obsidian hydration dating वाक्य

उदाहरण वाक्य

1. Obsidian hydration dating was introduced in 1960 by Irving Friedman and Robert Smith of the United States Geological Survey.
2. Modern archaeologists have developed a relative dating system, obsidian hydration dating, to calculate the age of obsidian artifacts.
3. Obsidian hydration dating was introduced in 1960 by Irving Friedman and Robert Smith of the U . S . Geological Survey.
4. Obsidian hydration dating is a geochemical method of determining age in either absolute or relative terms of an artifact made of obsidian.
5. Obsidian hydration dating is a type of dating that uses the weathering rind that develops within artifacts or gravel that are composed of obsidian.
6. The use of Secondary ion mass spectrometry ( SIMS ) in the measurement of obsidian hydration dating was introduced by two independent research teams in 2002.