Iron abundances on the lunar surface as measured by the Lunar Prospector gamma-ray and neutron spectrometers

Journal of Geophysical Research: Planets

Volumn 107, Issue 12, 2002, Pages

  Lawrence, D J ^a   Feldman, W C ^a   Elphic, R C ^a   Little, R C ^a   Prettyman, T H ^a   Maurice, S ^b   Lucey, P G ^c   Binder, A B ^d  

^a LOS ALAMOS NATIONAL LABORATORY   (United States)

^b OBSERVATOIRE MIDI PYRÉNÉES   (France)

^c UNIVERSITY OF HAWAII   (United States)

^d Lunar Research Institute   (United States)

Author keywords

Composition; Gamma ray spectroscopy; Iron abundances; Moon; Neutron spectroscopy

Indexed keywords

IRON; LUNAR SOIL; MOON; PLANETARY SURFACE; SPECTROSCOPY;

EID: 0037176377     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/2001je001530     Document Type: Article

References (74)

1. Arvidson, R., R. Drozd, E. Guinness, C. Hohenberg, C. Morgan, R. Morrison, and V. Oberbeck, Cosmic ray exposure ages of Apollo 17 samples and the age of Tycho, Proc. Lunar Sci. Conf. 7th, 2817, 1976.
2. Bieber, J. W., P. Evenson, and R. Pyle, Bartol Research Institute Neutron Monitor Data, Bartol Res. Inst., Univ. of Delaware, supported by NSF grant ATM-0000315, http://www.bartol.udel.edu/-neutronm, 2000.
3. Bielefeld, M. J., R. C. Reedy, A. E. Metzger, J. I. Trombka, and J. R. Arnold, Surface chemistry of selected lunar regions, Proc. Lunar Sci. Conf., 7th, 2661, 1976.
4. 2 mapping techniques. J. Geophys. Res., 102, 16,319, 1997.
5. Boynton, W. V., L. G. Evans, R. C. Reedy, and J. I. Trombka, The composition of Mars and comets by remote and in situ gamma-ray spectroscopy, in Remote Geochemical Analysis: Elemental and Mineralogical Composition, edited by C. M. Pieters and P. A. J. Englert, pp. 395-411, Cambridge Univ. Press, New York, 1993.
6. Briesmeister, J. F., (Ed.), MCNP: A general Monte Carlo N-particle transport code, version 4b, Los Alamos National Laboratory Report LA-12625-M, Version 4B, March 1997.
7. Chevrel, S. D., P. C. Pinet, Y. Daydou, D. J. Lawrence, W. C. Feldman, S. Maurice, and P. G. Lucey. Comparison between spectral Clementine and Gamma-Ray Lunar Prospector iron abundances on the Moon, 32nd Lunar and Planetary Science Conference, Abstract 1594, 2001.
8. Chevrel, S. D., P. C. Pinet, Y. Daydou, S. Maurice, D. J. Lawrence, W. C. Feldman, and P. G. Lucey, Integration of the Clementine UV-VIS spectral reflectance data and the Lunar Prospector gamma-ray spectrometer data: A global-scale multielement analysis of the lunar surface using iron, titanium, and thorium abundances, J. Geophys. Res., 107, doi:10.1029/ 2000JE001419, in press, 2002.
9. Clark, P. E., and L. A. McFadden, New results and implications for lunar crustal iron distribution using sensor data fusion techniques, J. Geophys. Res., 105, 4291, 2000.
10. Davis, P. A., Iron and titanium distribution on the Moon from orbital gamma-ray spectrometry with implications for crustal evolutionary models, J. Geophys. Res., 85, 3209, 1980.
11. Davis, P. A., and M. J. Bielefeld, Inelastic neutron scatter iron concentrations of the Moon from orbital gamma ray data, J. Geophys. Res., 86, 11,919, 1981.
12. Davis, P. A., and P. D. Spudis, Global petrologic variations on the Moon: A ternary-diagram approach, J. Geophys. Res., 92, E387, 1987.
13. Drake, D. M., M. Drosg, R. C. Byrd, R. C. Reedy, D. A. Clark, P. A. J. Englert, J. F. Dempsey, S. G. Bobias, and L. Harris, Experimental and numerical simulation of Martian neutron distributions, Nucl. Instrum. Methods Phys. Res., Sect. B, 84, 337, 1994.
14. Drake, M. J., Is lunar bulk material similar to Earth's mantle?, in Origin of the Moon, edited by W. K. Hartmann et al., pp. 105-124, 1986.
15. Elphic, R. C., S. Maurice, D. J. Lawrence, W. C. Feldman, B. L. Barraclough, A. B. Binder, and P. G. Lucey, Lunar Fe and Ti abundances: Comparison of Lunar Prospector and Clementine data, Science, 281, 1493-1496, 1998.
16. Elphic, R. C., D. J. Lawrence, W. C. Feldman, B. L. Barraclough, S. Maurice, A. B. Binder, and P. G. Lucey, Determination of lunar global rare earth element abundances using Lunar Prospector neutron spectrometer observations, J. Geophys. Res., 105, 20,333-20,346, 2000.
17. Elphic, R. C., W. C. Feldman, D. J. Lawrence, O. M. Gasnault, S. Maurice, R. Little, T. H. Prettyman, and A. B. Binder, The lunar neutron leakage flux and its measurement by Lunar Prospector neutron spectrometers, 32nd Lunar and Planetary Science Conference, Abstract 1489, 2001.
18. 2, J. Geophys. Res., 107(E4), 5024, doi:10,1029/2000JE001460, 2002.
19. Evans, L. G., R. C. Reedy, and J. I. Trombka, Introduction to planetary remote sensing gamma ray spectroscopy, in Remote Geochemical Analysis: Elemental and Mineralogical Composition, edited by C. M. Pieters and P. A. J. Englert, pp. 167-198, Cambridge Univ. Press, New York, 1993.
20. Fagan, T. J., T. E. Bunch, J. H. Wittke, E. Jarosewich, R. N. Clayton, T. Mayeda, O. Eugster, S. Lorenzetti, K. Keil, and G. J. Taylor, Northwest Africa 032, a new lunar mare basalt, Meteorit. Planet. Sci., 35, A51, 2000.
21. Feldman, W. C., D. M. Drake, R. D. O'Dell, F. W. Brinkley, and R. C. Anderson, Gravitational effects on planetary neutron flux spectra, J. Geophys. Res., 94, 513, 1989.
22. Feldman, W. C., R. C. Reedy, and D. S. McKay, Lunar neutron leakage fluxes as a function of composition and hydrogen content, Geophys. Res. Lett., 18, 2157, 1991.
23. Feldman, W. C., B. L. Barraclough, S. Maurice, R. C. Elphic, D. J. Lawrence, D. R. Thomsen, and A. B. Binder, Major compositional units of the Moon: Lunar Prospector thermal and fast neutrons, Science, 281, 1489, 1998a.
24. Feldman, W. C., S. Maurice, A. B. Binder, B. L. Barraclough, R. C. Elphic, and D. J. Lawrence, Fluxes of fast and epithermal neutrons from Lunar Prospector: Evidence for water ice at the lunar poles, Science, 281, 1496, 1998b.
25. Feldman, W. C., B. L. Barraclough, K. R. Fuller, D. J. Lawrence, S. Maurice, M. C. Miller, T. H. Prettyman, and A. B. Binder, The Lunar Prospector gamma-ray and neutron spectrometers, Nucl. Instrum. Methods, Sect. A, 422, 562, 1999.
26. Feldman, W. C., D. J. Lawrence, R. C. Elphic, D. T. Vaniman, D. R. Thomsen, B. L. Barraclough, S. Maurice, and A. B. Binder, The chemical information content of lunar thermal and epithermal neutrons, J. Geophys. Res., 105, 20,347, 2000.
27. Fermi, E., Nuclear Physics, 248 pp., Univ. of Chicago Press, Chicago, III., 1950.
28. 39 age studies, 2001 EGS General Assembly Abstract, 2001.
29. Fischer, E. M., and C. M. Pieters, Remote determination of exposure degree and iron concentration of lunar soils using VIS-NIR spectroscopic methods, Icarus, III, 475, 1994.
30. Fischer, E. M., and C. M. Pieters, Composition and exposure age of the Apollo 16 Cayley and Descartes regions from Clementine data: Normalizing the optical effects of space weathering, J. Geophys. Res., 101, 2225, 1996.
31. Gasnault, O., C. d'Uston, W. C. Feldman, and S. Maurice, Lunar fast neutron leakage calculation and its elemental abundance dependence, J. Geophys. Res., 105, 4263, 2000.
32. Gasnault, O., W. C. Feldman, S. Maurice, I. Genetay, C. d'Uston, T. H. Prettyman, and K. R. Moore, Composition from fast neutrons: Application to the Moon, Geophys. Res. Lett., 28, 3797-3800, 2001.
33. Haines, E., and A. Metzger, Lunar highland crustal models based on iron concentrations: Isostasy and center-of-mass displacement, Proc. Lunar Sci. Conf., 11th, 689-718, 1980.
34. Haskin, L. A. and P. Warren, Lunar chemistry, in Lunar Sourcebook, edited by G. H. Heiken et al., pp. 357-474, 1991.
35. Hawke, B. R., P. G. Lucey, J. F. Bell, R. Jaumann, and G. Neukum, Spectral reflectance studies of Tycho Crater: Preliminary results, Lunar Planet Sci. Conf., 17th, 999-1000, 1986.
36. Hiesinger, H., J. W. Head, U. Wolf, and G. Neukum, New age determinations of lunar mare basalts in mare cognitum, mare nubium, oceanus procellarum, and other nearside mare, 32nd Lunar and Planetary Science Conference, Abstract 1815, 2001.
37. Jolliff, B. L., et al., New views of the Moon: Improved understanding through data integration, Eos Trans. AGU, 81(31), 349, 2000.
38. Jolliff, B. L., J. J. Gillis, D. J. Lawrence, and S. Maurice, Thorium content of mare basalts of the western Procellarum region, 32nd Lunar and Planetary Science Conference, Abstract 2143, 2001.
39. Korotev, R. L., Concentrations of radioactive elements in lunar materials, J. Geophys. Res., 103, 1691, 1998.
40. Korotev, R. L., B. L. Jolliff, and K. M. Rockow, Lunar meteorite Queen Alexandra Range 93069 and the iron concentration of the lunar highlands surface, Meteorit. Planet. Sci., 31, 909, 1996.
41. Korotev, R. L., B. L. Jolliff, A. Wang, J. J. Gillis, L. A. Haskin, T. J. Fagan, G. J. Taylor, and K. Keil, Trace-element concentrations in Northwest Africa 032, 32nd Lunar and Planet. Sci. Conf., Abstract 1451, 2001.
42. Lawrence, D. J., W. C. Feldman, B. L. Barraclough, A. B. Binder, R. C. Elphic, S. Maurice, and D. R. Thomsen, Global elemental maps of the Moon: The Lunar Prospector Gamma-Ray Spectrometer, Science, 284, 1484, 1998.
43. Lawrence, D. J., W. C. Feldman, B. L. Barraclough, R. C. Elphic, S. Maurice, A. B. Binder, M. C. Miller, and T. H. Prettyman, High resolution measurements of absolute thorium abundances on the lunar surface, Geophys. Res. Lett., 26, 2681, 1999.
44. Lawrence, D. J., W. C. Feldman, B. L. Barraclough, R. C. Elphic, T. H. Prettyman, S. Maurice, A. B. Binder, and M. C. Miller, Thorium abundances on the lunar surface, J. Geophys. Res., 105, 20,307, 2000.
45. Lawrence, D. J., W. C. Feldman, D. T. Blewett, R. C. Elphic, P. G. Lucey, S. Maurice, T. H. Prettyman, and A. B. Binder, Iron abundances on the lunar surface as measured by the Lunar Prospector Gamma-Ray Spectrometer, Proc. Lunar Planet. Sci. Conf. 32nd, abstract 1830, 2001.
46. Lawson, S. L., B. M. Jakosky, H. Park, and M. T. Mellon, Brightness temperatures of the lunar surface: Calibration and global analysis of the Clementine long-wave infrared camera data, J. Geophys. Res., 105, 4273, 2000.
47. Little, R. C., et al., Latitude variation of the subsurface lunar temperature: Lunar Prospector thermal neutrons, J. Geophys. Res., 108, doi:10.1029/ 2001JE001497, in press, 2003.
48. Lucey, P. G., Model near-infrared optical constants of olivine and pyroxene as a function of iron content, J. Geophys. Res., 103, 1703, 1998.
49. Lucey, P. G., G. J. Taylor, and E. Malaret, Abundance distribution of iron on the Moon, Science, 268, 1150, 1995.
50. 2 on the Moon, J. Geophys. Res., 103, 3679, 1998a.
51. 2 concentrations in the South Pole-Aitken basin: Implications for mantle composition and basin formation, J. Geophys. Res., 103, 3701, 1998b.
52. Lucey, P. G., D. T. Blewett, and B. L. Jolliff, Lunar iron and titanium abundance algorithms based on final processing Clementine ultraviolet-visible images. J. Geophys. Res., 105, 20,297, 2000.
53. Maurice, S., W. C. Feldman, D. J. Lawrence, O. Gasnault, C. d'Uston, and P. G. Lucey, High-energy Neutrons from the Moon, J. Geophys. Res., 105, 20,365, 2000.
54. Metzger, A. E., Composition of the Moon as determined from orbit by gamma-ray spectroscopy, in Remote Geochemical Analysis: Elemental and Mineralogical Composition, edited by C. M. Pieters and P. A. J. Englert, pp. 341-365, Cambridge Univ. Press, New York, 1993.
55. Pieters, C. M., Compositional diversity and stratigraphy of the lunar crust derived from reflectance spectroscopy, in Remote Geochemical Analysis: Elemental and Mineralogical Composition, edited by C. M. Pieters and P. A. J. Englert, pp. 309-339, Cambridge Univ. Press, New York, 1993.
56. Pieters, C. M., E. M. Fischer, O. Rode, and A. Basu, Optical effects of space weathering: The role of the finest fraction, J. Geophys. Res., 98, 20,817, 1993.
57. Pieters, C. M., S. Tomkins, J. W. Head, and P. C. Hess, Mineralogy of the mafic anomaly in the South Pole-Aitken Basin: Implications for excavation of the lunar mantle, Geophys. Res. Lett., 24, 1903, 1997.
58. Pieters, C. M., L. A. Taylor, S. K. Noble, L. P. Keller, B. Hapke, R. V. Morris, C. C. Allen, D. S. McKay, and S. Wentworth, Space weathering on airless bodies: Resolving a mystery with lunar samples, Meteorit. Planet. Sci., 35, 1101, 2000.
59. Pieters, C. M., J. W. Head III, L. Gaddis, B. Jolliff, and M. Duke, Rock types of South Pole-Aitken basin and extent of basaltic volcanism, J. Geophys. Res., 106, 28,001, 2001.
60. Prettyman, T. H., W. C. Feldman, D. J. Lawrence, R. C. Elphic, O. Gasnault, S. Maurice, K. R. Moore, and A. B. Binder, Distribution of iron and titanium on the lunar surface from Lunar Prospector gamma ray spectra, 32nd Lunar and Planetary Science Conference, Abstract 2122, 2001.
61. Reedy, R. C., Planetary gamma-ray spectroscopy, Proc. Lunar Planet. Sci. Conf., 9th, 2961, 1978.
62. Ryder, G., and J. A. Wood, Serenitatis and Imbrium impact melts: Implications for large-scale layering in the lunar crust, Proc. Lunar Sci. Conf., 8th, 655, 1977.
63. Schultz, P. H., and P. D. Spudis, The beginning and end of lunar mare volcanism, Nature, 302(5905), 233, 1983.
64. Shorthill, R. W., Infrared atlas charts of the eclipsed Moon, Moon, 7, 22, 1973.
65. Shorthill, R. W., and J. M. Saari, Nonuniform cooling of the eclipsed Moon: A listing of prominent anomalies, Science, 150, 210, 1965.
66. Shorthill, R. W., J. M. Saari, and T. K. Deaton, Infrared and visible images of the eclipsed Moon of December 19, 1964, Icarus, 5, 635, 1966.
67. Smith, D. E., M. T. Zuber, G. A. Neumann, and F. G. Lemoine, Topography of the Moon from the Clementine LIDAR, J. Geophys. Res., 102, 1591, 1997.
68. Spudis, P. D., R. A. Reisse, and J. J. Gillis, Ancient multiring basins on the Moon revealed by Clementine laser altimetry, Science, 266, 1848, 1994.
69. Staid, M. I., and C. M. Pieters, Mineralogy off the last lunar basalts: Results from Clementine, J. Geophys. Res., 106, 27,887, 2001.
70. Taylor, S. R., The origin of the Moon: Geochemical considerations, in Origin of the Moon, edited by W. K. Hartmann et al., pp. 125-144, Lunar and Planet. Inst., Houston, Tex., 1986.
71. Tompkins, S., and R. R. Hawke, Distribution of materials at Tycho Crater, 32nd Lunar and Planetary Science Conference, Abstract 1206, 2001.
72. Warren, P. H., The magma ocean concept and lunar evolution, Annu. Rev. Earth Planet. Sci., 13, 201, 1985.
73. Wood, J. A., Moon over Mauna Loa: A review of hypotheses of formation of Earth's Moon, in Origin of the Moon, edited by W. K. Hartmann et al., pp. 17-55, Lunar and Planet, Inst., Houston, Tex., 1986.
74. Wood, J. A., J. S. Dickey, U. B. Marvin, and B. N. Powell, Lunar anorthosites and a geophysical model of the Moon, Proc. Apollo 11 Lunar Sci. Conf., 965, 1970.