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L. V. Kulachkov
L. V. Kulachkov
G.V. Plekhanov Saint Petersburg Mining University
G.V. Plekhanov Saint Petersburg Mining University

Articles

Geology, search and prospecting of mineral deposits
  • Date submitted
    2008-10-09
  • Date accepted
    2008-12-12
  • Date published
    2009-04-01

New source of noble corundum in Kenya

Article preview

The large-scale occurrence of ruby and sapphire in Kenya is represented by contemporary river-bed and valley alluvial placers. The first ones are characterized by a high content of ruby (up to 10,4 ct/m 3 ), the second type is interesting due to the amount of forecasted resources: up to 2,3 million ct of ruby and 1,2 million ct of sapphire. It turned out to trace the mechanism of corundum concentrations forming, the mineral crystallized in Archean high-alumina gneisses affected by Precambrian basites (ultrabasites), and then survived a complicated way: – ancient eluvium – ancient alluvium – transportation by basaltic Pleistocenic magma – Holocenic weathering crust of volcanites – talus – contemporary alluvium.

How to cite: Kulachkov L.V., Kamwathi K., Shterhun V.L. New source of noble corundum in Kenya // Journal of Mining Institute. 2009. Vol. 183. p. 88-94.
Problems of predicting and preventing emergencies and their consequences
  • Date submitted
    2002-08-21
  • Date accepted
    2002-09-13
  • Date published
    2003-03-01

Endogenous, exogeneous and technogenic factors of environmental impact on human environment within north-west of Russia

Article preview

The living environment of the Northwest region of Russia is significantly affected by both natural geological (endogenous and exogenous geodynamic, geochemical and radiogeochemical) and anthropogenic factors. The greatest environmental hazards are those areas where there is a combination of high probability of dangerous natural phenomena and excessive technogenic impact on the environment. Such areas include the west of the Kola Peninsula, a number of territories of the Leningrad Region, and others.

How to cite: Smyslov A.A., Marchenko A.G., Kulachkov L.V., Botalova E.A. Endogenous, exogeneous and technogenic factors of environmental impact on human environment within north-west of Russia // Journal of Mining Institute. 2003. Vol. 154. p. 248-250.
Forecasting and prevention of emergencies and their consequences
  • Date submitted
    2000-10-07
  • Date accepted
    2000-11-13
  • Date published
    2001-05-01

Geodynamic and other natural factors of the ecological state of Russia's geological environment

Article preview

Natural processes with negative impacts on the natural environment and human life safety are widely manifested on the territory of Russia: endogenous (seismic hazard) and exogenous (mudflows, avalanches) geodynamic phenomena, as well as the accumulation of anomalous concentrations of toxicants in geological bodies.

How to cite: Smyslov A.A., Marchenko A.G., Kulachkov L.V., Botalova E.A., Tutakova A.Y., Alekhina V.V., Baranauskaite I.A. Geodynamic and other natural factors of the ecological state of Russia’s geological environment // Journal of Mining Institute. 2001. Vol. № 5 149. p. 271-274.
Without section
  • Date submitted
    1996-06-11
  • Date accepted
    1996-07-21
  • Date published
    1997-01-01

Новые находки неметаллических полезных ископаемых в восточных провинциях Кубы

Article preview

Описаны новые проявления неметаллических полезных ископаемых: жильного кварца, горного хрусталя , тал ькосодержащих пород, исландского шпата, яишовидной породы, мраморного оникса, керамического, абразивного и коллекционного сырья. Преобла­дают нетрадиционные для Кубы полезные ископаемые, часть из которых импортируется.

How to cite: Kulachkov L.V., Leiva Rodriges K.A. // Journal of Mining Institute. 1997. Vol. 143. p. 115.
Without section
  • Date submitted
    1992-08-04
  • Date accepted
    1992-10-12
  • Date published
    1993-02-01

О находке латеральных россыпей на северо-восточном побережье Кубы

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Рассмотрены предпосылки концентрации тяжелых минералов на северо-восточном побережье Кубы. Освещены первые положительные результаты поисковых работ.

How to cite: Kulachkov L.V., Dias Martines R., Rodriges Vega A. // Journal of Mining Institute. 1993. Vol. 137. p. 90.
Without section
  • Date submitted
    1977-08-18
  • Date accepted
    1977-10-29
  • Date published
    1978-02-01

Изменение состава флогопита в процессе выветривания карбонатитов и явление сорбции редкоземельных элементов вермикулитом

Article preview

В юго-западной экзоконтактовой части Ковдорского массива ультраоснов ных, щелочных пород и карбонатитов (Кольский полуостров) расположено месторождение адатит-франколитовых руд, тела которых залегают на выветрелых ранних кальцитовых карбонатитах с апатитом, магнетитом, сульфидами и флогопитом ...

How to cite: Kulachkov L.V. // Journal of Mining Institute. 1978. Vol. 75. p. 47.