著者
Taro KIDO Masanori KUROSAWA Kei IKEHATA
出版者
Japan Association of Mineralogical Sciences
雑誌
Journal of Mineralogical and Petrological Sciences (ISSN:13456296)
巻号頁・発行日
pp.220910, (Released:2023-02-10)

Hydrocarbon fluid inclusions in authigenic quartz from the Jurassic Torinosu Limestone and associated sediment at Sakawa town, Japan, were studied by microthermometry, ultraviolet (UV) fluorescence, and Raman spectroscopy. The quartz contained abundant liquid hydrocarbon and subordinate vapor hydrocarbon fluid inclusions, and tiny solid inclusions of bitumen, calcite, and rarely pyrite. Aqueous fluid inclusions and aqueous components in hydrocarbon inclusions were absent. Under UV irradiation, most of the liquid inclusions from the limestone and associated sediment displayed intense whitish-blue and deep-blue luminescence, respectively. Further, these liquid inclusions were homogenized at around 24 °C and 53 °C, respectively. Small numbers of liquid inclusions from the associated sediments contained a liquefied gas-condensate. Raman measurements indicated the presence of aromatic compounds and the absence of H2O or CO2 molecules in the liquid and vapor inclusions.

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ご報告 一昨年から取り組んでいた卒業研究の内容が、本日付で正式に公開されました。内容は高知県佐川町の紫外線で蛍光する水晶中の流体包有物の記載です。たくさんの人にお世話になり、感謝します。 https://t.co/HTFcY6dBqb https://t.co/IQqRkUxNH5
Kido, T., Kurosawa, M., and Ikehata, K. (2023) Hydrocarbon fluid inclusions in authigenic quartz from the Torinosu Limestone at Sakawa town, Kochi Prefecture, Japan. J. Mineral. Petrol. Sci., Adv. Publ. https://t.co/GBJejaxUur

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