NASA NTRS · 19770051810
Stratigraphy in Apollo 16 drill section 60002
Abstract
Contacts in drill stem 60002 which indicate layers at least several centimeters thick and with one firm age of about 2.5 x 10 to the 7th yr are observed on the basis of characteristic patterns of track density variation with depth from the contact. The patterns can be observed primarily because the drill stem has a large immature component (path II soils).
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Blanford, G. E., Morrison, D. A.. 1976-01-01. Stratigraphy in Apollo 16 drill section 60002. https://ntrs.nasa.gov/citations/19770051810
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