Krzemionki Opatowskie was a Neolithic and early Bronze Age complex of flint mines, discovered in 1922 by geologist Jan Samsonowicz. The mining in Krzemionki began about 3900 BC. It was located in the region of prehistoric striped flint mining.
- Sławomir Sałaciński, Marek Zalewski, Krzemionki. Wydawnictwa Geologiczne 1987, p.1987
- Wojciech Borkowski, PL 6 Krzemionki, Kielce Province in: Archaeologia Polona vol. 33:1995, pp. 506-524- http://www.iaepan.edu.pl/archaeologia-polona/article/524
- http://erwin.org.pl/aktualnosci/wp-content/uploads/2012/07/krzemionki_publikacja4.pdf
- https://en.wikipedia.org/wiki/Krzemionki
- Andrew Sherratt in: Neil Asher Silberman, Alexander A. Bauer eds. The Oxford Companion to Archaeology, Tom 1, OUP 2012, pp. 403
- Danuta Piotrowska, Striped Flint and the Krzemionki Opatowskie Mine, Poland. The Beginnings,-https://rcin.org.pl/Content/130406/PDF/WA308_103464_Striped-Flint_I.pdf
- Przychodni, Andrzej ; Jedynak, Artur : The centenary jubilee of the discovery of prehistoric striped flint mines in Krzemionki , in: Archaeologia Polona Vol. 60 (2022)