Rubidium
Geochemical Symbol: Rb
Typical Detection Limit (Aqua Regia/ICP): N/A
Typical Detection Limit (Neutron Activation): 30 ppm
Detectability
Unknown
Exploration Geochemical Applications
1. As a Pathfinder
Specialized applications e.g. for Rb-rich pegmatites
2. As an Aid to Geological Mapping
Strongly associated with potassium. May serve as "potassium surrogate" if that element is not analysed.
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