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Showing 1 to 1 of 1 for “"Late Heavy Bombardment"”.
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U-Th-Pb AGES OF HIGH-GRADE METAMORPHISM RECORDED IN POLYMICT EUCRITE LEWIS CLIFF (LEW) 85300
… of this apparent increase in impact rate (the ‘late heavy bombardment’ or LHB) are well preserved in asteroidal materials such as the howardite-eucrite-diogenite (HED) suite of meteorites thought to originate from asteroid 4-Vesta or compositionally similar asteroidal material referred to as …