Age: 390–400 million years, Devonian
Location: 220 km west of Townsville
Formation: This limestone formed in a tropical, shallow marine environment on the east Australian continental margin. It contains abundant fossil bivalves, corals, sponges and brachiopods, including shells of giant megalodont clams, many of which are preserved in their upright growth position.
Significance: This abundantly fossiliferous limestone can be regarded as a Devonian precursor of the Great Barrier Reef, Queensland’s most iconic natural feature. A spectacular decorative stone, exported around the world.
Donated by: The Government of Queensland and NQ Marble Pty Ltd