Sentence examples for age determination from inspiring English sources

Three different approaches were used to determine 40Ar/39Ar ages and illustrate the sensitivity of age determination to the choice of trapped (40Ar/36Ar t.

Tephrochronology, method of age determination that makes use of layers of ash (tephra).

(For a detailed discussion of radiocarbon age determination, see below Carbon-14 dating and other cosmogenic methods).

On March 4 , 1947 Libby and his students obtained the first age determination using the carbon-14 dating technique.

It helped develop improved mental health screening policies, age determination testing, and reviewed the department's protocol on suicide and self harm in detention.

Helium dating, method of age determination that depends on the production of helium during the decay of the radioactive isotopes uranium-235, uranium-238, and thorium-232.

Fission-track dating, method of age determination that makes use of the damage done by the spontaneous fission of uranium-238, the most abundant isotope of uranium.

Fig. 9 Crater count-based model age determination.

(d) Inverse isochrons of Ar-Ar age determination from A1.

The age determination of a star is one of the most complex issues in stellar astrophysics.

Some tephras contain specific minerals that can be used for absolute age determination.