A fine-grained oval 5 x 7 mm inclusion (designated ALD-03) from the Allende meteorite was analyzed. A delta D value of -75 per mil was determined which may characterize the composition of hydrogen in other silicate and ...
The paper reports on a study of the so-called dark inclusions in carbonaceous chondrites in order to accumulate experimental data on meteorite components, the scale of oxygen-isotope fractionation in cosmic processes, and ...