The Greek natural philosophers led by Thales and Anaximander discussed such geologic phenomena as the presence of fossil marine shells and remains of plants in unexpected places.

• 以泰勒斯和阿那克西曼德为代表的希腊自然哲学家曾探讨了在意想不到的地方发现海洋贝类化石和植物残骸等地质现象。