How To Use Exogenic In A Sentence

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 measure is applicable to natural and artificial adaptive systems in the absence of exogenic fitness criteria, unlike fitness-function-based measures of adaptation. Shannon Information and Biological Fitness - The Panda's Thumb
They're something other than just craters and surface features which are formed by exogenic processes.
- exogenic dormancy which is related to the properties of the seed pericardium; 1.1. Forests

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.
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.
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.
Some external black glass is noted where the tubes may have been exposed subaerially during formation, but no exogenic specimens were noted.
To use Gergen’s 1985 dichotomy, with its external and internal referents, the focus is exogenic as opposed to endogenic, which is subjective or phenomenological. Handbook of Stress
Perhaps once this class of exogenic fulgurite becomes better known, a greater number or variety of occurrences will be recognized instead of overlooked.