ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-14
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Very dark grayish brown (10YR3/2) clay; coarse and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; some quartzite and sandstone fragments (?1-5 cm); many medium and common fine roots; medium acid (field pH 6.0); gradual, smooth boundary. |
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Bss1
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14-26
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Dark brown (7.5YR4/4) clay; coarse and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; intersecting slickensides; common fine and medium roots; medium acid (field pH 6.0) gradual, smooth boundary |
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Bss2
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26-43
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yellowish brown (10YR5/6) clay; weak fine and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; intersecting slickensides; few ironstone nodules; common fine and medium roots; slightly acid (field pH 6.5); clear, smooth boundary. |
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Bss3
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43-61
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Yellowish brown (10YR5/6) clay; common fine faint light brownish gray mottles; weak medium subangular blocky structure; consistence as above; intersecting slickensides; very few ironstone nodules; few fine roots; slightly acid (field pH 6.5); clear, smooth boundary. |
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BCk
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61-89
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Yellowish brown (10YR5/6) clay; subangular blocky structure; consistence as above; about 7% CaCO3 nodules by volume; few fine roots; neutral (field pH 7.0); clear, smooth boundary. |
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Ck1
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89-100
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Yellowish brown (10YR5/8) clay; common medium faint light brownish gray mottles; subangular blocky structure; about 10% CaCO3 nodules by volume; moderately alkaline (field pH 8.0); clear, smooth boundary. |
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Ck2
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100+
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Yellowish brown (10YR5/6) clay; common medium faint light brownish gray mottles; subangular blocky structure; about 30% CaCO3 nodules by volume; moderately alkaline (field pH 8.0). |
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