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Search 3,717 documents across 34 fields — every claim tier-rated by evidence
3,717 documents
34 sections
47,686 citations
34,596+ keywords indexed
4 evidence tiers
2 results for "Liangzhu"
E_2_07
Cataclysms & Chronology
E_2_07 — The 4.2 Kiloyear Event — Bronze Age Climate Catastrophe
The 4.2 kiloyear event (~2200 BCE) was a severe, century-scale aridification episode that constitutes one of the most significant abrupt climate changes of the Holocene. Identified through speleothem, marine sediment, an
4.2 kiloyear event
megadrought
Akkadian Empire collapse
Old Kingdom Egypt
Indus Valley decline
Liangzhu collapse
F_2_10 Verified
Lost Connections
F_2_10 — Jade Trade Networks — Mesoamerica, China, and New Zealand
Jade — a term covering two distinct minerals, nephrite (calcium-magnesium silicate, $\text{Ca}_2(\text{Mg,Fe})_5\text{Si}_8\text{O}_{22}(\text{OH})_2$) and jadeite (sodium-aluminum silicate, $\text{NaAlSi}_2\text{O}_6$)
jade
jadeite
nephrite
Mesoamerica
Maya
Olmec
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