Message #30792

[Bianca]

Richard MacNeish, discussed earlier in connection with ancient dates, has made a study of early peoples in Peru published in SCIENTIFIC AMERICAN.  The Ayacucho valley high in the Andes of Peru has evidence of human occupation going back in unbroken sequencethat spans the millennium from 20,000BC to AD1500. 

There is a progression from early hunter, to farmer, to subject of imperial rule.  Deep in a cave, MacNeish found an assemblage of rather crude stone tools he called the Pacaicasa complex, after a nearby village.  The people who fashioned these distinctive tools occupied the Ayacucho valley from as much as 22,000 years ago to about 13,000 years ago.


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