NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Effects of microscopic iron metal on the reflectance spectra of glass and mineralsMaturity, which is a measure of the time lunar soils have been in the upper approximately 1 mm of the surface, is correlated with changes in the soils' optical properties. Mature soil is darker and somewhat redder than immature soil of the same composition, and features in the reflectance spectrum become more subdued with increasing maturity. The maturation process also involves accumulation of agglutinitic glass and submicroscopic metallic iron particles. We have produced submicrometer iron metal blebs on the surface and within glass and mineral grains by the method of high-temperature reduction. This technique has permitted the determination of optical changes in samples much simpler than lunar soil, and offers a useful tool with which to investigate the maturation process.
Document ID
19940007552
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Allen, C. C.
(Lockheed Engineering and Sciences Co. Houston, TX, United States)
Morris, R. V.
(NASA Lyndon B. Johnson Space Center Houston, TX., United States)
Lauer, H. V., Jr.
(Lockheed Engineering and Sciences Co. Houston, TX, United States)
Mckay, D. S.
(NASA Lyndon B. Johnson Space Center Houston, TX., United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F
Subject Category
Lunar And Planetary Exploration
Accession Number
94N12024
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Available Downloads

There are no available downloads for this record.
No Preview Available