Vol. Science · Earth resources · interactive
A browser lesson on how ores become materials — and why lithium for batteries is three different industries wearing one element name. Pair the physics of grade and process with the history of material rushes on /history/rushes/. For the mineral that was cut, graded, and lost to melt — lake ice, not a polar fleet — see the ice crop. Status context lives on the science desk.
Interactive · Grade & tonnage
Ore grade is how rich the rock (or brine) is. Tonnage is how much of that material you move. Contained metal ≈ grade × mass — then recovery, dilution, and cut-off grade eat into what you can actually sell.
Toy: contained metal (t) = ore mass (t) × grade (%) / 100 · recovery ignored
Ore grade1.0%
Ore mass processed1,000,000 t
10,000 t
At 1.0% grade and 1 Mt of ore, the rock “contains” about 10,000 tonnes of metal-equivalent before losses. Real recovery is often far lower; waste rock and tailings still move.
Interactive · Lithium paths
“Lithium mining” is not one flowsheet. Salars evaporate brine; pegmatites crush spodumene; clay/sediment projects try selective leaching. Pick a path for a qualitative water / time / energy sketch — not ranked scores, just teaching contrasts.
Interactive · Ore processing stages
Click a stage. Most public fights and most technical risk sit in the middle — where chemistry, water, waste, and communities meet the truck fleet.
Stage 01
Interactive · Geography literacy
Deposits are not evenly sprinkled. Tap a region for a one-paragraph orientation — enough to read a news headline without confusing Chile’s salars with Australia’s hard-rock mines.
Region
Env & social notes
Related ecology desk: ocean metals — iron fertilization vs deep-sea mining particle experiments (what sank vs what died).
Educational schematic from public-knowledge mining literacy. Grades, recoveries, and regional sketches are simplified for teaching. Not a mine plan, not reserve disclosure, not financial advice. Cross-read with material rushes when the news starts sounding like 1849 with better logos.