Silicate spherules in sample of regolith returned by Lunar 16 automatic station

Details Silicate spherules in sample of regolith returned by Lunar 16 automatic station Silicate spherules in sample of regolith returned by Lunar 16 automatic station

Oct 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974lssf.nasa..166i&link_type=abstract

"In its Lunar Soil from the Sea of Fertilty (NAASA-TT-F-15881) p 166-173 (SEE N75-11814 02-91) Transl. into ENGLISH from the boo

Computer Science

Granular Materials, Lunar Soil, Particle Size Distribution, Spherules, Amorphous Materials, Fusion (Melting), Lunar Maria, Lunar Surface, Lunik 16 Lunar Probe, Silicates

Scientific paper

The content of spherical fused particles in Sea of Fertility regolith increases with decrease in particle size and varies from 1 to 2 percent in the relatively coarse fractions to 3 to 4 percent in the fine fractions. Among the spherical formations was noted a wide diversity of shapes, and the most common are particles that are similar in shape to a regular sphere, which indicates the acquisition of shape in the liquid phase under the action of surface tension. As to color, the most common are the black and dark colored particles. No regularities of any kind were noted in the distribution of spherical particles by core zones. The considerable difference of the granulometric characteristics of the spherical particles and the regolith as a whole indicates that the formation of regolith particles and the spherules included in its composition occurred as the result of different, even though possibly simultaneous, processes.

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