thin layered rock: crossword clues

Matching Answer
Confidence
OREO
60%
SHALE
60%
MICA
60%
ONION
60%
GNEISS
60%
ONO
60%
SEAMS
60%
SEAM
60%
ASA
60%
SHEET
60%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)