The Middle Tianshan uplift zone of the Tianshan folding system is located between the south and north Tianshan Hercynian eugocsyncline folding belts. Hornblende
Alpha-spectrometric technique is described as an independent method of determining micro-content of U^233 and Th^233. This method is based on the comparison of
A procedure of quantitative emission spectrographic analysis is given for the direct determination of gallium, indium, germanium, copper, vanadium, and nickel i