The Mines of Spiennes cover some 100 ha of downland four miles south east of the city of Mons. The site is dotted with millions of scraps of worked flint and numerous mining pits, that Neolithic settlers have gradually turned into vertical mine shafts to depths of over 10 m . Underneath is an elaborate man made network of caverns accessible via the many shafts.Inscription: 2000
Aug 15, 2007· These are LCT type granitic pegmatites that produce tri colored tourmaline, a highly valuable mineral. The locals say there are 40 mines in the area. The Gemstone Corporation of Pakistan worked Stak Nala systematically in the 1980s, and when it
Flint. Harrow Hill: a Neolithic flint mine being archaeologically excavated in 1925. Before the introduction of metal technology, the majority of tools like knives, saws and arrowheads were made from flint. Flint is a stone which in hardness and durability is second only to diamond. It possesses excellent flaking properties and can be ...
Krzemionki, also Krzemionki Opatowskie , is a Neolithic and early Bronze Age complex of flint mines for the extraction of Upper Jurassic banded flints located about eight kilometers north east of the Polish city of Ostrowiec Świętokrzyski.It is one of the largest known complexes of prehistoric flint mines in Europe together with ...Inscription: 2019