Sentences with phrase «ion microprobe»

Here we present ion microprobe measurements of the CO2 content of basaltic melt trapped in plagioclase crystals.

In situ Th - Pb ion microprobe dating of monazite inclusions in garnets allows direct assessment of the timing of amphibolite - grade.

The research team measured the water content in the inclusions using a state - of - the - art NanoSIMS 50L ion microprobe.

The ion microprobe was built to tackle this sort of problem.

In order to measure the proportions of the oxygen isotopes in the zircons, the team, led by scientist Alexander Nemchin, used a device called an ion microprobe.

This shows secondary electron image of pits left by ion microprobe analyses of a heterogeneous apatite grain in Apollo sample 14321, 1047.

Researchers used a multicollector ion microprobe to study hydrogen - deuterium ratios in lunar rock and on Earth.

Using a Cameca NanoSIMS 50L multicollector ion microprobe at Carnegie, the researchers measured the amount of deuterium in the samples compared to the amount of regular hydrogen.

Specifically, they measured hydrogen and its isotope, deuterium (hydrogen with an extra neutron in its nucleus) with ion microprobes, which use a focused beam of ions to sputter ions from a small rock sample into a mass spectrometer.

SHRIMP's construction was originally advocated in 1973 by Bill Compston, a geochemist at the ANU, on the grounds that ion microprobes then commercially available were insufficiently sensitive for such work.

Not exact matches

The international scientific team, led by author Charles W. Kosman, used an electron microprobe, an infrared spectrometer and a secondary ion mass spectrometer to analyze these diamonds.