sapropelite


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sapropelite

[′sap·rə‚pe‚līt]
(geology)
References in periodicals archive ?
The content of europium (Eu) in sapropelites was defined by instrumental neutron activation analysis technique (INAA).
OM Concentrates (sapropelites) are extracted from argillites of Bazhenov Suite in Siberian Scientific-Research Institute of Geology, Geophysics and Natural Resources" (Novosibirsk).
The comparison of the data on europium concentration and isotopic composition of carbon ([[delta].sup.13]) in sapropelites extracted from the Volzhsky layer rocks of this suite in a number of areas in Western Siberia showed that between the changes of Eu content and [[delta].sup.13] values there exists parallelism, which is not connected with the depth of original organic matter burial but correlated with the catagenesis stages B-GF (pic.1, table 1).
1,A-J) it became evident that H/C values of Estonian DOS (A) lie between 1.0-1.5 with very rare exceptions, as well as those of sapropelites from the brown to the gas coal stage (F) and of Sweden alum shales (H) except two very metamorphosed samples.
Most of alum shale samples, DOS analogues in Sweden, have lower O/C values because of mostly higher maturation degree, even higher than that of the gas coal stage of sapropelites (0.09) (Table 1; Fig.
Graphoststistical analysis of the products of natural and artificial differentiation of sapropelites (the case of kukersite) // Solid Fuel Chemistry.