absolute dates造句

Cave art was discovered in the 19th century, long before absolute dating was possible, and the antiquity of the art was much debated.
For use in absolute dating of archaeological sites, it is partially limited by the availability of a master reference chronology for the region concerned.
Because of uncertainty regarding the establishment date of the Satavahana kingdom, it is difficult to give absolute dates for the reigns of the Satavahana kings.
However, because earlier Corinthian pottery also suggests an establishment date for the Sanctuary somewhat thirty years after 630 BCE, the absolute date is uncertain.
Dutt said the committee hasn't really discussed an absolute date yet, but he thinks it shouldn't be too difficult to arrive at one.
It's difficult to find absolute dates in a sentence. 用absolute dates造句挺难的

In that case, he concluded, there may be " considerable uncertainties in the absolute dating of other planetary surfaces, such as Mars ."
The absolute dating of Sahand rocks indicates that this volcano has been sporadically active from 12 million years ago up to almost 0.14 million years ago.
While dendrochronology is often considered as an absolute dating method, it can also be used as a powerful tool in the relative dating of an archaeological site.
The absolute dates for the different periods are still under study and it is difficult to assign years to the Late Iron Age of central and southern Oman.
"There is no calendar date for which we have an absolute date of origin that is incontestable, even in astronomical terms, " he said.
After the so-called " dark age " between the fall of Babylon and the rise of the Kassite dynasty in Babylonia, absolute dating becomes less uncertain.
In general, a coin hoard vessel from Wermelskirchen, dating to 960, is referred to be the oldest vessel of the Pingsdorf Ware with an absolute date.
The fossil was first estimated to be between 700, 000 to 900, 000 years old determined on the basis of regional correlations and a series of absolute dates.
As the rate of hydration is determined by factors such as moisture content, temperature, and the chemical composition of the obsidian, this method cannot provide absolute dates.