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Where did the word soil come from
Solum meaning floor
What spheres are the pedoshpheres made up of
biosphere, atmosphere, hydrosphere, lithosphere
What is soil made out of
ergo matter, air, water, and minerals
urban soils
man-made soils that have lots of contamination
agriculture
plaggen soils that adds organic matter that uses manure
subaqueous soils
underwater soils
Ecosystem services of soils
Provisioning, Cultural, regulating, and supporting
Landscape
A picture of land using soil survey
Pedon
a 3-D cut of soil
soil profile
a 2-D description of peon
Soil horizon
layers of soil horizontally
O horizon
surface and not true soil
A horizon
Fertile soil and organic matter
E horizon
sandy and zone of eluviation
B horizon
zone of accumulation and illuviation
C horizon
weathered material and rocks
R horizon
Rocks
Soil Color shows what?
age, water content, redox
Soil Color- Hue
Color wheel
Soil Color- Value
lightness and darkness
Soil Color- Chroma
Intensity of color
Soil Structure in A Hor
Single grain
Granular
Soil Structure in Bhor
Blocky
Prismatic
Soil Structure in E hor
Platy
Soil Structure in C hor
Massive
What is soil without structure?
single grained
Soil Consistency
Loose
Friable
Frim
Extremely Firm
What is Fizz Test
Test for Carbonate (CaCO3)
Soil Survey
Mapping and tables with properties of soil
Map Unit AND?
shows proprieties and hazards
AOI
area of interest is the area of soil that wants to be mapped and studied
Parent Material
geological substance that the soil comes from
C
Parent material transportation
Water, wind, gravity, ice
Eight elements that make up most materials on earth
Oxygen
Silicone
Alumninunm
Sodium
Potassium
Iodine
calcium
magnesium
Minerals define
Minerals are solid chemicals structures
What are silicate
contains SiO which are the most common on earth
What is Rock
Minerals stuck together R
igneous rock
forms from magma being cooled
Ex:Granite
Sedimentary Rocks
consolidated with water and wind (forming together)
Metamorphic rock
heat or pressure (no melting)
Ex: Gneiss
Geological time vs soil time
rocks and minerals formed at a certain point and can be traced back
What does pH have to do with weathering
Lower the pH, the more resistant the mineral is to weathering