Concentrations of 20 - 22 chemical elements were determined by instrumental neutron activation analysis in 121 samples of <1-mm fines from double drive tube 60009/10 (0.6 m length) and 353 samples of <1-mm fines from deep drill core 60001-7 (2.2 m length). Approximately 40 >1-mm regolith particles from each core were also studied. These two cores were taken 35 - 40 m apart at the LM/ALSEP site during the Apollo 16 mission to the Central Highlands of the Moon. The author emphasizes the stratigraphic features of the cores and compares the new results with those of previous works, particularly earlier petrographic and geochemical studies.
Lunar and Planetary Science Conference Proceedings
- Pub Date:
- Lunar Soil;
- Apollo 16 Flight;
- Chemical Elements;
- Lunar and Planetary Exploration