Radiometric dating means
In this period a number of comprehensive cosmogonies were proposed.
These were long on armchair speculation and short on substantive supporting evidence.
Many authors choose to present the history of a complex subject by breaking it up into major threads and following the history of each thread separately.
I have chosen instead to provide a chronology of significant works and their authors with a view to providing a sense of how perspectives on Geology changed over time.
In short, Genesis was an allegory and not literal history.
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Trees undergo spurts in growth in the spring and summer months while becoming somewhat dormant in the fall and winter months.
When a tree is cut down, these periods are exhibited in a cross section of the trunk in the form of rings.