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Infrared transmission spectra of Sea of Fertility regolith (1974)

Akhmanova, M. V. ; Karyakin, A. V. ; Tartasov, L. S.

In: CASI

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Publication Date: 2006-01-11

Description: Transmission spectra in the 2-25 micrometer region were obtained for samples of lunar regolith returned by the Luna 16 automatic station. A comparison of the Luna 16, Apollo 11, and Apollo 12 samples showed that the infrared transmission spectra of regolith samples from the mare regions are similar and characteristic of basic basaltic rocks. The absorption bands show up in the vibration region of the SiO4 groups. No water and OH groups were found in the samples based on the spectrum. Spectra of regolith samples calcined at 1000C showed changes that can be interpreted as changes in the spectra of irradiated crystals (especially distinctly for the Luna 16 samples).

Keywords: LUNAR AND PLANETARY EXPLORATION

Type: Lunar Soil from the Sea of Fertility (NASA-TT-F-15881); p 486-495

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