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

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2
Q

Mollic

A

Thick, dark A horizon

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3
Q

Orchic

A

light colored A horizon

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4
Q

Common Colorado Epipedons

A

Histic, Mollic and Orchic

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5
Q

Albic

A

White colored E horizon

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6
Q

Argillic

A

Bt horizon that contains high clay

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7
Q

Calcic

A

accumulation of CaCO3

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8
Q

Cambic

A

Bw horizon

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9
Q

Duripan

A

dense, illuviated by silicate

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10
Q

Fragipan

A

high Bd and low C

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11
Q

Glossic

A

contains jagged boundary with adjacent horizon

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12
Q

Kandic

A

horizon is dominated by kaolinite

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13
Q

Natric

A

high sodium content

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14
Q

Oxic

A

high in Fe, Al oxides. red in color

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15
Q

Spodic

A

Bhs layer, illuvial accumulation of accumulation Fe, Al oxides and humus

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