Physics
Scientific paper
Oct 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974lssf.nasa...69v&link_type=abstract
"In its Lunar Soil from the Sea of Fertility (NASA-TT-F-15881) p 69-73 (SEE N75-11814 02-91) Transl. into ENGLISH from the book
Physics
Density (Mass/Volume), Granular Materials, Lunar Rocks, Porosity, Gabbro, Lunar Geology, Lunar Maria, Lunar Soil, Lunik 16 Lunar Probe, Selenology
Scientific paper
Three fragments of holocrystalline igneous rocks of the gabbro type, weighing 30 to 50 mg each, were investigated. The density of the fragments was established with a mercury pycnometer and was found to be 3.05 to 3.12 g/cu cm, with a relative error not more than 2 percent. The porosity was found for the difference between the volumes determined with the mercury and with the gas techniques; for all three samples together it was 13 percent, and the error of determination was 70 percent owing to the small volumes. It can be anticipated that the porosity of the rock in bulk will be higher than the value obtained based on small fragments. The porosity of lunar rocks can markedly affect the isostatic distribution of rocks and must be taken into account when developing models of lunar structure.
Florenskiy K. P.
Ivanov Alexei V.
Volynets V. F.
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