Authigenic grey monazite from ordovician metasediments of the Iberian massif: the Matamulas placer

Key Points

• Authigenic grey monazite exhibits unique characteristics linked to Ordovician metasediments.
• Key evidence includes mineral composition analysis of placer deposits with notable grey monazite presence.
• Analysis of geological formations in the Iberian massif reveals significant historical geological processes.
• Implications support further exploration of mineral resources in similar geological environments.