Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded. Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar.
The Bronze Age Timeline. Timeline Description: The Bronze Age was a period of time between the Stone Age and the Iron Age when bronze was used widely to make tools, weapons, and other implements. Bronze is made when copper is heated and mixed with tin, creating a stronger metal than copper.
10 most extreme places on Earth. The Bronze Age refers to a period of time in prehistoric societies where metallurgy had advanced to the point of making bronze â an alloy of tin and copper â from natural ores, but not yet to the point of the systematic production of iron (the Iron Age).