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  <title>LPI Contributions</title>
  <link>http://www.lpi.usra.edu/lpi/lpi_contribution.shtml</link>
  <description>To document the activities of the visiting and staff scientists and other work supported by the Institute, this formal series called “Lunar and Planetary Institute Contributions”, was initiated in September 1969 while the Institute was under the auspices of the National Academy of Sciences. The series continues to today documenting the scientific research, meeting-related publications, educational materials, outreach products, and other activities of the Lunar and Planetary Institute under Cooperative Agreement NCC5-679.</description>
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  <item>
   <title>Forming the martian great divide</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1422
Keifer, W. S.
Forming the martian great divide
http://dx.doi.org/10.1038/4531191a
Nature, v.453, pp. 1191-1192, 2008</description>
   <pubDate>Thu, 03 Jul 2008 19:48:28 GMT</pubDate>
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   <title>Mars north polar deposits</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1418
Phillips, R.J., Zuber, M.T., Smrekar, S.E., Mellon, M.T., Head, J.W., Tanaka, K.L., Putzig, N.E., Milkovich, S.M., Campbell, B.A., Plaut, J.J., Safaeinili, A., Seu, R., Biccari, D., Carter, L.M., Picardi, G., Orosei, R., Mohit, P.S., Heggy, E., Zurek, R.W., Egan, A.F., Giacomoni, E., Russo, F., Cutigni, M., Pettinelli, E., Holt, J.W., Leuschen, C.J, Marinangeli, L.
Mars north polar deposits: Stratigraphy, age, and geodynamical response
http://dx.doi.org/10.1126/science.1157546
Science, Vol. 320, pp. 1182-1185, 30 May 2008; doi:10.1126/science.1157546</description>
   <pubDate>Thu, 03 Jul 2008 19:48:01 GMT</pubDate>
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   <title>MARSIS subsurface radar investigations of the South Polar reentrant Chasma Australe</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1416
Farrell, W.M., Clifford, S.M., Milkovich, S.M., Plaut, J.J., Leuschen, C.J., Picardi, G., Gurnett, D.A., Watters, T.R., Safaeinili, A., Ivanov, A.B., Phillips, R.J., Stofan, E.R., Heggy, E., Cummer, S.A., and Espley, J.R.
MARSIS subsurface radar investigations of the South Polar reentrant Chasma Australe
http://dx.doi.org/10.1029/2007JE002974	
JGR-Planets, v. 113, E04002, doi:10.1029/2007JE002974, 2008</description>
   <pubDate>Thu, 03 Jul 2008 19:47:33 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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  <item>
   <title>Rheological consequences of redox state</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1393
Mackwell, S.
Rheological consequences of redox state
http://dx.doi.org/10.2138/rmg.2008.68.20
Reviews in Mineralogy and Geochemistry, v. 68, pp 555-569, 2008, doi:10.2138.rmg.2008.68.20</description>
   <pubDate>Thu, 03 Jul 2008 19:46:59 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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  <item>
   <title>On the negligible surface age of Triton</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1392
Schenk, P.M., Zahnle, K.
On the negligible surface age of Triton
http://dx.doi.org/10.1016/j.icarus.2007.07.004
Icarus, v. 192 (1), pp.135-149, December 1, 2007; doi:10.1016/j.icarus.2007.07.004</description>
   <pubDate>Thu, 03 Jul 2008 19:46:35 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Lunar and Planetary Science Conference XXXIX, March 10-14, 2008, League City, Texas</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1391
LPI Editorial Board
Lunar and Planetary Science Conference XXXIX, March 10-14, 2008, League City, Texas
http://www.lpi.usra.edu/meetings/lpsc2008/pdf/program.pdf
Lunar and Planetary Institute
Abstract vol. (CD-Rom)</description>
   <pubDate>Thu, 03 Jul 2008 19:46:13 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Ancient groundwater flow in the Valles Marineris on Mars inferred from fault trace ridges</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1389
Treiman A.H.
Ancient groundwater flow in the Valles Marineris on Mars inferred from fault trace ridges.
http://dx.doi.org/10.1038/ngeo131
Nature Geoscience v.1, pp.181 - 183 (2008), doi:10.1038/ngeo131</description>
   <pubDate>Thu, 03 Jul 2008 19:45:32 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Martian dunite NWA 2737</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1386
Pieters, C., Hiroi, T., Klima, R.L., Dyar, M.D., Lane, M.D., Treiman, A.H., Noble, S.K., Sunshine, J., and Bishop, J.L.
Martian dunite NWA 2737: Integrated spectroscopic analyses of brown olivine
http://www.agu.org/journals/je/je0806/2007JE002939/
Journal of Geophysical Research- Planets, v. 113, E06004, doi:10.1029/2007JE002939, 2008</description>
   <pubDate>Thu, 03 Jul 2008 19:45:02 GMT</pubDate>
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   <title>Indentification of geologic contrasts from landscape dissection pattern</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1352
Luo, W.; Stepinski, T.; Qi, Y.
Indentification of geologic contrasts from landscape dissection pattern: An application to Oregon Cascade Range
Geomorphology, v. 99, July 2008, pp 90-98, doi:10.1016/j.geomorph.2007.10.014</description>
   <pubDate>Thu, 03 Jul 2008 19:44:33 GMT</pubDate>
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   <title>Osmium isotope and highly siderophile element systemactics of lunar impact melts</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1348
Puchtel, I.S.; Walker, R.J.; James, O.B.; Kring, D. A. 
Osmium isotope and highly siderophile element systemactics of lunar impact melts: Implications for the late accretion history of the Moon and Earth
http://dx.doi.org/10.1016/j.gca.2008.04.006
Geochimica et Cosmochemica Acta, v. 72 (2008), pp.3002-3042, doi:10.1016/j.gca.2008.04.006</description>
   <pubDate>Thu, 03 Jul 2008 19:44:04 GMT</pubDate>
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   <title>Low-frequency radar sounding investigations of the North Amargosa Desert, Nevada</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1250
Heggy E.; Clifford, S.; Grimm, R.; Dinwiddie, C.; Stamatakos, J.; Gonzalez, S.
Low-frequency radar sounding investigations of the North Amargosa Desert, Nevada: A potential analog of conductive subsurface environments on Mars
Geophysical Research Letters, vol. 111, E6, E06S03, doi:10.1029/2005JE002523</description>
   <pubDate>Thu, 03 Jul 2008 19:43:16 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Geologic column for the ICDP-USGS Eyreville B core, Chesapeake Bay impact structure</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1412&lt;br /&gt;
        Horton J. W. Jr., Gibson R. L., Reimold W. U., &lt;strong&gt;Wittmann A.&lt;/strong&gt;, Gohn G. S., Edwards L. E.&lt;br /&gt;
        Geologic column for the ICDP-USGS Eyreville B core, Chesapeake Bay impact structure: Impactites and crystalline rocks, 1,095-1766 m&lt;br /&gt;
        &lt;em&gt;(in preparation)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:20:39 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>The record of ground zero in the Chesapeake Bay impact crater - suevites and related rocks</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1411&lt;br /&gt;
        &lt;strong&gt;Wittmann A.&lt;/strong&gt;, Reimold W. U., Schmitt R. T., Hecht L., Kenkmann T.&lt;br /&gt;
        The record of ground zero in the Chesapeake Bay impact crater &amp;ndash; suevites and related rocks&lt;br /&gt;
        &lt;em&gt;(in preparation)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:20:02 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Noble gases and nitrogen in Martian meteorites Dar al Gani 476, Sayh al Uhaymir 005 and Lewis Cliff 88516</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1410&lt;br /&gt;
        Mohapatra, R. K. &lt;strong&gt;Schwenzer, S. P.&lt;/strong&gt;, Herrmann, S. Murty, S. V. S., Ott, U., Gilmour, J. D.&lt;br /&gt;
        Noble gases and nitrogen in Martian meteorites Dar al Gani 476, Sayh al Uhaymir 005 and Lewis Cliff 88516: EFA and extra neon&lt;br /&gt;
        &lt;em&gt;(in preparation)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:19:28 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Explore! Ice Worlds</title>
   <link>http://www.lpi.usra.edu/education/explore/ice/activities</link>
   <description>&lt;p&gt;1409&lt;br /&gt;
        &lt;strong&gt;LPI Education and Public Outreach Department&lt;/strong&gt;&lt;br /&gt;
        &lt;a href=&quot;http://www.lpi.usra.edu/education/explore/ice/activities&quot; target=&quot;_blank&quot;&gt;Explore! Ice Worlds&lt;/a&gt;&lt;br /&gt;
        Lunar and Planetary Institute</description>
   <pubDate>Tue, 20 May 2008 16:18:56 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/education/explore/ice/activities</guid>
  </item>
  <item>
   <title> model for the formation of the Chesapeake Bay impact crater as revealed by drilling and numerical simulation</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1408&lt;br /&gt;
        Kenkmann, T., Collins, G.S., &lt;strong&gt;Wittmann, A.&lt;/strong&gt;, Wunnerman, K., Reimold, W.U., Melosh, H. J.&lt;br /&gt;
        A model for the formation of the Chesapeake Bay impact crater as revealed by drilling and numerical simulation&lt;br /&gt;
        Geological Society of America Special Paper &lt;br /&gt;
        &lt;em&gt;(submitted) &lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:17:58 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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  <item>
   <title>Integrated interpretation of physical properties of rocks of the borehole YAXCOPIL-2 (Chicxulub impact structure)</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1407&lt;br /&gt;
        Mayr, S.I. &lt;strong&gt;Wittmann, A.&lt;/strong&gt;, Burkhardt, H., Popv., Yu., Romushkevich, R., Bayuk, I., Heidinger, P., Wilhelm, H.&lt;br /&gt;
        Integrated interpretation of physical properties of rocks of the borehole YAXCOPIL-2 (Chicxulub impact structure)&lt;br /&gt;
        Journal of Geophysical Research&lt;br /&gt;
        &lt;em&gt;(submitted)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:17:28 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>The Science of Solar Systems Ices</title>
   <link>http://www.lpi.usra.edu/lpi/c1406Scssi.pdf</link>
   <description>&lt;p&gt;1406&lt;br /&gt;
        &lt;strong&gt;LPI Editorial Board&lt;/strong&gt;&lt;br /&gt;
        &lt;a href=&quot;http://www.lpi.usra.edu/lpi/c1406Scssi.pdf&quot; target=&quot;_blank&quot;&gt;The Science of Solar Systems Ices: A Cross-Disciplinary&lt;/a&gt;, May 5&amp;ndash;8, 2008, Oxnard, CA&lt;br /&gt;
        Lunar and Planetary Institute, Abstract volume</description>
   <pubDate>Tue, 20 May 2008 16:16:53 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/c1406Scssi.pdf</guid>
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   <title>Asteroid, Comets, and Meteors 2008</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1405&lt;br /&gt;
        &lt;strong&gt;LPI Editorial Board&lt;/strong&gt;&lt;br /&gt;
        Asteroid, Comets, and Meteors 2008, July 14-18, 2008, Baltimore, Maryland&lt;br /&gt;
        Lunar and Planetary Institute, Abstract volume (CD-Rom)</description>
   <pubDate>Tue, 20 May 2008 16:16:00 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Channel incision in the Rio Atenguillo, Jalisco, Mexico</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1404&lt;br /&gt;
        &lt;strong&gt;Righter, K.&lt;/strong&gt;, Rosas-Elguera, J., Valencia, V., Caffee, M.&lt;br /&gt;
        Channel incision in the Rio Atenguillo, Jalisco, Mexico: 36Cl constraints on rates and causes&lt;br /&gt;
        &lt;em&gt;(in preparation)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:15:30 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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  <item>
   <title>Planetary Dunes Workshop</title>
   <link>http://www.lpi.usra.edu/lpi/c1403Dunes.pdf</link>
   <description>&lt;p&gt;1403&lt;br /&gt;
        &lt;strong&gt;LPI Editorial Board&lt;/strong&gt;&lt;br /&gt;
        &lt;a href=&quot;http://www.lpi.usra.edu/lpi/c1403Dunes.pdf&quot; target=&quot;_blank&quot;&gt;Planetary Dunes Workshop: A Record of Climate Change&lt;/a&gt;, April 29&amp;ndash;May 2, 2008, Alamogordo, New Mexico&lt;br /&gt;
        Lunar and Planetary Institute, Abstract volume</description>
   <pubDate>Tue, 20 May 2008 16:15:02 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu//lpi/c1403Dunes.pdf</guid>
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   <title>40Ar-39Ar ages of H-chondrite impact melt breccias</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1402&lt;br /&gt;
        Swindle, T.D.,&lt;strong&gt; Kring, D.A.&lt;/strong&gt;&lt;br /&gt;
        40Ar-39Ar ages of H-chondrite impact melt breccias&lt;br /&gt;
        &lt;em&gt;(in preparation)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:14:12 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Ground Truth from Mars</title>
   <link>http://www.lpi.usra.edu/lpi/c1401Msr2008.pdf</link>
   <description>&lt;p&gt;1401&lt;br /&gt;
        &lt;strong&gt;LPI Editorial Board&lt;/strong&gt;&lt;br /&gt;
        &lt;a href=&quot;http://www.lpi.usra.edu/lpi/c1401Msr2008.pdf&quot; target=&quot;_blank&quot;&gt;Ground Truth from Mars: Science Payoff from a Sample Return Mission&lt;/a&gt;, April 21, 23, 2008, Albuquerque, NM &lt;br /&gt;
      Lunar and Planetary Institute, Abstract volume</description>
   <pubDate>Tue, 20 May 2008 16:13:43 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu//lpi/c1401Msr2008.pdf</guid>
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   <title>Similarities between shergotties and terrestrial ferropicrites</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1400&lt;br /&gt;
        &lt;strong&gt;Filiberto, J.&lt;/strong&gt;&lt;br /&gt;
        Similarities between shergotties and terrestrial ferropicrites&lt;br /&gt;
        Icarus&lt;br /&gt;
      &lt;em&gt;(accepted)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:12:52 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>True polar wander on Europa from global-scale small-circle depressions</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>      &lt;p&gt;1399&lt;br /&gt;
        &lt;strong&gt;Schenk, P&lt;/strong&gt;., Matsuyama, I., Nimmo, F.&lt;br /&gt;
&lt;a href=&quot;http://dx.doi.org/10.1038/nature06911&quot; target=&quot;_blank&quot;&gt;True polar wander on Europa from global-scale small-circle depressions&lt;/a&gt;&lt;br /&gt;
Nature, vol. 453, pp. 368-371 (15 May 2008), doi:10.1038/nature06911</description>
   <pubDate>Tue, 20 May 2008 16:12:25 GMT</pubDate>
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   <title>The organic carbon isotopic and paleontological record across the Triassic-Jurassic boundary at the candidate GSSP section at Gerguson Hill, Muller Canyon, Nevada, USA</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1398&lt;br /&gt;
        Ward, P. D., Garrison, G. H., Williford, K. H., &lt;strong&gt;Kring, D. A.&lt;/strong&gt;, Goodwind, D., Beattie, M. J., McRoberts, C. A.&lt;br /&gt;
&lt;a href=&quot;http://dx.doi.org/10.1016/j.palaeo.2006.06.042&quot; target=&quot;_blank&quot;&gt;The organic carbon isotopic and paleontological record across the Triassic-Jurassic boundary at the candidate GSSP section at Gerguson Hill, Muller Canyon, Nevada, USA&lt;/a&gt;&lt;br /&gt;
        Palaeogeography, Palaeoclimatology, Palaeoecology, v. 244, Issues 1&amp;ndash;4, Feb 2007, pp. 281&amp;ndash;289, doi:10.1016/j.palaeo.2006.06.042</description>
   <pubDate>Tue, 20 May 2008 16:11:32 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>The geologic record of destructive impacts on the Earth</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1397&lt;br /&gt;
        Grieve, R. A. F., &lt;strong&gt;Kring, D. A.&lt;/strong&gt;&lt;br /&gt;
        The geologic record of destructive impacts on the Earth&lt;br /&gt;
        &lt;em&gt;(in preparation)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:10:32 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>The Sudbury impact layer in the Paleoproterozoic iron ranges of northern Michigan, USA</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>      &lt;p&gt;1396&lt;br /&gt;
        Cannon, W. F., Schultz, K. J., Horton Jr., J. W., &lt;strong&gt;Kring, D. A.&lt;/strong&gt;&lt;br /&gt;
        The Sudbury impact layer in the Paleoproterozoic iron ranges of northern Michigan, USA&lt;br /&gt;
        GSA Bulletin&lt;br /&gt;
        &lt;em&gt;(in preparation)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:10:05 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
  </item>
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   <title>Origin of Mars gullies</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1395&lt;br /&gt;
        Cannon, W. F., Schultz, K. J., Horton Jr., J. W., &lt;strong&gt;Kring, D. A.&lt;/strong&gt;&lt;br /&gt;
        Origin of Mars gullies:&amp;nbsp; Clues from Meteor Crater, Arizona&lt;br /&gt;
        &lt;em&gt;(in preparation) &lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 16:09:03 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</guid>
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   <title>Organic geochemistry of a Triassic-Jurassic boundary section in the Queen Charlotte Islands, British Columbia, Canada</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1394&lt;br /&gt;
        Williford, K. H., Ward, P. D., &lt;strong&gt;Kring, D. A.&lt;/strong&gt;, Schwab, V., Sachs, J., Wakeham, S. G., Grice, K.&lt;br /&gt;
        Organic geochemistry of a Triassic-Jurassic boundary section in the Queen Charlotte Islands, British Columbia, Canada&lt;br /&gt;
        Organic Geochemistry&lt;br /&gt;
        &lt;em&gt;(submitted)&lt;/em&gt;&lt;/p&gt;</description>
   <pubDate>Tue, 20 May 2008 16:08:31 GMT</pubDate>
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   <title>Martian mantle mineralogy investigated by the 176Lu-176Hf and 147Sm-143Nd systematics of Shergottites</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>      &lt;p&gt;1388&lt;br /&gt;
        &lt;strong&gt;Debaille, V.&lt;/strong&gt; Yin, Q. Z., Brandon, A. D., Jacobsen, B.&lt;br /&gt;
&lt;a href=&quot;http://dx.doi.org/10.1016/j.epsl.2008.02.008&quot; target=&quot;_blank&quot;&gt;Martian mantle mineralogy investigated by the 176Lu-176Hf and 147Sm-143Nd systematics of Shergottites&lt;/a&gt; &lt;br /&gt;
Earth and Planetary Science Letters, vol. 269, issue 1&amp;ndash;2,  May 15, 2008, pp 186&amp;ndash;199</description>
   <pubDate>Tue, 20 May 2008 16:08:04 GMT</pubDate>
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   <title>The Workshop on Martian Gullies</title>
   <link>http://www.lpi.usra.edu/lpi/c1301MarsGullies.pdf</link>
   <description>&lt;p&gt;1301&lt;br /&gt;
        &lt;strong&gt;LPI Editorial Board&lt;/strong&gt;&lt;br /&gt;
        &lt;a href=&quot;http://www.lpi.usra.edu/lpi/c1301MarsGullies.pdf&quot; target=&quot;_blank&quot;&gt;The Workshop on Martian Gullies: Theories and Test&lt;/a&gt;, February 4&amp;ndash;5, 2008, Houston Texas&lt;br /&gt;
        Lunar and Planetary Institute, Abstract volume</description>
   <pubDate>Tue, 20 May 2008 16:05:27 GMT</pubDate>
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   <title>Radar Soundings of the Medusae Fossae Formation Mars</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description> &lt;p&gt;1383&lt;br /&gt;
Watters, T. R., Campbell, B., Carter, L., Leuschen, C. J., Plaut, J. J., Picardi, G., Orosei, R., Safaeinili, A., &lt;strong&gt;Clifford, S.M.&lt;/strong&gt;, Farrell, W.M., Ivanov, A.B., Phillips, R.J., Stofan, E.R.&lt;br /&gt;
&lt;a href=&quot;http://dx.doi.org/10.1126/science.1148112&quot; target=&quot;_blank&quot;&gt;Radar Soundings of the Medusae Fossae Formation Mars: Equatorial Ice or Dry, Low-Density Deposits?&lt;/a&gt;&lt;br /&gt;&lt;a href=&quot;http://dx.doi.org/10.1126/science.1148112&quot;&gt;&lt;/a&gt;Science, Vol. 318, pp. 1125&amp;ndash;1128, 16 November 2007; doi:10.1126/science.1148112&lt;/p&gt;</description>
   <pubDate>Tue, 20 May 2008 16:03:10 GMT</pubDate>
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   <title>The Role of protons in ionic diffusion in (Mg, Fe)O and (Mg,Fe)2SiO4</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1381&lt;br /&gt;
          Kohlstedt, D. L., &lt;strong&gt;Mackwell, S. J&lt;/strong&gt;.&lt;br /&gt;
&lt;a href=&quot;http://dx.doi.org/10.1007/s10853-007-2420-1&quot; target=&quot;_blank&quot;&gt;The Role of protons in ionic diffusion in (Mg, Fe)O and (Mg,Fe)2SiO4&lt;/a&gt;&lt;br /&gt;
          Journal of Materials Sciences doi:10.1007/s10853-007-2420-1</description>
   <pubDate>Tue, 20 May 2008 16:01:37 GMT</pubDate>
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   <title>Shock-induced helium loss from Martian meteorites</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>&lt;p&gt;1361&lt;br /&gt;
          &lt;strong&gt;Schwenzer, S. P&lt;/strong&gt;., Fritz, J., Stoffler, D. Trieloff, M.: Amini, M.; Greshake, A.; Herrmann, S.; Serwig, K.; Jochum, K. P.; Mohapatra, R. K.; Stoll, B.; Ott, U.&lt;br /&gt;
          Shock-induced helium loss from Martian meteorites&lt;br /&gt;
        (in preparation)</description>
   <pubDate>Tue, 20 May 2008 16:00:30 GMT</pubDate>
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   <title>Workshop on  Ices, Oceans and Fire</title>
   <link>http://www.lpi.usra.edu/lpi/c1357Ices.pdf</link>
   <description>&lt;p&gt;1357&lt;br /&gt;
            &lt;strong&gt;LPI Editorial Board&lt;/strong&gt;&lt;br /&gt;
            &lt;a href=&quot;http://www.lpi.usra.edu/lpi/c1357Ices.pdf&quot; target=&quot;_blank&quot;&gt;Workshop on  Ices, Oceans and Fire: Satellites of the Outer Solar System&lt;/a&gt;&lt;br /&gt;
          Lunar and  Planetary Institute&lt;/p&gt;</description>
   <pubDate>Tue, 20 May 2008 15:58:57 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/lpi/c1357Ices.pdf</guid>
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   <title>Indentification of  geologic contrasts from landscape dissection pattern</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>        &lt;p&gt;1352&lt;br /&gt;
          Luo, W.; &lt;strong&gt;Stepinski, T.;&lt;/strong&gt; Qi, Y.&lt;br /&gt;
          &lt;span class=&quot;Z3988&quot;  title=&quot;ctx_ver=Z39.88-2004&amp;amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;amp;rfr_id=info%3Asid%2Focoins.info%3Agenerator&amp;amp;rft.genre=article&amp;amp;rft.title=Geomorphology&amp;amp;rft.stitle=Geomorphology&amp;amp;rft.issn=0169-555X&amp;amp;rft.date=2007&amp;amp;rft.aulast=LUO&amp;amp;rft.aufirst=&amp;amp;rft.au=LUO&amp;amp;rft_id=info:doi/10.1016%2Fj.geomorph.2007.10.014&quot;&gt;&lt;/span&gt; &lt;a href=&quot;http://dx.doi.org/10.1016/j.geomorph.2007.10.014&quot; target=&quot;_blank&quot;&gt;Indentification of  geologic contrasts from landscape dissection pattern: An application to Oregon  Cascade  Range&lt;/a&gt;&lt;br /&gt;
          Geomorphology doi:10.1016/j.geomorph.2007.10.014&lt;br /&gt;
          &lt;em&gt;(in press)&lt;/em&gt;</description>
   <pubDate>Tue, 20 May 2008 15:57:11 GMT</pubDate>
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   <title>Speed distribution of mass within high-energy impact ejecta plumes</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description> &lt;p&gt;1351&lt;br /&gt;
            &lt;strong&gt;Kring, D.;&lt;/strong&gt; Durda, D.&lt;br /&gt;
            Speed distribution of mass within high-energy impact ejecta plumes: Implications for atmospheric heating&lt;br /&gt;
            &lt;em&gt;(in preparation)&lt;/em&gt;&lt;br /&gt;</description>
   <pubDate>Tue, 20 May 2008 15:56:32 GMT</pubDate>
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   <title>Geochemistry of Venus' surface</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>        &lt;p&gt;1347&lt;br /&gt;
            &lt;strong&gt;Treiman, A .H.&lt;/strong&gt;&lt;br /&gt;
            Geochemistry of Venus' surface: Current limitation as future opportunities&lt;br /&gt;
            Exploring Venus as a Terrestrial Planet, Geophysical Monograph Series, vol. 176&lt;br /&gt;
            American Geophysical Union</description>
   <pubDate>Tue, 20 May 2008 15:55:47 GMT</pubDate>
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   <title>Workshop on  Martian Sulfates as Recorders of Atmospheric-Fluid-Rock Interactions</title>
   <link>http://www.lpi.usra.edu/meetings/sulfates2006/pdf/program.pdf</link>
   <description>&lt;p&gt;1331&lt;br /&gt;
	        &lt;strong&gt;LPI Editorial Board&lt;br /&gt;
          &lt;/strong&gt;&lt;a href=&quot;http://www.lpi.usra.edu/meetings/sulfates2006/pdf/program.pdf&quot; target=&quot;_blank&quot;&gt;Workshop on  Martian Sulfates as Recorders of Atmospheric-Fluid-Rock Interactions&lt;/a&gt; October  22&amp;ndash;24, 2006, Houston, Texas&lt;br /&gt;
	      Abstract vol.&lt;/p&gt;</description>
   <pubDate>Tue, 20 May 2008 15:53:58 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/meetings/sulfates2006/pdf/program.pdf</guid>
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   <title>Workshop on  Lunar Crater Observing and Sensing Satellite (LCROSS) Site Selection</title>
   <link>http://www.lpi.usra.edu/meetings/lcross2006/pdf/program.pdf</link>
   <description>	    &lt;p&gt;1327&lt;br /&gt;
	        &lt;strong&gt;LPI Editorial Board&lt;br /&gt;
          &lt;/strong&gt;&lt;a href=&quot;http://www.lpi.usra.edu/meetings/lcross2006/pdf/program.pdf&quot; target=&quot;_blank&quot;&gt;Workshop on  Lunar Crater Observing and Sensing Satellite (LCROSS) Site Selection&lt;/a&gt;,  October 16&amp;ndash;17, 2006, Moffett Field, California&lt;br /&gt;
	      Abstract vol.&lt;/p&gt;</description>
   <pubDate>Tue, 20 May 2008 15:52:45 GMT</pubDate>
   <guid isPermaLink="false">http://www.lpi.usra.edu/meetings/lcross2006/pdf/program.pdf</guid>
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   <title>Influence of Hydrogen on  Fe-Mg Interdiffusion in (Mg,Fe)O</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1326 
	      &lt;strong&gt;Demouchy, S.; Mackwell, S.J&lt;/strong&gt;.; Kohlstedt, D.L.&lt;br /&gt;
	      &lt;a href=&quot;http://dx.doi.org/10.1007/s00410-007-0193-9&quot; target=&quot;_blank&quot;&gt;Influence of Hydrogen on  Fe-Mg Interdiffusion in (Mg,Fe)O&lt;/a&gt; &lt;br /&gt;
	      Contributions to Mineralogy and  Petrology doi:10.1007/s00410-007-0193-9&lt;/p&gt;</description>
   <pubDate>Tue, 20 May 2008 15:51:33 GMT</pubDate>
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   <title>Report of the Space Resources Roundtable VII</title>
   <link>http://www.lpi.usra.edu/meetings/leag2005/final_report</link>
   <description>1318
	        &lt;strong&gt;LPI Editorial Board&lt;/strong&gt;&lt;br /&gt;
	      &lt;a href=&quot;http://www.lpi.usra.edu/meetings/leag2005/final_report.pdf&quot; target=&quot;_blank&quot;&gt;Report of the Space Resources Roundtable VII: LEAG Conference on  Lunar Exploration&lt;/a&gt; October 25&amp;ndash;28, 2005, League City, Texas&lt;br /&gt;
	      Abstract vol.  1&amp;ndash;129 p. &lt;/p&gt;</description>
   <pubDate>Tue, 20 May 2008 15:43:07 GMT</pubDate>
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   <title>Workshop on Dust in Planetary Systems</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1280
LPI Editorial Board
Workshop on Dust in Planetary Systems, September 26-30, 2005, Kaua’i, Hawaii
Lunar and Planetary Institute, Abstract volume</description>
   <pubDate>Mon, 19 May 2008 16:07:21 GMT</pubDate>
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   <title>Workshop on Oxygen in the Earliest Solar System</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1278
LPI Editorial Board
Workshop on Oxygen in the Earliest Solar System, September 19-21, 2005, Gatlinburg, Tennessee
Lunar and Planetary Institute, Abstract volume</description>
   <pubDate>Mon, 19 May 2008 16:06:48 GMT</pubDate>
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   <title>Low-frequency radar sounding investigations of the North Amargosa Desert, Nevada</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1250
Heggy E.; Clifford, S.; Grimm, R.; Dinwiddie, C.; Stamatakos, J.; Gonzalez, S.
&lt;span class=&quot;Z3988&quot; title=&quot;ctx_ver=Z39.88-2004&amp;amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;amp;rfr_id=info%3Asid%2Focoins.info%3Agenerator&amp;amp;rft.genre=article&amp;amp;rft.title=Journal+of+Geophysical+Research&amp;amp;rft.stitle=Journal+of+Geophysical+Research&amp;amp;rft.issn=0148-0227&amp;amp;rft.date=2006&amp;amp;rft.volume=111&amp;amp;rft.issue=e6&amp;amp;rft.spage=E06S03&amp;amp;rft.aulast=Heggy&amp;amp;rft.aufirst=&amp;amp;rft.au=Heggy&amp;amp;rft_id=info:doi/10.1029%2F2005JE002523&quot;&gt;&lt;/span&gt;
Low-frequency radar sounding investigations of the North Amargosa Desert, Nevada: A potential analog of conductive subsurface environments on Mars http://dx.doi.org/10.1029/2005JE002523
Geophysical Research Letters, vol. 111, E6, E06S03, doi:10.1029/2005JE002523</description>
   <pubDate>Mon, 19 May 2008 16:05:50 GMT</pubDate>
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   <title>Rhonite in Luna 24 pyroxenes: First find from the Moon, and implications for volatiles in planetary magmas</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2004.shtml</link>
   <description>1362
Treiman, A.H.
Rhonite in Luna 24 pyroxenes: First find from the Moon, and implications for volatiles in planetary magmas
&lt;cite&gt;American Mineralogist&lt;/cite&gt;
February 2008; v. 93; no. 2-3; p. 488-491; DOI: 10.2138/am.2008.2781</description>
   <pubDate>Tue, 04 Mar 2008 21:31:36 GMT</pubDate>
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   <title>Experimental constraints on the parental liquid of the Chassigny meteorite</title>
   <link>http://www.lpi.usra.edu/lpi/lpi_contribution_2007.shtml</link>
   <description>1370
Filiberto, J.
Experimental constraints on the parental liquid of the Chassigny meteorite: A possible link between the Chassigny meteorite and a Guseuv basalt.
&lt;cite&gt;Geochimica et Cosmochimica Acta&lt;/cite&gt; 
Volume 72, Issue 2, 15 January 2008, Pages 690-701; doi:10.1016/j.gca.2007.11.007</description>
   <pubDate>Tue, 22 Jan 2008 22:31:21 GMT</pubDate>
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