<?xml version='1.0' encoding='utf-8'?>
<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>G. E. Ulrich</dc:creator>
  <dc:date>1969</dc:date>
  <dc:description>&lt;p&gt;&lt;span class="TextRun SCXW266906557 BCX8" lang="EN-US" xml:lang="EN-US" data-contrast="auto"&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt;Lunar surface materials are classed into units &lt;/span&gt;&lt;span class="AdvancedProofingIssue SCXW266906557 BCX8"&gt;on the basis of&lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt; visual observations and data from telescopic and Lunar Orbiter &lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt;photographs. &lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt;Each unit has a distinctive range of physical characteristics, such as topography and albedo (re&lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt;flectivity &lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt;under full-Moon illumination&lt;/span&gt;&lt;span class="ContextualSpellingAndGrammarError SCXW266906557 BCX8"&gt;)&lt;/span&gt;&lt;span class="ContextualSpellingAndGrammarError SCXW266906557 BCX8"&gt;, and&lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt; is considered analogous to a terrestrial rock-stratigraphic formation.&amp;nbsp;&lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt; These characteristics rather than lithologic properties &lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt;must, of necessity, suffice to define the units; however, the morphologic nature of most mappable&lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt; units on the Moon, is&lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt;, of itself, suggestive of a certain lithologic&lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt; composition, based on analogous terranes on Earth.&lt;/span&gt;&lt;span class="NormalTextRun SCXW266906557 BCX8"&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;span class="EOP SCXW266906557 BCX8" data-ccp-props="{&amp;quot;201341983&amp;quot;:0,&amp;quot;335559739&amp;quot;:160,&amp;quot;335559740&amp;quot;:259}"&gt;&amp;nbsp;&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.3133/i604</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>U.S. Geological Survey</dc:publisher>
  <dc:title>(LAC-11) Geologic map of the J. Herschel quadrangle of the moon</dc:title>
  <dc:type>reports</dc:type>
</oai_dc:dc>