About PlainStoneJournal
PlainStoneJournal is a reference site covering the fundamentals of geology as they apply to Central Europe, with a focus on Poland. Topics include the classification and identification of sedimentary, igneous, and metamorphic rocks; the physical properties used to identify hand specimens of common minerals; and the legal and practical aspects of fossil collection in Polish terrain.
Content is written for readers who want accurate, factual material without technical jargon. The site is intended as a starting point for field preparation and background reading, not as a substitute for professional geological advice or primary scientific literature.
Sources and Standards
All geological information published here is drawn from publicly available sources, including:
- Publications and geological maps of the Polish Geological Institute — National Research Institute (PIG-PIB)
- Resources of the Institute of Geological Sciences of the Polish Academy of Sciences (ING PAN)
- The Mindat.org mineral database for locality and property data
- Open-access geological literature available through scientific publishers
Photographs used on this site are sourced exclusively from Wikimedia Commons under Creative Commons licences. Each image caption identifies the source and licence.
Corrections and Contact
If you notice a factual error or have a question about published content, use the contact form on the homepage. Corrections based on primary source citations are reviewed and applied as needed.