Sentence examples for the dates used from inspiring English sources

Before the use of mass spectrometry in isotopic geochronology, helium dating provided most of the dates used in the early geologic time scales.

And the dates used for other bird fossils, such as the oldest loons and ducks, are too old, he says.

As precise dates (in millions of years) are not available for these calibration points, the dates used are the most recent dates associated with the geological time intervals from which the fossils were collected.

The item number used was 30192; the dates used were 1994 2012.

Two recent publications have reported younger maximum ages for some of the islands (especially for Santa Maria) [ 18, 19] and while we recognize that there is uncertainty about the most appropriate ages to use, we regard the dates used herein as the best current estimates available for the maximum age of each island [ 9– 16].

The color of the cake depended entirely on the color of the dates used.

We calibrated the dates using the Fairbanks0107 curve as provided online at http://www.radiocarbon.ldeo.columbia.edu/ and described in Fairbanks et al. 2005 [63].

As distasteful details emerged about the dealings of the Prime Minister and his colleagues, the legitimacy of the date used to write the book was called into question.

Concerns were raised by Antonio Saldías (pen name Don Antonio de Petrel) regarding the appropriateness of the date used to celebrate the anniversary of Pichilemu, which commemorated the creation of the commune, on 21 December 1891, a date also used in the coat of arms.

Both James and Eanflæd celebrated Easter on the date used by the Roman church, which led to conflicts with Oswiu, who celebrated Easter on the date calculated by the Irish church.

The date used for classification of a positive culture was that of the first isolation.