Fluid inclusion volatile analysis by heated crushing, on-line gas chromatography; applications to Archean fluids
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Cited by (48)
Carbon and oxygen isotope analysis of CO<inf>2</inf> trapped in silicate minerals
2022, Chemical GeologyCitation Excerpt :In an on-line setup, the fluid released from the inclusion enters the analytical device directly, resulting in faster analysis and larger sample throughput (Dublyansky and Spötl, 2009). Off-line and on-line methods have been applied for determining the isotopic composition of CO2-rich fluids in hydrothermal quartz in FIs or MIs in magmatic systems (Scarsi, 2000; Gennaro et al., 2017; Grozeva et al., 2020) and for H2O in vein and speleothem calcite (e.g., Bray et al., 1991; Sharp et al., 2005; Vonhof et al., 2006; Arienzo et al., 2013). However, the amount of the sample required by most crushing techniques is relatively large (>100 mg; e.g., Plessen and Lüders, 2012; Lüders et al., 2015) potentially hampering studies that are limited by low CO2 concentrations (e.g., magmatic systems) or that demand spatial resolution (e.g., zoning in metamorphic and/or hydrothermal veins).
Application of bulk fluid volatile chemistry to exploration for metasedimentary rock-hosted orogenic gold deposits: An example from the Meguma terrane, Nova Scotia, Canada
2021, Journal of Geochemical ExplorationCitation Excerpt :Stainless steel, hydraulically driven rock crushers (Fig. 3), custom-made by the University of Toronto Machine Shop based on the designs of Bray and Spooner (1992) and Bray et al. (1991), were adapted from the designs of Andrawes et al. (1984). Detailed descriptions of the analytical system are presented elsewhere (Bray et al., 1991; Salvi and Williams-Jones, 1997a; Kerr, 2013; Kerr et al., 2015). Table EA4 (Electronic Appendix) provides the full list of hydrocarbon species that are detectable and quantifiable using this technique.
Using petroleum inclusions to trace petroleum systems – A review
2019, Organic GeochemistryGenesis of the South Zhuguang uranium ore field, South China: Fluid inclusion and H–C–O–S–Sr isotopic constraints
2019, Applied GeochemistryCitation Excerpt :The types of fluid inclusions in the quartz, calcite, and fluorite from the syn- and post-ore veins, as well as microthermometry data and laser Raman analyses, have already been described in detail (Zhang, 2008; Zhang et al., 2017), and thus are only briefly descried here. Bulk volatile and ionic compositions of fluid inclusions were analyzed by combined gas and ion chromatography (Bray et al., 1991; Channer et al., 1999) using PE.Clarus600 and DIONEX-500 gas and ion chromatography systems, respectively, at the Geological Analysis and Testing Center, Beijing Research Institute of Uranium Geology. Analyses were conducted on seven quartz, four calcite, and two fluorite samples from the 301 and 302 deposits (sample mass ∼2 g).
Gas migration from two mine districts: The Tolfa (Lazio, Central Italy) and the Neves-Corvo (Baixo Alentejo, Portugal) case studies
2015, Journal of Geochemical Exploration