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Apgl
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0-7
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Dark Grayish brown (10YR4/2) clay; many fine prominent yellowish red(5YR5/8) mottles along root channels; weak fine subangular blocky structure; extremely hard, very firm, very sticky, very plastic; many fibrous roots; very strongly acid (field pH4.5); clear, smooth boundary. |
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Apg2
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7-22
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Dark gray to very dark gray (10YR3-4/1); clay; common fine distinct yellowish brown (10YR5/6) mottles along cracks; weak coarse blocky structure; extremely hard, very firm, very sticky, very plastic; common fine roots; extremely acid (field pH4.0-4.5); gradual, smooth boundary. |
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Bssg
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22-40
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Very dark grayish brown (10YR3/2) or dark brown (7.5YR3/2) clay; common fine distinct strong brown (7.5YR5/8) mottles; massive; very firm, very sticky, very plastic; common fine roots; patchy organic matter coatings; medium decayed roots; patchy organic matter coatings; extremely acid (field pH 4.0-4.5); clear, wavy boundary. |
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Bssjg
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40-90
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Brown (7.5YR5/2) clay; many medium and coarse distinct strong brown(7.5YR5/8) mottles; many streaks of jarosite yellow (2.5YR8/6); massive; very firm, very sticky, very plastic; many medium decayed roots; patchy organic matter coatings; extremely acid (field pH 4.0); clear, wavy boundary. |
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BCg
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90-135
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Brown (7.5YR5/2) nearly ripe clay; few fine faint brown (7.5YR4/4) and distinct strong brown (7.5YR5/6) mottles; massive; very sticky, very plastic; many medium declay roots; very strongly acid (field pH 4.5); abrupt, irregular boundary. |
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Cg1
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135-250
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Gray (5Y5/1) half ripe clay; massive; very sticly, very plastic; very strongly acid (field pH 4.5) |
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Cg2
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250-350
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Gray (5Y5/1) unripe to nearly unripe clay; few decomposed plant residues; slightly acid (field pH 6.5) |
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