Response to comment on “comparison of laboratory emission spectra with mercury telescopic data” by melissa lane

A. L. Sprague, T. L. Roush, R. T. Downs, K. Righter

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

The laboratory spectrum published in Fig. 3 of A. L. Sprague and T. L. Roush (1998, Icarus133, 174-183) is a mixture of magnetite and hematite (˜34-45% magnetite, ˜55-66% hematite) rather than magnetite or hematite (M. D. Lane 2000, Icarus143, 000-000) alone. Because of the unusual nature of this sample (it is uniformly magnetic) we present results of X-ray diffraction, petrographic microscopy, and additional microprobe analyses. We compare this spectrum with laboratory spectra of hematite and magnetite. We can draw no conclusions regarding the presence or absence of magnetite on Mercury based solely on data in the spectral region 7.5-12μm.

Original languageEnglish (US)
Pages (from-to)409-411
Number of pages3
JournalIcarus
Volume143
Issue number2
DOIs
StatePublished - Feb 2000

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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