Sand Beach, Maine
Sand Beach is comprised of fine-grained sand while other Maine beaches that are open to waves and storms consist of pebbles, cobbles and boulders. In contrast to the mixed marine and geological...
Sally’s Cove, Newfoundland
The west coast of Newfoundland with its 550-million-year-old volcanic and sedimentary rock is home to some of the oldest rocks in the world. This area is a visible example of the obduction process...
Wailea Beach
The sand is composed of a mixture of biogenic and volcanic grains. The biogenic marine grains are smoothly rounded as a result of the famous strong winds and waves of Maui...
Bay of Banderas
Beach sand from the Bay of Banderas is a variable mixture of colorful sand grains mostly 1 millimeter or less in size with angular edges geologically indicative of relatively young sand...