dera_38_magnesiumcommodityOfficial surveyAuthoritative

DERA-38 Magnesium (Schmitz 2019)

DERA / BGR (Bundesanstalt fuer Geowissenschaften und Rohstoffe)

primary magnesium smelter capacities ~2017: China top-10 (CMA/Ruhai 2018) plus operator-narrated non-China plants, Ti-sponge co-product Mg, and pipeline projects; ISBN 978-3-948532-00-0, ISSN 2193-5319

Source

How it's published

Feed (what to expect)

Static 2019 DERA study; re-vendor if a newer DERA/USGS magnesium survey supersedes the capacities.

Cadence: static (2019 study; Datenstand Mar-2018)
Access: free PDF (deutsche-rohstoffagentur.de / BGR)
Format: curated JSONL rows read from the study tables + country narratives
Licence: DERA/BGR federal survey, cited with attribution
Vintage: 2019
Upstream: —

License-strict: only the CMA industry table (Tab. 6) and operator/press narratives are vendored; rows sourced ONLY to the study's Roskill/IHS-blended tables are dropped. Capacities are ~2017 nameplate (Datenstand Mar-2018); POSCO Gangneung is carried as CLOSED (2013), not operating.

Reconciliation

Role in the canonical graph

Authority tier: Official survey
Provenance: Authoritative
Canonicality: tier 1
Primary for: —
Contributes IDs: —
Name-block matching: excluded
Reconcile profile: default (tier 1)

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