Initial discoveries from the Rhizoliths Petrified Forest of Chania

This study presents findings from an ongoing investigation of the recently discovered Rhizolith Petrified Forest of Chania, located at Stavros in the Akrotiri peninsula of Crete, Greece. Unlike most known petrified forests that primarily preserve tree trunks, this site uniquely features an abundance of rhizoliths—fossilized root systems preserved through calcium carbonate mineralization. The rhizoliths exist within aeolianite formations along the coastal front, with diverse morphologies and sizes ranging from small trace-like forms to massive, branched structures exceeding one meter in length. The site also contains in-situ petrified trunks, calcrete formations, and biokarstic dissolution features that further enhance its scientific value. Microscopic examination of rhizolith samples has revealed valuable information about their internal structure, showing clear biogenic characteristics. The exceptional preservation of both below-ground and above-ground plant components provides critical insight into the Quaternary paleoenvironment, including vegetation structure, soil stabilization processes, and paleoclimatic conditions. The alternating layers of aeolianites and paleosols suggest cyclical environmental changes, with periods of active dune formation alternating with more stable conditions allowing soil development and vegetation establishment. This comprehensive study places the Stavros rhizoliths in a global context, comparing them with similar features documented at other sites worldwide, and establishes the site as one of substantial paleoenvironmental and geological importance.