Enter a clue or pattern or both:
The Clue
Geologists' studies (6 letter answer)
The Answer
STRATA
Tags
Notes
The answer STRATA is common and appears about once every 300 puzzles.
Related Clues
Echelons
Layers
Levels
Sheets
Class levels
Geologic layers
Geological formations
Levels of society
Rock bands?
Rock layers
Social classes
Social divisions
Definition
STRATUM as a noun:
1. one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
2. (level, layer, stratum) = an abstract place usually conceived as having depth; "a good actor communicates on several levels"; "a simile has at least two layers of meaning"; "the mind functions on many strata simultaneously"