Write the correct master horizon designation eg A E etc for

Write the correct master horizon designation (e.g. A, E, etc.) for the following description:

1) Horizon made up mostly of organic material

2) Subsurface horizon with illuvial accumulation of clay minerals

3) Surface mainly mineral horizon

4) Bedrock

5) Highly leached horizon

Solution

1.Organic material O

2.Illuvial accumulation Clay mineralsl B

3.mainly mineral horizon A

4.Bed Rock R

5.highly leached A2