Secondary Minerals Formation
nounPronunciation: /ˈsɛkənderi ˈmɪnərəlz ˈfɔːrmeɪʃən/
The development of new mineral phases within mine waste and surrounding materials through chemical weathering and oxidation reactions that occur after mining exposure. These secondary minerals can sequester or mobilize contaminants and influence long-term waste stability.
Plain English
New minerals that form in mine waste when exposed rock reacts with water and oxygen over time.
Etymology & History
Usage
"Secondary minerals formation in tailings surfaces produced efflorescent salt crusts that indicated active acid generation."
Style guide notes: Identify secondary minerals using standard mineralogical nomenclature and X-ray diffraction terminology.
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Related Terms
Frequently Asked Questions
What secondary minerals commonly form in acid mine drainage systems?
Iron hydroxides, jarosite, gypsum, and various metal sulfates precipitate as secondary phases during oxidation and neutralization.
How do secondary minerals affect reclamation planning?
Secondary mineral assemblages indicate geochemical conditions and can help predict long-term drainage quality and contaminant behavior.
Why Test Candidates on This?
Secondary minerals formation is relevant to advanced geochemical assessments of mine waste stability and long-term environmental prediction.
Required skill level: Senior