Geology specialist was a Starfleet enlisted rating referring to science division crew members and non-commissioned officers specializing in geology.
Insignia[]
| Geology specialist recruit |
Geology specialist apprentice |
Geology specialist crewman | |
|---|---|---|---|
| Earth Starfleet | 
|
 |
 |
 | |||
| 2260s | 
| ||
| 2270s |   |
 |
 |
| Late 2270s | N/A |   | |
| 2350s-2360s | 
| ||
| 2360s-2370s service uniform |
  |
 |
 |
| 2360s-2370s duty uniform |
  |
 |
 |
| 2370s-2380s |  |
|
|
| Chief geology specialist |
Senior chief geology specialist |
Master chief geology specialist | |
|---|---|---|---|
| Earth Starfleet |  |
 |
 |
| 2260s |
| ||
| 2270s |  |
 |
 |
| Late 2270s |  |
 |
 |
| 2350s-2360s |  | ||
| 2360s-2370s service uniform |
 |
 |
 |
| 2360s-2370s duty uniform |
 |
 |
 |
| 2370s-2380s | |
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