With only minor indications of fossil occurrence (mainly in the form of algal stromatolites), no effective method of quantifying this loosely constructed chronology existed until the discovery of radioactivity enabled dating procedures to be applied directly to the rocks in question.
Of course, several other potential chronologies exist, and given the possibility that multiple strains may have once carried such a plasmid and since lost it this analysis may be lacking.
It's up to the reader to decide the chronology, if it exists.
Confusion exists regarding the chronology of Patrick's life, and it is seriously contended that tradition came to merge the experience of two men, the continental Palladius and the Patrick of the Confessio.
But no firmly documented chronology of rulers, reigns and conquests -- of the sort that exists for ancient Egypt and Mesopotamia -- actually goes back beyond 841 B.C. "This has been a major regret for Chinese history and world history," said Li Xueqin, a prominent historian, today at a news conference to disclose the results of the project.
Time is a 'human invention rendering chaos intelligible,' rather than 'something that exists in itself.' Among the various notions of time, chronology and periodization are the most closely connected with organizing of our past.
The resemblances between above described Tyrol chronology and Schwarzensee manifest among other things in the strong connection that for both exists between latewood maximum density measurements and August–September mean temperature values (Esper et al., 2007).
In the book Megan's narrative seems to exist outside normal chronology.
Similar records of other periods and regions exist, and a relative chronology may be established.
