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Dating of fossils sea levels

Dating of fossils sea levels

Date: October 19,, Source: Rice University; Summary: Scientists have discovered that Earth's sea level did not rise steadily when the planet's glaciers last. Sea level and coastal changes. This laurel leaf fossil, from the Isle of Wight, shows veins that are clearly visible. can measure their ages (for example, through radiocarbon dating techniques), we can build up a history of sea level changes.

Similarly, oysters Isognomon alatus attached to the rock lived near mean sea level and could be dated to accurately determine when local sea level was at that elevation. The coral Porites often forms a reef flat close to sea level. Dating of similar skeletal material in fossil reefs can give a fairly reliable measurement of sea level at the time the reef was active.