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.
The Chinese Bronze Age had begun by 1700 B.C. in the kingdom of the Shang dynasty along the banks of the Yellow River in northern China. At times the Shang kings ruled even larger areas. Contrary to common notions about the Chinese, the Bronze Age Chinese did not drink tea or eat rice.