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- 2022-10-26
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Main point: Review the metallurgy in Peru's history
Paragraph 1:
- an abundance of pre-Columbian bronze, copper, and silver artifacts indicates that Peru was a center of metallurgy but no remnants of smelting furnaces were found to support that
- so Spaniards were thought to have been the first metallurgists in that region
- however, a new study shows that pre-Columbians were smelting before Spaniards, polluting a local lake 1000 years ago
Paragraph 2:
- metals extracted from ore in ancient furnaces -> floating debris settled in nearby water bodies
- a team withdrew sediments from local lake P to study
Paragraph 3:
- signs of smelting were detected in the sediments in A.D. 1000, early smelting produced copper & bronze
- from A.D. 1450, smelting produced silver -> lead pollution in the lake
- after A.D. 1450: Inca reign -> European colonialism -> modern Peru
- missing ancient furnaces were probably destroyed by landslides
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