Dependence of mineral associations of crystal nests of the Circumpolar Urals on the chemical composition of the host rocks
Abstract
Most researchers of rock crystal deposits, the Subpolar Urals believe that the components that make up the nest minerals are carried by hydrothermal solutions from the magmatic hearth. Let us see to what extent this widespread opinion is confirmed by the actual material during a more or less detailed study of the composition of the host rocks and crystal nests.The striking similarity of the bulk chemical composition of the minerals of the crystal nests and the host rocks is striking even at a cursory acquaintance with chemical analyses. Chemical analyses show that the minerals of crystal nests of the circumpolar Urals consist of the following components: SiO2, Al2O3, FeO, MgO, CaO, Na2O, K2O, Fe2O3, TiO2, MnO, H2O и CO2. All these components are also included in the rocks hosting the crystal nests. Characteristically, the quantitative ratios between the above components are almost identical both in the total composition of the nesting minerals and in the rocks hosting the crystal nests.
References
- Betekhtin A.G. Mineralogy. Gosgeolizdat, 1950.
- Zavaritsky A.N. Introduction to petrochemistry of inverted rocks. Izd. of the AS USSR, 1950.
- Ivanova V.P., Shilin D.M. Chlorite-bearing rocks. Collection of articles (Altered near-metallic rocks and their prospecting value), ed. by N.N. Kurek. Gosgeolizdat, 1954.
- Karyakin A.E. About connection of quality of quartz crystals with their external appearance. Proc. of the All-Union. Min. Society, 1948, part 77, No. 4.
- Karyakin A.E. Genetic connection of crystal nests with quartz veins and the origin of cavities. Journal of Mining Institute, 1949, vol. XXIII.
- Karyakin A.E. Types of quartz veins of the Subpolar Urals and their crystal nests. Journal of Mining Institute, 1953, vol. XXVIII.
- Karyakin A.E. Grayite intrusions of the Polar Urals and their relation to fold structures. Journal of Mining Institute, 1953, vol. XXVIII.
- Karyakin A.E. On the Genesis of Crystal Cellars. RAS USSR, 1953, vol. 92, No. 5.
- Karyakin A.E. On the dependence of the external appearance of quartz crystals on the chemical composition of the medium. Crystallography (Proceedings of the Fedorov Scientific Session 1953). Ed. LSU, 1955, vol. 4.
- Karyakin A.E. On the dependence of coloration of quartz crystals on the chemical composition of rocks hosting crystal nests. Crystallography (Proceedings of the Fedorov Scientific Session 1953) Ed. LSU, 1955, vol. 4.
- Karyakin A.E. Nucleation, growth and destruction of quartz crystals. Proc. of the All-Union Min. Society, 1954, part 83, No. 1.
- Karyakin A.E. Gas-liquid inclusions and coloring of quartz crystals as criteria for determining the age of crystal nests. Proc. All-Union Mineral Society, 1954, part 83, No. 4.
- Karyakin A.E. Intervening rocks as a source of material for minerals of crystal nests. Journal of Mining Institute, 1955, vol. XXX, No. 2.
- Karyakin A.E. Search signs of crystal nests. Journal of Mining Institute, 1955, vol. XXXI
- Karyakin A.E., Tatarinov P.M. Genetic connection of mineralization with intrusions. Proc. of the All-Union Mineral. Society, 1951, part 80, No. 3.
- Merkulova G.V. To the question about the type and genesis of piezoquartz deposits of the Urals. Proc. of the All-Union Mineral. Society, 1942, No. 3.
- Tatarinov P.M. Conditions of formation of ore and nonmetallic mineral deposits. Gosgeoltekhizdat, 1955.
- Campbell J. Am. Min., 1927, v. 12, No. 4.
- Koenisberger J. Schweiz. Min. Petr. Mitt., 1928, B.VIII, No. 1.
- Koenisberger J. Schweiz. Min. Petr. Mitt., 1921, No. V.
- Parker R. Z. Schweiz. Min. Petr. Mitt., 1923, No. 3.
- Parker R.Z., Koenisberger J., Niggli P. The minerals of the Swiss Alps, 1940.