83Fossil sites
Boom Clay
Boom Clay in Belgium: 83 fossil sites. Typical age: 34–27 million years (Paleogene).
83Fossil sites
0Finds
34–27 million yearsTypical age
PaleogeneMain period
Where its fossils were found
Paleogene
By geological period
Paleogene83
Towns with the most fossil sites nearby
Other formations of the same period
Paleogene
Tienen Formation 16Boom Formation 14Argile des Flandres 14Brussel Sand Formation 12Aalter Formation 9Borgloon Formation 8Lede Formation 8Brussels Formation 7Tielt Formation 5Houthem Formation 4Mons-en-Pévèle Sand Formation 4Atuatuca Formation 4Calcaire de Eisden 3Heers Formation 3Hannut Formation 3Maldegem Formation 3Ciply Calcarenite Formation 3Bilzen Formation 3