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PHI (Ϗ)
A dimensionless expression of grain size in sediments and sedimentary rocks calculated as φ = –log2(d/d0), where d is the grain diameter and d0 is the diameter of a 1-mm grain. High positive ...
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A dimensionless expression of grain size in sediments and sedimentary rocks calculated as φ = –log2(d/d0), where d is the grain diameter and d0 is the diameter of a 1-mm grain. High positive ...
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