STRATA
Rare finds
Rare patterns
Fossils are not the only scarce thing underground. Each of these patterns turns up in a handful of cores. Click one to drill it.
STRATA
Rare finds
Fossils are not the only scarce thing underground. Each of these patterns turns up in a handful of cores. Click one to drill it.
Live since the reveal
Worked out in your browser from all 10,000 seeds, every time the page loads. Nothing here is typed in by hand.
How many cores each mineral dominates, from most common to rarest.
Neighbouring beds of the same mineral read as one, so fewer beds means thicker bands.