Pedology
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Pedology
Pedologyaka
Soil Science
A section of soil extending
from the surface to the depth of root penetration of the deepest rooted plants
(about 5 ft)
SoilSoil
SoilSoilA collection of A collection of natural bodies of natural bodies of the earth’s the earth’s surface surface containing living containing living matter and matter and capable of capable of supporting supporting plants out-of-plants out-of-doors.doors.
Basic Soil Basic Soil CompositionComposition
How does soil form?
HH
Great Big Great Big Rocks!Rocks!
Great Big Great Big Rocks!Rocks!
Parent Parent MateriMaterialal
Great Big Great Big Rocks!Rocks!
Parent Parent MateriMaterialal
BedrocBedrockk
3 Basic Rock Types
Igneous Igneous RockRock
64% Quartz
64% Quartz 20% Feldspars
64% Quartz 20% Feldspars 7% Calcite
Half Dome Half Dome PeakPeakYosemite Yosemite
Mt. Mt. RushmoreRushmore
BasaltBasalt
BasaltBasalt
49% Quartz49% Quartz
BasaltBasalt
49% Quartz 20% 49% Quartz 20% FeldsparsFeldspars
BasaltBasalt
49% Quartz 20% 49% Quartz 20% Feldspars 15% CalciteFeldspars 15% Calcite
Pillow BasaltPillow Basalt
Giant’s Causeway, Northern Ireland
Fingal’Fingal’s s Cave,Cave,ScotlaScotlandnd
Sedimentary Sedimentary RockRock
SandstoneSandstone
SandstoneSandstone
94% Quartz94% Quartz
SandstoneSandstone
94% Quartz 2% Feldspars94% Quartz 2% Feldspars
SandstoneSandstone
94% Quartz 2% Feldspars 5% 94% Quartz 2% Feldspars 5% CalciteCalcite
LimestoneLimestone
LimestoneLimestone
7.5% Quartz7.5% Quartz
LimestoneLimestone
7.5% Quartz 0% Feldspars7.5% Quartz 0% Feldspars
LimestoneLimestone
7.5% Quartz 0% Feldspars 90% 7.5% Quartz 0% Feldspars 90% CalciteCalcite
The The WhiteWhiteDesertDesertEgyptEgypt
Hook ‘em
MetamorphiMetamorphic Rockc Rock
GneisGneisss
GreenschiGreenschistst
MarblMarblee
QuartzitQuartzitee
Factors of
Soil Formation
Parent Material
Parent MaterialTime
Parent MaterialTime
Climate
Parent MaterialTime
ClimateOrganisms
Parent MaterialTime
ClimateOrganismsTopography
Parent Material
Physical Weathering
andErosion
Thermal Stress
Cryofracturing
Pressure Release
Haloclasty
Wind
Water
Chemical and Biological
Weathering
Acidic Precipitatio
n
Root Wedging
Lichens
Time
Soil Horizon Development
How to Reset Your Soil to 0:00
How to Reset Your Soil to 0:00
How to Reset Your Soil to 0:00
Climate
Biota
Topography
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