| 1. | Below this layer, there is a subsoil of yellowish-red silty clay loam.
|
| 2. | The soil in lake area is silty clay loam to clay loam.
|
| 3. | Black oak grows best on well drained, silty clay to loam soils.
|
| 4. | The Trimmers Rock Formation contains sandstone, siltstone, silt shale, and silty clay shale.
|
| 5. | Below the subsoil is a layer of mixed gravel and silty clay loam.
|
| 6. | Sediments on the East Tasman Plateau start with silty clay from Maastrichtian to Eocene.
|
| 7. | These are : Kabacan Clay, Kudarangan Clay, San Manuel Silty Clay Loam and Hydrosol.
|
| 8. | The neotropical loess is made of silt or silty clay.
|
| 9. | The subsoil is mottled, brown, silty clay loam with cobbles and extends to underground.
|
| 10. | San Manuel Silty Clay Loam is located at barangays Upper Labas, Nalin and portions of barangay Villarica.
|