These are often characterised as the norm, rather than the exception.
I thought it would be useful to present an example where the geology is simple, and unsurprisingly, the method does work well, to show the quality of data that would have to be invalidated before a major revision of the geologic time scale could be accepted by conventional scientists.
When archaeologists talk about dating, they aren’t talking about who they took out to dinner last night.
Instead archaeologists are talking about how they find out the age of the artifacts and sites they study.
The combination of these two types of geologic ages makes a complete record of earth's geologic history in terms of the order of events and in terms of how many years ago each event occurred.
Correlation techniques are locally useful and depend on recognition of an event whose age is known, such as a volcanic eruption or a paleomagnetic reversal.Carbon dating, or radiocarbon dating, is one very common method that archaeologists use, but it’s not the only one.In Archaeology there are two types of dating: Absolute Dating and Relative Dating Absolute dating gives you a date for how old something is, or how long ago it happened, like 650 years ago.Absolute geologic age refers to how long ago a geologic event occurred or a rock formed, in numeric terms, such as 65.5 million years ago.Some rocks and minerals can have their absolute age directly measured by analyzing the ratios of certain radioactive and non-radioactive isotopes they contain.