Exercise 6 radioisotopic dating techniques

Office: 211 Heller Hall Phone: 726-6582 (Office), 391-5320 (Cell) E-mail: [email protected]: Section 002: Mon, - pm, HH114 Section 003: Tue, - pm, HH114 Section 004: Tue, - am, HH114 Teaching Asst: Sarah Sauer, MS Grad Student Undergrad Asst: Kate Wehrs TA Office: 112 Heller Hall Office Hours: M -, Th -, or by appt.

Susie Welch, recently retired outreach coordinator at the New Mexico Bureau of Geology, was recognized by Governor Susana Martinez for outstanding accomplishments and invaluable contributions to the state of New Mexico.

Ice cores provide important records of past climate conditions because the chemical composition of the ice reveals past temperature, and tiny bubbles of air trapped between ice crystals can reveal past atmospheric composition.

The volcanic ash can be dated using a technique called Potassium-Argon (K-Ar) geochronology.

It is these highly consistent and reliable samples, rather than the tricky ones, that have to be falsified for "young Earth" theories to have any scientific plausibility, not to mention the need to falsify huge amounts of evidence from other techniques.