NGS Style Manual‎ > ‎- G -‎ > ‎

GEOLOGIC TERMS

Lowercase such generic terms as formation, craton, and plate even when used with proper names.

Lowercase the type of rock in geologic formations.

  Vishnu schist
Ogallala aquifer
Fig Tree formation


Redwall limestone
Sevier orogeny
but Overthrust Belt

See also Basin, fault, formation, GEOLOGIC TIME.