RESEARCH BASE

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

5 results for "jade"

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
W_4_20 Verified World Civilizations

W_4_20 — Olmec Civilization: Detailed Analysis

The Olmec civilization (c. 1500–400 BCE) of the tropical lowlands of the Gulf Coast of Mexico — primarily in the modern states of Veracruz and Tabasco — is widely regarded as the first major civilization of Mesoamerica a

Olmec San Lorenzo La Venta Tres Zapotes colossal heads Mesoamerica
U_3_03 Art, Music & Culture

U_3_03 — Ancient Jewelry, Adornment & Shell Bead Trade

Personal adornment is among the oldest archaeological markers of symbolic behavior, with the earliest known ornaments — perforated Nassarius shell beads from Blombos Cave, South Africa, and sites in North Africa and the

jewelry adornment shell beads Nassarius Blombos Cave amber
W_1_01 World Civilizations

W_1_01 — Olmec Civilization and Serpent-Jaguar Symbolism

The Olmec civilization (~1500–400 BCE), centered in the tropical lowlands of Mexico's Gulf Coast (modern Veracruz and Tabasco), is widely considered the "mother culture" of Mesoamerica — the civilization from which later

Olmec La Venta San Lorenzo Tres Zapotes colossal heads were-jaguar
W_2_03 World Civilizations

W_2_03 — Daoism and Chinese Alchemy

Daoism is one of the world's oldest continuous philosophical-religious traditions, originating in China by at least the 4th century BCE and likely much earlier. Its alchemical tradition encompasses both waidan (external

Daoism Taoism internal alchemy neidan waidan external alchemy