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Method of dating glass objects

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Relative dating is the science of determining the relative order of past events i. In geology, rock or superficial deposits , fossils and lithologies can be used to correlate one stratigraphic column with another. Prior to the discovery of radiometric dating in the early 20th century, which provided a means of absolute dating , archaeologists and geologists used relative dating to determine ages of materials. Though relative dating can only determine the sequential order in which a series of events occurred, not when they occurred, it remains a useful technique. Relative dating by biostratigraphy is the preferred method in paleontology and is, in some respects, more accurate.
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Conservation and restoration of glass objects

Method of dating glass objects
Method of dating glass objects
Method of dating glass objects
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Dating Techniques - humans, body, used, process, Earth, life, plants, form, energy

Sea glass can have romantic origins — it could come from old Victorian bottles or broken glass from a shipwreck. Most of the time it comes from modern day bottles. The motion of the waves and the grinding from stones and sand polishes each shard into a soft and jewel-like piece. Following up on my week in Venice , I had an old friend visit me here on the Isle of Man.
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Chronological dating

The history of glass-making dates back to at least 3, BC in Mesopotamia , however some claim they may have been producing copies of glass objects from Egypt. Development of glass technology in India may have begun in 1, BC. From across the former Roman Empire archaeologists have recovered glass objects that were used in domestic, industrial and funerary contexts. Anglo-Saxon glass has been found across England during archaeological excavations of both settlement and cemetery sites. Glass in the Anglo-Saxon period was used in the manufacture of a range of objects including vessels, beads, windows and was even used in jewelry.
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Although color is one of the more obvious and relatively easy to describe attributes of a historic bottle, it is unfortunately of limited utility in classifying a bottle as to age or type. Although classification by colour is simple to do, the end result is of little value for the following reasons: colour does not have a direct relation with glass type the common green, amber, and brown glass colours can occur in soda, potash, and lime glasses; many lead glasses are coloured ; colour is not related to the technology of glass object production i. Given these factors there is little justification for using colour as a means of classification. There is a very broad chronology of popularity of various colours over time; however that chronology cannot be applied to individual glass objects with any significant level of meaning Glass Color - How does it occur?
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