Formed or occurring on the surface of the earth.Often contrasted with endogenic
- ‘I propose the term exogenic fulgurites (formed at or above the earth's surface) to distinguish this class from subterranean varieties.’
- ‘No devitrification textures are noted in either the exogenic or terrestrial varieties.’
- ‘The distinction between the cycling processes at, or near, the Earth's surface and those in the Earth's deeper interior found its way into the scientific terminology, which distinguishes between exogenic and endogenic cycles.’
- ‘At the discovery outcrop, the black glass-lined effusion crater with its glassy tendrils marks the transition from subterranean fulgurite tubes to exogenic styles of formation.’
- ‘They're something other than just craters and surface features which are formed by exogenic processes.’
We take a look at several popular, though confusing, punctuation marks.