Relative dating wiki
This rare form of preservation reserves life form with some tissue or skin intact.
The specimen that are preserved this way are very fragile.
Using "0 days before/after today" means current date.
Relative dating is a dating method that used to determine determine the relative ages of geologic strata, artifacts, historical events, etc.
Hutton, a Scottish geologist, first proposed formally the fundamental principle used to classify rocks according to their relative ages.
He concluded, after studying rocks at many outcrops, that each layer represented a specific interval of geologic time.
This technique is useful to about 9,000 years ago for samples from the western United States using overlapping tree-ring series from living and dead wood.
Fossils is an identification event which rotates with Rocks and Minerals every two years.
It includes identifying various fossilized animals and plants, providing details about these creatures such as the environment it lived in, its mode of life, how it formed, etc., and answering questions on general paleontology.
To start create a new rule for a segment and choose a date field like Sign-up date or some custom date field (you can only use full date fields, birthday fields are not supported).
Next check the radio button for "Use relative range match" and set the start and end values for the range.