Hardpan is found in the A Horizon.
Caliche soil is a result of aged desert soils. As the soil ages they tend to form a calcium carbonate-rich hardpan horizon.
the horizon that contains topsoil is the A HORIZON
The c horizon
The A horizon.
Subsoil
Caliche soil is a result of aged desert soils. As the soil ages they tend to form a calcium carbonate-rich hardpan horizon.
the horizon that contains topsoil is the A HORIZON
Sandy, sandy loam. Regosol. gypsic or calcic B horizon hardpan typical of the soil.
The c horizon
the A Horizon
A-Horizon
The A horizon.
B-horizon
Subsoil
The O horizon contains the most organic matter. The O horizon overlies the A horizon which is known as the mineral horizon. O - organic A - mineral E - elluviation B - illuviation C - parent material R - bedrock This is the order in which you will see standard soil horizons.
The C and R horizon
The C horizon contains only party weathered rock.