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ͪشԹ  :  ҹ  Dong Lan (Dl)
 
 
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A1
0-16
Black (7.5YR2/0) silty clay; strongly developed medium subangular blocky structure; friable, sticky, plastic; few very fine rounded concretion; many fine roots; slightly acid (field pH 6.5); clear, slightly wavy boundary.
A2
16-31
Black (10YR2/1) silty clay; moderate fine and medium subangular blocky structure; friable, sticky, plastic; few very fine rounded concretions and some fine quartz grains; some roots; slightly acid (field pH 6.5); gradual, smooth boundary.
AB
31-45
Very dark gray (10YR3/1) silty clay; weak medium subangular blocky structure; friable, sticky, plastic; few fine rounded concretions and some quartz grains; medium acid (field pH 6.0); clear, wavy boundary.
Bw
45-64
Dark gray (10YR4/1) clay; massive to weak medium subangular blocky structure; firm, sticky, plastic; weak development of fine slickensides; many rounded concretions and some quartz grains; many faint reddish brown mottles which become more prominent with depth; few fine roots; medium acid (field pH 6.0) gradual, smooth boundary.
Cg
64-90+
Light brownish gray (10YR6/2) silty clay; many medium distinct strong brown and yellowish brown mottles; weak medium and coarse subangular blocky with some platy structure; sticky, plastic; some quartz grains; few very fine rounded iron-manganese concretions; few roots; medium acid (field pH 6.0).