|91. Interaction networks of the Ravi Phase c. 3300-2800 BC.|
Arrows extend from Harappa to likely source areas for raw materials such as agate, lapis lazuli, steatite, marine shell and copper. These raw materials were transformed into ornaments and tools at Harappa for local trade.
The Ravi Phase denotes a newly discovered early phase of Indus culture (c. 3300-2800 BC, see the Timeline.)
[An easily printed list of all captions is available.]
[The first 90 Slides, a more general introduction to the ancient Indus, are elsewhere on this site.]