Example chronometric dating technique


In the Southwest, and particularly in CRM, there are several defined types of survey: Remote Sensing: Remote sensing in archeology employs a wide variety of aerial and satellite imaging, as well as radar, sonar and lidar, to build landscape images useful for recognizing archeological materials not visible to ground crews.Many remote sensing techniques rely on portions of the electromagnetic spectrum, such as infrared, that humans are typically unable to see.Among the most useful chronometric dating techniques are radiocarbon dating, potassium argon dating, and thermoluminescence dating.Dendrochronology, the relationship of dated ancient trees with live trees has no CATEGORY: technique DEFINITION: The use of various methods, often multiple methods, to demonstrate the equivalency of stratigraphic units.

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Scientists first developed absolute dating techniques at the end of the 19th century.Unformatted text preview: Half life of the isotope Half-life Examples of the chronometric dating techniques: Potassium – Argon Technique o 40 K à 40 Ar isotope Half-life of 1.25 billion years o Carbon-14 o 14 C is an isotope of 12 C o 14 N ßà 14 C 12 Anthropology 1001 Exam 2 Half –life of 14 C is 5,730 years Plate Tectonics The position of land masses are not constant, but change over time. North America and Europe were connected to one another by Greenland during Paleocene and Eocene.Helps to explain geographical distribution of early primates.During the Cenozoic Era, Africa was an island continent prior to 16 million years ago.At about 16 million years ago, Africa contacted Southwest Asia.Excavation: Archeologists excavate buried cultural remains to both gather information about past human behavior and to preserve and protect cultural resources from destruction, either from human or natural processes. Discussed below are the three major types of dating used in archeology – relative dating, chronometric dating, and absolute dating – and some of the more popular methods employed in each general category.

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