On the origin of urtites of the Khibiny alkaline massif
Abstract
The urtites in the Khibiny massif are part of a complex ijolite-urtite complex of rocks occurring among nepheline syenites in the form of a horseshoe-shaped body hollowly falling to the center of the massif. Within this body, trachytoid ijolites are the most widespread. The so-called fine-grained iiolites are very insignificantly distributed here. According to the data of geological mapping of the ijoliturtite band, urtites lie among trachytoid ijolites and are exposed on the day surface in the hanging side or central part of the horseshoe-shaped body.
Область исследования:
(Archived) Without section
References
- Borutsky B. E. To the typomorphism of alkali feldspars of the Khibii Maioiv. In the collection: Typomorphism of Minerals. Nauka, 1968.
- Dudkin O. B., Kozyreva L. V., Pomerantseva N. G. Mineralogy of Apatite Deposits of the Khibiny Tundras. Nedra, 1964.
- Eliseev N. A., Volodin E. N. N., Ozhinsky I. S. Geologic map of the Khibiny tundras. Proc. of the Len. Geol. Department, iss. 19, 1939.
- Ivanova T. N. Apatite deposits of the Khibiny tundras. Gosgeoltekhizdat, 1963.
- Kalinkin M. M. To prototectonics of apatite-nepheline bodies. Journal of Mining Institute, vol. LII, iss. 2, 1967.
- Nikitin V. D. To the theory of genesis of pegmatites. Journal of Mining Institute, vol. XXX, iss. 1955.
- Nikitin V. D. Pegmatite deposits. In the book: Genesis of Endogenous Ore Deposits. Nedra, 1968.
- Rudenko S. A. Genesis and structural peculiarities of mariupoliggas. Journal of Mining Institute, vol. XLII, iss. 2, 1962.
- Rudenko S. A. To the genesis of apatite deposits of the Khibiny massif. Journal of Mining Institute, vol. XLVII, iss. 2, 1964.
- Solodovnikova L.L. Feldspars of the Kukisvumchorr apatite deposit. In the collection: To Mineralogy of Postmagmatic Processes. LSU, 1959.
- Fiveg M. P. Apatite deposits of the Khibiny. In the collection: Geologic Investigations of Agronomical Ores of the USSR. Tr. NIUIF, vol. 142, 1937.
Similar articles
Influence of delineation structures on the shape, size and location of crystalline zones
1971 D. V. Nikitin, L. F. Guznyaeva
Age and patterns of karst distribution at the Pikalevskoye fluxing limestone deposit
1971 O. V. Lepin
Place of crystal formation among the processes of metamorphic rocks alteration
1971 V. D. Nikitin, S. A. Rudenko, V. Yu. Eshkin