Computer Science
Scientific paper
Oct 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974lssf.nasa..436a&link_type=abstract
"In its Lunar Soil from the Sea of Fertility (NASA-TT-F-15881) p 436-440 (SEE N75-11814 02-91) Transl. into ENGLISH from the bo
Computer Science
Chemical Composition, Granular Materials, Lunar Evolution, Lunar Soil, Barium, Lunar Maria, Lunar Surface, Lunik 16 Lunar Probe, Potassium, Rare Earth Elements, Rubidium, Strontium
Scientific paper
The Luna 16 automatic station returned from the Sea of Fertility a 35 cm long column of lunar surface material. 1 g of the Luna 16 lunar surface material, taken at a depth of 22 cm, consists of fine material: surface material and fine fragments of rocks from 1 to 4 mm in diameter. Analyses made on 17 mg of the fine lunar surface material are presented. The results obtained for the Luna 16 surface material are plotted on the diagram of the isotopic evolution of strontium and show that this surface material is most depleted of radiogenic Sr-87 of all the known lunar surface materials and that the point characterizing Lunar 16 lies somewhat to the right of the line corresponding to an age of 4.6 billion years.
Allègre Claude J.
Birck Jean-Louis
Loubet Michel
Provost Ariel
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