Archaeomagnetic dating example

For each dating or chronological method there is a link in the box at right to take you to that section of this page.

archaeomagnetic dating example-75

An example are assemblages of pottery sherds each including roughly the same range of types though in different proportions.

Flinders Petrie excavated at Diospolis Parva in Egypt in the late nineteenth century.

You might imagine the magnetic field is a timeless, constant aspect of life on Earth, and to some extent you would be right. Every so often – on the order of several hundred thousand years or so – the magnetic field has flipped. And when the field flips it also tends to become very weak.

What currently has geophysicists like us abuzz is the realization that the strength of Earth’s magnetic field has been decreasing for the last 160 years at an alarming rate.

Occasionally sites are partially or completely excavated to address specific research questions or to salvage information prior to disturbance by a development project.

All data recovered are thoroughly analyzed following scientific inquiry procedures before conclusions are reached.

Overview of Methods Superposition Stratigraphy Dendrochronology Radiocarbon C14 Radiometric Dating Methods Obsidian Hydration Dating Paleomagnetic/Archaeomagnetic Luminescence Dating Methods Amino Acid Racemization Fission-track Dating Ice Cores Varves Pollens Corals Cation Ratio Fluorine Dating Patination Oxidizable Carbon Ratio Electron Spin Resonance Cosmic-ray Exposure Dating This is an excellent overview of dating methodologies, and is a chapter in a textbook on Archaeology.

You may find it useful for the clear definitions, and for excellent links on a variety of topic.

The spectacle of the northern lights might appear at different latitudes.

Tags: , ,