Radiolarites
Metamorphic rock with a hard, compact texture, which may contain dead organic matter and lead. This specimen is 4 cm long. Photograph by Peter B Tzannes, 2004
Ανοιγμα καταχωρισηςΟι παρακατω καταχωρισεις προβαλλονται στα Αγγλικα επειδη δεν υπαρχουν ακομη ελληνικες εκδοχες για αυτη την ενοτητα.
Metamorphic rock with a hard, compact texture, which may contain dead organic matter and lead. This specimen is 4 cm long. Photograph by Peter B Tzannes, 2004
Ανοιγμα καταχωρισηςThis incredible beach stone has veins that spell the Greek word ‘oxi’, meaning ‘no.’ Imagine our amazement when we came upon it on the beach near Agia Pelagia!
Ανοιγμα καταχωρισηςBeach stone illustrating Euclidean proposition VI.2. Photograph by Peter B Tzannes, 2004
Ανοιγμα καταχωρισηςBeach stone illustrating the Euclidean diagram for Book One, Proposition 27. Photograph by Peter B Tzannes, 2004
Ανοιγμα καταχωρισηςBeach stone with the number 70 inlaid in calcite. Photograph by Peter B Tzannes, 2004
Ανοιγμα καταχωρισης