This page lists every known solution for the clue “Geologic Base” in Crossword Challenge. Because this clue can appear in different puzzles (levels) with different required answers, we first list all the answers, then show which one appears in each puzzle below.
Geologic Base Crossword Challenge Answers (All Variants)
Bedrock
If more than one answer is listed, open your puzzle page below to confirm the one used there.
All Known Answers for Geologic Base Clue
Where This Clue Appears
Last Checked: May 04, 2026