Reliability of diverse practical and fundamental geological results depends on validation of initial data background, research techniques used, methodology and means of sampling, which differ by design according to the aim of research. Accumulated i16n various databases and databanks information on geological objects that was acquired from different sources using different analytical techniques often turns out to be haphazard or even contradictory, which greatly limits its utilization possibilities. This research aims to develop specialized database targeted on geochemical modelling for magmatic system of Precambrian Korosten Pluton (Ukrainian Shield). This publication focuses on results of implementation of databank development basic principles and following analytical quality control of final results: (1) sampling points for main rock types are provided with sufficient geological background; (2) representativeness of samples is granted by their sufficient weight an d multistage filtration by various research techniques (petrographic, mineralogical, XRF etc.); (3) analytical data were obtained simultaneously in single laboratory by single precision analytical technique; (4) high level of analytical quality control grants reliability of geological information.


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