Geochemical Symbol: Th
Typical Detection Limit (Aqua Regia/ICP): 2 ppm
Typical Detection Limit (Neutron Activation): 0.5 ppm


Typical frequency distribution shows some truncation (censoring); parametric statistical calculations usually possible

Exploration Geochemical Applications
1. As a Pathfinder

None known, other than specialized applications

2. As an Aid to Geological Mapping

High values indicate presence of felsic rocks, especially intrusives

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