed the development of a range of commercially available benchtop micro-XRF (μ-XRF) instruments that can produce X-ray spot sizes of 20–30 μm on the sample, allowing major- and trace-element analysis on a range of sample types and sizes with minimal sample preparation. Such instruments offer quantitative analysis using fundamental parameter based 'standardless' quantification algorithms. The accuracy and precision of this quantitative analysis on geological materials, and application of micro-XRF to wider geological problems is assessed using a single benchtop micro-XRF instrument. Quantitative analysis of internal reference materials and international standards shows that such instruments can provide highly reproducible data but that, for many silicate materials, standardless quantification is not accurate.Accuracy can be improved, however, by using a simple type-calibration against a reference material of similar matrix and composition. Qualitative analysis with micro-XRF can simplify and streamline sample characterization and processing for subsequent geochemical and isotopic analysis.

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