strata (BrightQuery)
demand end-use split per commodity (45); each row carries its issuer + URL
Source
Feed (what to expect)
Curated; refresh each commodity row when its study group / council updates.
Each split carries its own source_label + source_url (SCRREEN2, IMOA, ITIA, Vanitec, WPIC/JM, WGC, Silver Institute, ILZSG, USGS). Copper resolves to icsg_copper_factbook, nickel to INSG. Percentage-only (no consumption anchor).
Reconciliation
Schema
Feeds (axes)
Record kinds
Identifier schemes