This report highlights the following aspects of the trace element (TE) composition of naphthides: 1. genetic relationships of bitumoids with the composition of generated oils; 2. dynamics of changes in the TE composition of naphthides during catagenic and hypergenetic transformations; 3. correlation dependences of the TE compositions of naphthides with the composition of various substances. The composition of the TE of oils and bitumoids has long been successfully used in petroleum geochemistry for solving various geological and geochemical problems. That is why the use of data on the TE composition of naphthides is relevant and well-grounded.


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