Microanalysis of impactors of the earth and impact products from the moon : the origin and evolution of micrometeorites, and tracking bombardment history through chemical and radioisotopic memories of lunar impact spherules
This thesis consists of two topics, the study of terrestrially-collected micrometeorites and lunar impact spherules. The purpose of the first project was primarily method development, although a study of micrometeorite petrography, chemistry, atmospheric alteration, and potential origin ensued. A classification system was developed with a focus on transitional internal textures to highlight the sequence of alteration occurring during atmospheric heating. Micrometeorite composition was used to...[Show more]
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