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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-11
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Dark brown (7.5YR3/2) silty clay; moderate fine and medium granular structure; hard, friable, sticky, plastic; few fine fragments of shale; neutral (field pH 7.0); clear, smooth boundary. |
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BA
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11-27
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Brown to dark brown (7.5YR4/2-4) slightly gravelly silty clay; moderate fine and medium subangular blocky structure; hard, friable, sticky, plastic; few very fine, fine and medium roots; some fragments of weathered shale about 10% by volume; medium acid (field pH 6.0); gradual, smooth boundary. |
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Bt
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27-36/57
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Reddish brown (5YR4/3) very gravelly silty clay; moderate fine and medium subangular blocky structure; firm, sticky, plastic; patchy thin cutans on ped faces and in pores; few very fine roots; about 50% of fragments are shale weathered; medium acid (field pH 6.0); clear, wavy boundary. |
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Cr
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36/57+
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Layer of weathered shale. |
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