Colors
The E Horizon is commonly what color or colors?
White or very light tan
The R-Horizon is made of:
Solid Rock
This Horizon is the closest to your feet
O-Horizon
What are the vertical soil "leaks" of white clays in the E-Horizon into the B-Horizon called?
Slickenslides
True or False - Horizons are equal in size and are straight across in the soil profiles.
False
If there is a massive amount of organic matter in a soil, what color will it be?
The C Horizon is made of:
Large Rocks from parent material
This horizon is the closest to the center of the earth
R-Horizon
What is an example of a Macro-fauna in soil?
Gopher, rat, badger, mole, shrew, etc.
True
If a soil has a large iron content, what color would you see?
Red or Bright Orange
The O-horizon is made of:
Decomposing leaves, wood, and other organic material.
This Horizon is directly under the first horizon
A-Horizon
What is the difference between dirt and soil?
Soil is living. Dirt is Dead.
True or False - The E horizon is ALWAYS found in soils
False
Compare the colors of the B-Horizon and the C-Horizon?
The B-Horizon is darker than the C-Horizon
The B-Horizon has grey and red colors from Clays/Irons from the E-Horizon
The A-Horizon is made from:
This horizon is a only found in very old soils
E-Horizon
What does it mean when soil "weathers"
List the order of the soil profile from top to bottom
O/A/E/B/C/R
Compare the color of the O-Horizon to the color of the C-Horizon and why.
O-Horizon is darker than the C-Horizon due to the high organic matter in the O-Horizon. C-Horizon is lighter because it has less access to organic matter.
The B-Horizon is made of:
More weathered rock from the C-Horizon and composted organic material from the A-Horizon.
This Horizon is comprised of weathered parent material
C-horizon
Humus
R/C/B/E/A/O