Abstract: In the paper non-normative concepts of about 20 molecular organic geochemical terms commonly appearing in the geological and geochemical literature in the past several years are put forward for discussion, discrimination and stipulation. The application of some terms of them is not only limited to the category of organic geochemistry. The author hopes that by means of the discussion with related exports these terms could be stipulated in order to avoid the further spreading of erroneous messages and promote the academic exchange between related disciplines.
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