| 41. | The oldest crystal's geochemical properties offer a glimpse into Earth's early conditions.
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| 42. | During 1992, Curator continued exploration of Jualin and completed additional geochemical sampling and geophysical surveying.
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| 43. | There is a published geochemical atlas.
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| 44. | It requires a synthesis of geoneutrino experimental data with geochemical and geophysical models of the Earth.
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| 45. | A geochemical component called KREEP was discovered by Apollo 12, which has no known terrestrial counterpart.
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| 46. | Molecular hydrogen ( ), a geochemical source of energy that can be serpentinization of chondritic rock.
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| 47. | Rocks of the former group bear geochemical signatures implying island arc and back-arc basin provenance.
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| 48. | Most deep sea research projects did not carry out geochemical and biological studies at the same lcoations.
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| 49. | Major findings included a determination of the geochemical structure of the Hawaiian mantle plume [ 10 ].
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| 50. | Over the past 15 years the GSD has completed a number of modest geochemical and geological surveys.
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