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ͪشԹ  :  ӹ³  Lam Narai (Ln)
 
 
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Ap
0-29
Dark brown (7.5YR3/2) clay; moderate medium subangular blocky structure; slightly firm, sticky, plastic; few fine (?+ 2 mm) lime concretions; common very fine and fine roots; moderately alkaline (field pH 8.0); clear, smooth boundary.
Bw1
29-49
Dark reddish brown (5YR3/4) clay; moderate medium subangular blocky structure; friable, sticky, plastic; few fine (?+ 2 mm) lime concretions; few very fine roots; moderately alkaline (field pH 8.0); gradual, wavy boundary.
Bw2
49-82
Reddish brown (5YR4/4) clay; moderate medium subangular blocky structure; slightly firm, sticky, plastic; shiny faces that may be patchy thin cutans or pressure faces; few fine (?+ 2 mm) lime concretion and very few fine angular rock fragments; few very fine roots; moderately alkaline (field pH 8.0); abrupt, wavy boundary.
Ck
82-150+
Layer of weathered rock (basalt) contain more than 80% lime concretions and some basalt fragments (?+ 2 mm); moderately alkaline (field pH 8.0).