Phase State Analysis Method and Application of Molybdenum in Soil Samples of Special Landscape Exploration in Heilongjiang Province

Jiang-hong GE; Ying-kai WANG; Xu ZHANG; Yan-mei GE

doi:10.15898/j.cnki.11-2131/td.201611100206

2019 Vol. 38, No. 2

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Jiang-hong GE, Ying-kai WANG, Xu ZHANG, Yan-mei GE. Phase State Analysis Method and Application of Molybdenum in Soil Samples of Special Landscape Exploration in Heilongjiang Province[J]. Rock and Mineral Analysis, 2019, 38(2): 222-227. doi: 10.15898/j.cnki.11-2131/td.201611100206

Citation:

Jiang-hong GE, Ying-kai WANG, Xu ZHANG, Yan-mei GE. Phase State Analysis Method and Application of Molybdenum in Soil Samples of Special Landscape Exploration in Heilongjiang Province[J]. Rock and Mineral Analysis, 2019, 38(2): 222-227. doi: 10.15898/j.cnki.11-2131/td.201611100206

Phase State Analysis Method and Application of Molybdenum in Soil Samples of Special Landscape Exploration in Heilongjiang Province

Institute of Geological and Mineral Testing in Heilongjiang Province, Haerbin 150036, China

Received Date: 11 November 2016

Revised Date: 27 July 2018

Accepted Date: 10 December 2018

Abstract

Abstract

BACKGROUNDOver the years, the total anomaly analysis results of geochemical exploration have found that there are not many deposits. Under the conditions of epigenetic conditions, different elements have different migration and deposition laws and primitive occurrence states. The geochemical analysis gives the full analysis of the elements cannot accurately reflect the mineralization anomalies situation. Therefore, the existence form and existence state of the elements are crucial for judging whether it is a metallogenic anomaly. OBJECTIVESThis paper establishes the phase analysis method of molybdenum in geochemical soil samples from the characteristics of Heilongjiang geological landscape. METHODSThe phase states of molybdenum are divided into five phases:water extraction phase, weak organic binding phase, oxide binding phase, Fe-binding phase, and residue phase. The detection limits of molybdenum phases determined by ICP-MS are:water extraction phase 0.0011μg/g, weak organic binding phase 0.020μg/g, oxide binding phase 0.100μg/g, Fe-binding phase 0.100μg/g, the residue phase is 0.100μg/g. RESULTSThe method was used to analyze the samples with molybdenum anomaly in a certain part of Heilongjiang Province. The results showed that molybdenum was mainly composed of Fe-binding phase, which belonged to the vein type and conformed to one of the types of molybdenum deposits. CONCLUSIONSThe method improves the accuracy of prospecting using geochemical anomalies.
- chemical exploration of the soil /
- molybdenum /
- phase analysis /
- Inductively Coupled Plasma-Mass Spectrometry /
- mineralization anomalies

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References

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