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Method of dating ancient remains

method of dating ancient remains-27

This is an informational tour in which students gain a basic understanding of geologic time, the evidence for events in Earth’s history, relative and absolute dating techniques, and the significance of the Geologic Time Scale.

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An event is not any more intrinsically intelligible or unintelligible because of the pace at which it moves.An article on this subject was published this month in the journal Geology.The article is based on work carried out by graduate student Elisa J.Kagan of the Institute of Earth Sciences at the Hebrew University and on a report issued by the Geological Survey of Israel, a government research body.Stalactite caves retain a record of environmental conditions, including climate and the seepage of water through cracks in the earth.Photo in the stalactite cave near Beit Shemesh, Israel, shows a collapsed ceiling, evidence of an ancient destructive earthquake.

Note the stalactites that were growing prior to the collapse, as well as the stalagmites on top of the ceiling that began to grow only after the collapse.

Second, the maximum size of the remains of animals found was only a few centimeters, so we simply did not have enough materials for analysis.

Unique finds were preserved only because they were lying in caves of limestone, often at a temperature of about zero degrees, that is, they were not exposed to such destructive factors as heat, wind, and rain." Therefore, the researchers were only recently able to reconstruct the past and establish the age of ancient mammals.

Using this method, they discovered for the first time evidence of earthquakes that can be documented some distance from the Syrian-African rift that runs from Syria through Lebanon, Israel and Jordan and down into Africa.

This rift caused great shifts in the topography of the region in prehistoric times.

The samples with which we worked were discovered by the famous Siberian paleontologist Nikolai Ovodov in the 1980s in the Altai (Razboynichya Cave).