Ch 14 Soil Classification Flashcards
list or identify the characteristics of the 12 soil orders and the formative elements for the 12 orders. (15 cards)
1
Q
Histic
A
Organic C and wet
2
Q
Mollic
A
Thick, dark A horizon
3
Q
Orchic
A
light colored A horizon
4
Q
Common Colorado Epipedons
A
Histic, Mollic and Orchic
5
Q
Albic
A
White colored E horizon
6
Q
Argillic
A
Bt horizon that contains high clay
7
Q
Calcic
A
accumulation of CaCO3
8
Q
Cambic
A
Bw horizon
9
Q
Duripan
A
dense, illuviated by silicate
10
Q
Fragipan
A
high Bd and low C
11
Q
Glossic
A
contains jagged boundary with adjacent horizon
12
Q
Kandic
A
horizon is dominated by kaolinite
13
Q
Natric
A
high sodium content
14
Q
Oxic
A
high in Fe, Al oxides. red in color
15
Q
Spodic
A
Bhs layer, illuvial accumulation of accumulation Fe, Al oxides and humus