Home erectus, Skull Peking Man T-Rex The slate is mainly used

The slate is mainly used for floor slabs and table tops

scientifically described fossil bones given to him by saltpeter miners found in a Monroe County cave in 1797

Acrocanthosaurus (meaning "high-spine lizard" because of the spikes growing out of its spine) was a fierce predator that was roughly 30-40 feet (9-12 m) long and weighed about 5

and Germany during the late Jurassic period

Few collectors can afford a real specimens like this because they sell for hundreds of dollars

Home erectus, Skull Peking Man T-Rex The slate is mainly usedHomo erectus Skull Peking Man 80,000 to 680,000 Years. Peking Man, Homo erectus pekinensis (formerly known by the junior synonym Sinanthropus pekinensis), is an example of Homo erectus. Discovered in 192327 during excavations at Zhoukoudian near Beijing (written "Peking" China. New 26Al 10Be dating suggests they are in the range of 680,000780,000 years old. Between 1929 and 1937, 15 partial crania, 11 mandibles, many teeth, some skeletal bones and