Originally Posted by WalkGood
I am ignorant, being I live on a gianormous sand bar. What is decomposed granite? Any different than plain old granite?
"Decomposed granite, known as DG for short as a building material, is granite rock that has eroded into smaller coarse or tiny gravel over millions of years. Decomposed granite is often mixed with cement to form a certain type of concrete." -wikipedia.
Granite is tough, but at least it bust off in chunks.