| 1. | The isotopic composition of ikaite and the pseudomorphs is actively studied.
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| 2. | Obviously ?M is depends on the precise isotopic composition for a given molecule.
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| 3. | isotopic compositions which are common with Martian composition, and differ from Earth compositions.
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| 4. | Siderite is commonly found in isotopic composition of meteoric water shortly after deposition.
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| 5. | Hence the isotopic composition of lithium can vary somewhat depending on its source.
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| 6. | Soon thereafter, Alfred Nier reported natural variation in the isotopic composition of carbon.
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| 7. | The isotopic compositions for which this effect is predicted are called resonance isotopic compositions.
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| 8. | Anderson developed an alternative model of the mineralogical and isotopic composition of the mantle.
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| 9. | The isotopic compositions for which this effect is predicted are called resonance isotopic compositions.
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| 10. | Analysis of Ne in some meteorites showed that they had a widely variable isotopic composition.
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