Problems dating metamorphic rocks

Each original isotope, called the parent, gradually decays to form a new isotope, called the daughter.

Each isotope is identified with what is called a ‘mass number’.

Age control is vitally important in geological, petrogenetic, tectonic and geomorphological studies and for stratigraphic correlations.

Thus, a precise measurement of the Sr ratio in a modern volcano can be used to determine age if recycled older crust is present.

A ratio for average continental crust of about 0.72 has been determined by measuring strontium from clamshells from the major river systems.

Sr) was the first widely used dating system that utilized the isochron method.

Rubidium is a relatively abundant trace element in Earth’s crust and can be found in many common rock-forming minerals in which it substitutes for the major element .

Search for problems dating metamorphic rocks:

problems dating metamorphic rocks-10problems dating metamorphic rocks-76

For example, the site cannot determine your email name unless you choose to type it.

Leave a Reply

Your email address will not be published. Required fields are marked *

One thought on “problems dating metamorphic rocks”

  1. Categories: Food | Travel | Beer | Wine | Boston | Humor | TV | Tech | Pop Culture | Politics | Golf | Video | Photo | Auto Sponsored: Samsung | Cadillac | Volt | GMC | AT&T | Gear List: Cameras, Lights, Microphones, etc.