Rocks containing these and other basic minerals weather into sands, silts, and clays. With the addition of humus (plant and animal remains) loams or topsoils are produced.
Loam soils vary; clay loam is suited to wheat; loam to corn; sandy loam to potatoes.
Loams are determined by the percentage of clays, sands, and silts.
These plates are siftings from the Sassafras Series near New Brunswick, New Jersey
These are loans from eastern New York State.
Rock particles are classified according to size as gravels, sands, silts, and clays. These sizes are regulated by International Agreement.
