Institutul De Cercetari Inginerie Tehnologica Si De Proiectare A Lucrarilor De Constructii Si Instalatii Pentru Minereuri
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Priority to RO125036ApriorityCriticalpatent/RO97042B1/en
Publication of RO97042B1publicationCriticalpatent/RO97042B1/en
Inventia se refera la un procedeu de exploatare în cariera a substantelor minerale utile. procedeul, conform inventiei, prevede ca derocarea sa fie executata pe fiecare treapta din grup în mod separat, decalat în plan si astfel dirijata, încât o parte din material este depus prin puscare direct pe treapta inferioara, iar o parte este deplasat la nivelul aceleiasi trepte inferioare, ce unde este evacuat.The invention relates to a process for the exploitation of useful minerals in the quarry. the method according to the invention requires that the tilting be executed on each step of the group separately, offset in the plane and so guided that part of the material is deposited directly by the lower step and a part is moved at the same level inferior, where it is evacuated.
RO125036A1986-10-151986-10-15Open pit mining process
RO97042B1
(en)
Improved wedge arrangement + related means for mounting means, base members, + bits, + combinations thereof for mining, road working or earth moving machinery
Foraminiferal evidence for the development of anoxic conditions, Niobrara Formation (Upper Cretaceous) Boulder, Colorado, with paleoceanographic implications for the western interior seaway