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jmccr8

worlds oldest water well

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jmccr8

A

filled prehistoric water well discovered at the village

of

San Marcos Necoxtla, Puebla,Mexico, may be the oldest directly dated water-management feature in the Americas.The -10 m stratigraphic section exposed at this remarkable site records 18,000+ yr

of

deposition, erosion, water-table and hydrochemical fluctuations, and

10,000

yr ofcontinual occupation. Temporal control

is

afforded by a multicomponent cultural chronol-ogy and radiocarbon assays by conventional and experimental techniques. The 0 mwide,

-5

m deep well was excavated, utilized, maintained, and filled with culturalmaterial between <9863 and P.5950 yr

B.P.

span

of

<3913 yr. Ages of other reportedLate Pleistocene ?)

to

Middle Holocene wells

in

the New World are based on indirect

or

questionable dating, or are 56600 yr. 

https://www.academia.edu/20531452/A_late_paleo-Indian_Early_archaic_water_well_in_Mexico_Possible_oldest_water-Management_feature_in_the_new_world?email_work_card=view-paper

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lightly

Awesome !        Thanks j 

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