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    Relative dating of rock layers worksheet

    Many of these organisms have left their remains as fossils in sedimentary rocks.

    Geologists have studied the order in which fossils appeared and disappeared through time and rocks. Fossils can help to match rocks of the same age, even when you find those rocks a long way apart.

    The method of reading the order is called stratigraphy (layers of rock are called strata).

    Relative dating does not provide actual numerical dates for the rocks.

    As the name implies, relative dating can tell which of the two artifacts is older.

    This is a method that does not find the age in years but is an effective technique to compare the ages of two or more artifacts, rocks or even sites.

    Photo by Phil Medina Volcanic time markers - a layer of volcanic dust covering layers.

    When a violent eruption of a volcano occurs it may send dust high into the atmosphere where it can spread over the entire planet.

    Dating is a technique used in archeology to ascertain the age of artifacts, fossils and other items considered to be valuable by archeologists.

    As the layers build up, they cement together to form sedimentary rocks.

    This has also helped them to know how old the earth is. This simply means that sediments are usually deposited in horizontal layers.

    For since the fathers fell asleep, all things continue as they were from the beginning of creation.” For this they willfully forget: that by the word of God the heavens were of old, and the earth standing out of water and in the water, by which the world that then existed perished, being flooded with water.

    Most scientists and many Christians believe that the radiometric dating methods prove that the earth is 4.5 billion years old.

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