Timeline of geology
Timeline of geology == Early works == c. 1025 – al-Biruni publishes the Kitāb fī Taḥqīq mā li-l-Hind (Researches on India), in which he discusses the geology of India and hypothesizes that it was once a sea. 1027 – Avicenna publishes The Book of Healing, in which he hypothesizes on two causes of mountains.