Obsidian Blade Trade
Long-distance exchange of sharp volcanic glass blades and cores for cutting, surgery, craft work, status goods, and ritual use.
Core metadata
- ID: obsidian_blade_trade
- Era: Ancient
- First known date: -7500 (century)
- Region: Near East / Central Anatolia and Levant exchange networks
- Review status: source_checked
- Maturity: N/A
Prerequisites
Dependents
- None.
Fields
- None.
Node sources
- Obsidian Analyses and Prehistoric Near Eastern Trade: 7500 to 3500 BC (Liverpool University Press, 1969, textbook) • Supports: node
Locator: The study scope directly anchors Near Eastern obsidian trade to 7500-3500 BCE. - Sourcing obsidian from Neolithic Catalhoyuk (Turkey) (Archaeometry / Wiley, 2007, primary_paper) • Supports: node
Locator: Chemical sourcing of Catalhoyuk obsidian to Cappadocian sources supports long-distance obsidian exchange networks.
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 2
- Average edge confidence: 72%
- Prerequisite sources: 0
- expert_inference: 2
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Advanced Stone Tools (advanced_stone_tools) | historical_predecessor | 75% | expert_inference | Advanced Stone Tools is an earlier historical predecessor or foundation, not a one-to-one engineering dependency. | No sources recorded. |
| Trade Routes (trade_routes) | enabling | 68% | expert_inference | Trade Routes provides a capability that enables this technology without being the only possible path. | No sources recorded. |
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