Geology
Geology appears on this wiki chiefly through two heterodox programmes with substantial followings, both concerning the history and structure of the Earth.
Topics disputed on this wiki
- Expansion tectonics — the proposal that the Earth has grown in radius over geological time, offered as an alternative to plate tectonics and subduction.
- Catastrophism and the interpretation of the geological record.
- Debates over the origin of petroleum, including abiogenic proposals.
- The Earth's internal structure and heat budget.