2007
DOI: 10.1016/j.orggeochem.2007.06.017
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Geochemistry of shallow tropical marine sediments from the Arafura Sea, Australia

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Cited by 12 publications
(10 citation statements)
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“…Head-space gas analysis of samples from gravity cores in the Arafura Sea showed that some locations had very high levels of methane (between 42,000 and 71,000 ppm in three cores) and/or carbon dioxide (between 24,000 and 63,000 ppm in three cores); the first high gas concentrations reported from head-space data in Australia Grosjean et al, 2007). The gas data are interpreted to represent microbial gases generated from the decay of organic matter, based on isotopic and compositional data, that are not directly related to thermogenic hydrocarbon seepage Grosjean et al, 2007).…”
Section: Seafloor Geochemical Studies Of Shallow Gasesmentioning
confidence: 93%
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“…Head-space gas analysis of samples from gravity cores in the Arafura Sea showed that some locations had very high levels of methane (between 42,000 and 71,000 ppm in three cores) and/or carbon dioxide (between 24,000 and 63,000 ppm in three cores); the first high gas concentrations reported from head-space data in Australia Grosjean et al, 2007). The gas data are interpreted to represent microbial gases generated from the decay of organic matter, based on isotopic and compositional data, that are not directly related to thermogenic hydrocarbon seepage Grosjean et al, 2007).…”
Section: Seafloor Geochemical Studies Of Shallow Gasesmentioning
confidence: 93%
“…Initial studies that incorporated analyses of seafloor sediments into geological assessments of potential seepage sites focused on south-eastern Australia (Hinz et al, 1986;Heggie et al, 1988;O'Brien and Heggie, 1989), with subsequent research in the Timor Sea (Logan et al, 2008), the Arafura Sea Grosjean et al, 2007) and on the central North West Shelf (Jones et al, 2007). Hinz et al (1986) interpreted abundant wet gas of thermogenic origin in surface sediments across the west Tasmanian margin based on acid extraction analyses of 37 samples from 19 seabed cores (Horvitz, 1985;Whiticar, 2002).…”
Section: Seafloor Geochemical Studies Of Shallow Gasesmentioning
confidence: 99%
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“…The upper 6 m of the cores was sampled more intensively in the hope to identify the sulphateemethane interface (SMI) where anaerobic oxidation of methane may occur. The base of each piston core was sampled for head space gas analysis in 500 ml metal tins according to the sampling procedure described in Grosjean et al (2007). Sulphate and chloride concentrations in pore waters were analysed by ion chromatography and major elements (Ca, K, Mg, Na, S, Si) were analysed by Inductive Coupled Plasma using standard methods (Eaton et al, 1995).…”
Section: Sediment and Rock Samplesmentioning
confidence: 99%
“…Các nghiên cứu về bãi bồi Cà Mau chủ yếu tập trung vào phân tích địa lý của vùng đất mũi và các phương pháp bắt giữ phù sa chứ chưa có các nghiên cứu về quá trình sinh địa và hóa diễn thế RNM tại đây. Các luận chứng về quá trình sinh địa hóa và diễn thế sinh thái RNM tại mũi Cà Mau là cở sở cho việc bảo tồn, phát triền, duy trì bền vững hệ sinh thái RNM cũng như là luận cứ khoa học cho việc các cách can thiệp mở rộng bãi bồi Đất Mũi [2,5,6,9]. …”
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