Asphalt is similar to concrete, both materials are largely comprised of aggregate, sand, and a cohesive binder. In the case of concrete, the binder is cement. By comparison though, in the case of asphalt the binder is a petroleum-based type of material bitumen material similar to tar.
The pictures below showed two examples of asphalt paving in Washington DC at a parking lot. 
In this case the bitumen cohesive surface of the asphalt has faded and worn to some extent and the aggregate component of the asphalt is clearly visible.
