... with the problem of creation of sea mining complexes taking into consideration creation of dressing and processing equipment, it should be noted that for dressing metal-bearing sands of ore placers (tin, gold, ilmenite, titanium-magnetite etc.) it is necessary to mount on board of the floating base special...

...(up 50 m deep). The cadastre includes several information blocks: mining-geological characteristic of the deposit; hydro-meteorological conditions and aerodynamic local mode of accurence of a placer; ice conditions of the sea (thickness of ice, periods of drifting and freezing and etc...

... Good Methods of Building and Tita~um-Magnetite Sands Mining m the Shelf Y.N. Niskovskiy and E. V. Niskovskaya Far-Eastern State Technical University A.M. Vasianovitch Corporation "Primorskugol" Vladivostok, Russia ABSTRACT The brief description of titanium-magnetite placers in the shelf of the Far...

... minerals: gold (bays of Primorye, the Sakhalin Gulf- Shantarskiye Islands, Western shore of Kamtchatka from Penzhinskiy bay, to the first Kuril strait; Eastern shore of Kamtchatka; from the Krest gulf to Toiguncn, Tchaunskaya bay to the Kolima mouth.) trench 9 fraction placer consideration...

.... The possibility of mining coal seams under the floor of the Gulf by method of gasifica- tion is investigated. MINING OF PLACERS UNDER THE SEA FLOOR A number of placers being explored on the shelf of the Far East- ern seas are under considerable layers of marine semments. One of the main problems...