PRELIMINARY SIEVING OF BIOMARKER PARAMETERS

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PRELIMINARY SIEVING OF BIOMARKER PARAMETERS
Vol. 7, Issue 2, Pages: 135-147(1986)
Online First：25 June 1986，

Published：1986
DOI： 10.11743/ogg19860205
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DOI：

Yang Wenkuan. PRELIMINARY SIEVING OF BIOMARKER PARAMETERS[J]. 1986, 7(2): 135-147. DOI： 10.11743/ogg19860205.

本文用数理统计方法对21项生物标记物指标进行了初步筛选。基础数据主要是我国6个盆地192个生油岩样品的数据。C

规则甾烷/C

规则甾烷是反映干酪根类型的较好指标。αβ升藿烷系列22

/22

、(降)藿烷/(降)莫烷、αααC

甾烷20

/(20

+20

)是反映生油岩成熟度的较好指标。某些生物标记物指标没有明显的实用价值。

Based on the statistical analysis of the geochemical data of more than 192 rock samples collected from 6 basins in China

the author has come to the following conclusions:1.The parameters 17α21β-Hopane-22

/22

17α21β-Hopane/17β21α-Moretane and 5α14α17αC

-Sterane-20

/(20

+20

)are available maturity indices of source rocks.2.The sterane ratio 5α14α17αC

/5α14α17αC

is a better index of kerogen types.3.Some parameters

as Pristane/n-C

Phytane/n-C

are of little practical value.

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