Category
page 1Flint mining

Krzemionki
Krzemionki, also Krzemionki Opatowskie (, "Opatów silica-mine"), is a Neolithic and early Bronze Age complex of flint mines for the extraction of Upper Jurassic (Oxfordian) 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 Grime's Graves in England and Spiennes in Belgium.
Neolithic flint mines of Spiennes
mine
Alibates Flint Quarries National Monument
U.S. national monument in Texas
Grime's Graves
flint mine in Norfolk, England, UK