Mysteries of Earth - Analyzing Soil and Its 5 Horizons YouTube Lecture Handouts
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Mysteries of Earth - Analyzing Soil and its 5 Horizons
Letter | Distinction | Letter | Distinction |
---|---|---|---|
a | Organic matter, highly decomposed | b | Buried soil horizon |
c | Concretions or nodules | d | Dense unconsolidated materials |
e | Organic matter, intermediate decomposition | f | Frozen soil |
g | Strong gleying (mottling) | h | Illuvial accumulation of organic matter |
i | Organic matter, slightly decomposed | j | Jarosite (yellow sulfate mineral) |
jj | Cryoturbation (frost churning) | k | Accumulation of carbonates |
m | Cementation or Induration | n | Accumulation of sodium |
o | Accumulation of Fe and Al oxides | p | Plowing or other disturbance |
q | Illuvial organic matter and Fe and Al oxides | r | Weathered or soft bedrock |
s | Accumulation of silica | ss | Slickensides (shiny clay wedges) |
t | Accumulation of silicate clays | u | Presence of human-manufactured materials (artifacts) |
v | Plinthite (high iron, red material) | w | Distinctive color or structure without clay accumulation |
x | Fragipan (high bulk density, brittle) | y | Accumulation of gypsum |
z | Accumulation of soluble salts |
✍ Manishika