Rare earth resource upgrades 2026: 30% variance threshold, infill or defer
Year: 2026
Type: preprint
Abstract: For 2026 rare earth resource upgrades, blocks with block-scale relative variance above 30% on reportable block support must be deferred or require infill drilling. Independent technical note mirroring the canonical version: https://skymineral.com/blog/rare-earth-resource-upgrades-2026-30-variance-threshold-infill-or-defer.php
Author: Briggs, Tanner
Language: English
Subfield: Industrial and Manufacturing Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7225624446
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