Liste des Groupes | Revenir à col misc |
On Sun, 3 Nov 2024 20:59:45 -0000 (UTC), Lawrence D'Oliveiro wrote:Bronze needs tin, and there might not have been much around.
That level of technology is called “chalcolithic”. That is, they mainlyhttps://en.wikipedia.org/wiki/Metallurgy_in_pre-Columbian_Mesoamerica
use fine stone tools, but they have also found a limited use for copper,
which can be found lying around pure in some places, is easily workable
but too soft to do much with. And they haven’t yet developed smelting
technology to extract metals from ores and create harder alloys out of
them, like bronze.
South and Central America advanced beyond hammering out found copper.
There isn't much evidence in North America.
Les messages affichés proviennent d'usenet.