Glass Fibers in Lunar Regolith Could Help Build Structures on the Moon universetoday storybywill
Schematic of the origins of diverse lunar glasses and the corresponding lunar activities. Credit: Laiquan Shen, R.Z. et al.
The team determined that impacts are the most active processes on the lunar surface, as they are “highly heterogeneous in both temporal and spatial scale” – i.e., impacts are an ongoing phenomenon, unlike volcanism and other geological activity that ended billions of years ago. By studying the diverse glasses in the 1.
“Compared with previous Apollo and Luna returned samples that are limited in narrow volcanism ages of 3.9-3.0 Ga and cover only about 4.4% of the lunar nearside surface, the CE-5 samples are collected from the youngest lunar region dated to 2.0 Ga and higher mid-high latitude, allowing the Moon to be studied in an extended spatiotemporal range. Preliminary characterizations show that the CE-5 samples are mature samples, but have a significantly lower glass content of 8.3%–20.
Upon characterizing the samples’ morphological, microstructural, and geochemical properties, the team found that the CE-5 samples contained various glassy materials. As shown in the image above, this included glass particles of various shapes, such as globules, ellipsoids, dumbbells, and teardrops . They also noted the presence of elongated glass fibers that ranged in shape from tadpoles , maces , and filaments .
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