- blades of silica
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лейсты кремнезема
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
microblade — adjective Of or pertaining to the prehistoric technology of producing very small blades from silica rich minerals. The upper Palaeolithic period saw the first production of microblade tools … Wiktionary
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Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium