(Třenice)
Abandoned quarry.
Ordovician greywackes contain abundant phosphatic remains of brachiopods. Phosporus was later remobilised and produced minerals in rock fissures.
Refs.:
- Bořicky (1869) Konigliche Akademie der Wissenschaften, Vienna, Sitzber.: 59: 593.
- Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 964, 998.
Mineral List:10 entries listed. 8 valid minerals.
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