AustralieFrV1, Main, Exploration, bibRecord, 00DC36

Multichannel micro-Raman spectroscopy of fluid inclusion gases in mineral exploration

Identifieur interne : 00DC36 ( Main/Exploration ); précédent : 00DC35; suivant : 00DC37

Multichannel micro-Raman spectroscopy of fluid inclusion gases in mineral exploration

Auteurs : Ronald W. T. Wilkins [Australie] ; Liliane Jenatton [France]

Source :

Journal of Geochemical Exploration [ 0375-6742 ] ; 1991.

RBID : ISTEX:D7774ACC8C01EA74C62DC7692404D82E3D5277FF

English descriptors

KwdEn :
- Aberfoyle, Aberfoyle mine, Aberfoyle type, Aberfoyle vein type, Aberfoyle veins, Analytical data, Areal distribution, Bulk analyses, Characteristic fluid, Clear recrystallized grains, Complex veining, Creek area, Deformed, Different generations, Dilor microdil, Exploration mapping program, Fluid inclusion, Fluid inclusion assemblages, Fluid inclusion gases, Fluid inclusion studies, Fluid inclusions, Geochemical, Geol, Grain boundaries, Inclusion, Inclusion gases, Individual fluid inclusions, Jenatton, Laser, Laser raman microprobe, Metamorphic, Metamorphic veins, Microprobe, Mineral exploration, Mole, Multichannel, Multichannel detection, Multichannel spectroscopy, Optimum sample size, Overprinting, Porphyry copper deposits, Present study, Quartz, Quartz veins, Raman, Raman microprobe, Raman spectroscopy, Recrystallized, Relic grain, Rossarden area, Spectroscopy, Storey, Storeys creek, Storeys creek inclusions, Storeys creek mine, Storeys creek veins, Study area, Surface veins, Thin sections, Vein samples, Wilkins.
Teeft :
- Aberfoyle, Aberfoyle mine, Aberfoyle type, Aberfoyle vein type, Aberfoyle veins, Analytical data, Areal distribution, Bulk analyses, Characteristic fluid, Clear recrystallized grains, Complex veining, Creek area, Deformed, Different generations, Dilor microdil, Exploration mapping program, Fluid inclusion, Fluid inclusion assemblages, Fluid inclusion gases, Fluid inclusion studies, Fluid inclusions, Geochemical, Geol, Grain boundaries, Inclusion, Inclusion gases, Individual fluid inclusions, Jenatton, Laser, Laser raman microprobe, Metamorphic, Metamorphic veins, Microprobe, Mineral exploration, Mole, Multichannel, Multichannel detection, Multichannel spectroscopy, Optimum sample size, Overprinting, Porphyry copper deposits, Present study, Quartz, Quartz veins, Raman, Raman microprobe, Raman spectroscopy, Recrystallized, Relic grain, Rossarden area, Spectroscopy, Storey, Storeys creek, Storeys creek inclusions, Storeys creek mine, Storeys creek veins, Study area, Surface veins, Thin sections, Vein samples, Wilkins.

Abstract

Abstract: As part of an exploration mapping program, an attempt may be made to estimate the extent of a mineralized zone at depth from the distribution of surface ore veins. But in an area of complex veining it is sometimes difficult to distinguish quartz veins related to ore and quartz veins with no ore association. The composition of gases in fluid inclusions, determined by laser Raman microprobe, provides a method for distinguishing veins of different generations. Multichannel detection enables relatively inexpensive and rapid data collection and is well adapted to use in an exploration mapping program.In the Rossarden-Storeys Creek area of northeastern Tasmania, three generations of veins can be distinguished and mapped on the basis on their fluid inclusion gas compositions. Fluid inclusion gases in veins of the Aberfoyle type are CO2-rich with <5 mole% of both CH4 and N2. Inclusion gases in veins of the Storeys Creek type are also CO2-rich but contain 5–10 mole % CH4 and <5 mole% N2. The early metamorphic veins contain inclusion gases of widely variable composition that are usually rich in CH4 and N2. Fluid inclusion assemblages of the early veins are overprinted in varying degree by a later generation of inclusions complicating analysis of results. The high spatial resolution of the Raman microprobe technique enables such problems to be readily identified and resolved.

Url:

https://api.istex.fr/document/D7774ACC8C01EA74C62DC7692404D82E3D5277FF/fulltext/pdf

DOI: 10.1016/0375-6742(91)90065-3

Affiliations:

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Le document en format XML

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<term>Aberfoyle type</term>
<term>Aberfoyle vein type</term>
<term>Aberfoyle veins</term>
<term>Analytical data</term>
<term>Areal distribution</term>
<term>Bulk analyses</term>
<term>Characteristic fluid</term>
<term>Clear recrystallized grains</term>
<term>Complex veining</term>
<term>Creek area</term>
<term>Deformed</term>
<term>Different generations</term>
<term>Dilor microdil</term>
<term>Exploration mapping program</term>
<term>Fluid inclusion</term>
<term>Fluid inclusion assemblages</term>
<term>Fluid inclusion gases</term>
<term>Fluid inclusion studies</term>
<term>Fluid inclusions</term>
<term>Geochemical</term>
<term>Geol</term>
<term>Grain boundaries</term>
<term>Inclusion</term>
<term>Inclusion gases</term>
<term>Individual fluid inclusions</term>
<term>Jenatton</term>
<term>Laser</term>
<term>Laser raman microprobe</term>
<term>Metamorphic</term>
<term>Metamorphic veins</term>
<term>Microprobe</term>
<term>Mineral exploration</term>
<term>Mole</term>
<term>Multichannel</term>
<term>Multichannel detection</term>
<term>Multichannel spectroscopy</term>
<term>Optimum sample size</term>
<term>Overprinting</term>
<term>Porphyry copper deposits</term>
<term>Present study</term>
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<term>Quartz veins</term>
<term>Raman</term>
<term>Raman microprobe</term>
<term>Raman spectroscopy</term>
<term>Recrystallized</term>
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<term>Spectroscopy</term>
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<term>Bulk analyses</term>
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<term>Fluid inclusion assemblages</term>
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<term>Laser raman microprobe</term>
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<term>Spectroscopy</term>
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<front><div type="abstract" xml:lang="en">Abstract: As part of an exploration mapping program, an attempt may be made to estimate the extent of a mineralized zone at depth from the distribution of surface ore veins. But in an area of complex veining it is sometimes difficult to distinguish quartz veins related to ore and quartz veins with no ore association. The composition of gases in fluid inclusions, determined by laser Raman microprobe, provides a method for distinguishing veins of different generations. Multichannel detection enables relatively inexpensive and rapid data collection and is well adapted to use in an exploration mapping program.In the Rossarden-Storeys Creek area of northeastern Tasmania, three generations of veins can be distinguished and mapped on the basis on their fluid inclusion gas compositions. Fluid inclusion gases in veins of the Aberfoyle type are CO2-rich with <5 mole% of both CH4 and N2. Inclusion gases in veins of the Storeys Creek type are also CO2-rich but contain 5–10 mole % CH4 and <5 mole% N2. The early metamorphic veins contain inclusion gases of widely variable composition that are usually rich in CH4 and N2. Fluid inclusion assemblages of the early veins are overprinted in varying degree by a later generation of inclusions complicating analysis of results. The high spatial resolution of the Raman microprobe technique enables such problems to be readily identified and resolved.</div>
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Multichannel micro-Raman spectroscopy of fluid inclusion gases in mineral exploration

Multichannel micro-Raman spectroscopy of fluid inclusion gases in mineral exploration

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri