Geology Abbreviations and Acronyms

1. OCT
   Ocean Continent Transition
2. OCTG
   Oil Country Tubular Goods
3. OCTGS
   Oil Country Tubular Goods
4. OCVB
   Okhotsk-Chukotka Volcanic Belt
5. ODP
   Ocean Drilling Program
6. ODSN
   Ocean Drillins Stratigraphic Network
7. OEN
   Orthoenstatite
8. OEW
   Office of Economic Warfare
9. OFR
   Open-File Ceport
10. OGS
    Oklahoma Geological Survey
11. OIB
    Ocean Island Basalt
12. OK
    Old Keokuk
13. OL
    Olivine
14. OMC
    On-Line Map Creation
15. OMC
    Online Map Creation
16. OMC
    Old Mine Cut
17. OME
    Office of Minerals Exploration
18. OMG
    Operationql Management Group
19. OMM
    Office of Minerals Mobilization
20. OMZ
    Ossa-Morenm Zone

Last updated: May 24, 2020 — Total entries: 1,780