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12 Cards in this Set
- Front
- Back
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What is a p sub-horizon |
A horizon that has undergone ploughing or cultivation |
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What is the h sub-horizon |
A horizon that has no evidence of ploughing or cultivation |
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What is the w sub-horizon |
B horizon. weathered, shows alteration in colour or structure |
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What is the f sub-horizon |
B horizon.concentration of iron oxides resulting from periodic oxidizing and reducing conditions |
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What is the g sub-horizon |
B horizon.concentration of iron oxides resulting from strong periodic oxidizing and reducing conditions, gleying occurs |
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What is the r sub-horizon |
B horizon.greyish colours formed from prolonged water logging |
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What is the fm sub-horizon |
B horizon.iron pan. sharply defined, <1cm thick, black to reddish brown |
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What is the s sub-horizon |
B horizon. enriched with iron & aluminium sesquoxides tranlocated from overlying horizons |
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What is the h sub-horizon |
B horizon. accumulation of o.m |
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What is the k sub-horizon |
B horizon. accumulation of secondary carbonate. white powdery appearance |
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What is the t sub-horizon |
B horizon. accumulation of translocted clay |
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What is the x sub-horizon |
B horizon. frangipan, massive, compact, very hard with high bulk density |
