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頁籤選單縮合
題名 | 十六份頁岩中獨立碳質塊體之地球化學特徵=The Geochemistry Characteristics of Organic Debris in the Shiliufeng Shale |
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作者 | 沈俊卿; | 書刊名 | 鑛冶 |
卷期 | 48:4=188 2004.12[民93.12] |
頁次 | 頁109-119 |
分類號 | 358.5 |
關鍵詞 | 生物指標; 成熟度; 獨立碳質塊體; |
語文 | 中文(Chinese) |
中文摘要 | 鏡立碳質塊體為特別的有機物徵態甚為少見,分析13個在氧化環境中沈積且所受成熟作用幾乎完全相同的未成熟含產油有機物主之獨立碳質塊體,以了解其成分並探討其各項成熟度指標的變與岩性所造成差異,結果顯示由這些甲菲異面物與菲所換出來的Ro%值以0.6MPI-1+0.4所得的較接近鏡煤素反射率測定值(0.4~0.5% Ro%),而樣品中Desmocollinite含量較低(僅20%)的16ML1樣品之成熟度計算值則高於其它樣品接近0.6%Ro。 所分析的這些樣品,在粉砂層中碳質塊體的Cadalene/Retene及Fluoranthene/Pyrene比值較頁岩中的碳質塊體比值為高,粉砂層中 Cadalene含量多顯示有較多顯花植物的貢獻。而MPI-1值在粉砂中則明顯較低。 霍烷系列中C29 norhopane對C30 hopane及C29 normoretane對C30 moretane的比值有高度正相關。 |
英文摘要 | A very uncommon type of organic matter, organic debris, were analyzed in this study to understand its component and geochemistry characteristics. There are tow kinds of maturation indices, vitrinite reflectance value and MPI-1 value, with less variation having been fund for these sample. The vitrinite reflectance value for thirteen pieces of goranic debris in the siltstone and the shale of the Shiliufeng Shale are in the range 0.41-1.49 Ro%. The discrepancy of Rc% value as calculated with 0.6MPI-1+0.4 is closer to the measured vitrinite reflectance value (Ro%), is also very small. Three ratios of component, Cadalene/retene, Fluranthene/Pyrene and MPI-1 value, change with the petrology. Compounds of hopanoid, C29norhopane to C30 hopane and C29 normoretane to C30 moretane, have highly positive correlation. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。