Does thermoluminescence dating
Even within the known history of the area, the only humans to inhabit the region were nomads whose lifestyle would not leave any such structures behind.
The state-run news agency Xinhua in China reported on the pyramid, the pipes, and the research began by a team scientists sent to investigate in 2002.
but scientific means must be employed to prove whether or not it is true.” Another theory is that it was built by prehistoric humans with techniques lost to humans of a later period.
The pipes lead into a salty lake, though a twin lake nearby contains freshwater.
But I was looking for activity in china about 12,000 years ago.... 12,000 years ago, it was agricultural state..150,000 years ago, it was high industry..not say any more....thanks Looking at various sites that deal with other 'pipes' in sandstone, there appears to be a natural explanation for these I am afraid...
Navajo "Pipes" Natural concretionary pipe-like features, which are quite similar to the Baigong Pipes, occur in the Navajo Sandstone and other sandstones of Southwestern United States in the form of hematite "pipes".
The dating was done using thermoluminescence, a technique that determines how long ago crystalline mineral was exposed to sunlight or heated.
Humans are only thought to have inhabited the region for the past 30,000 years.
The strangest part is that they may be about 150,000 years old.Others have said iron sediments may have washed into the fissures, carried with water during floods.