<?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>David Cummings</dc:creator>
  <dc:date>1972</dc:date>
  <dc:description>&lt;p&gt;&lt;span class="TextRun SCXW198490714 BCX8" lang="EN-US" xml:lang="EN-US" data-contrast="auto"&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;The Clavius quadrangle&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt; is in the southern lunar highlands about 500 km south of the Mare &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;Nubium&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt; and 150 km south of the large young crater Tycho.&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt; This part of the &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;M&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;oon is characterized by densely cratered &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;topography and the absence of mare materials. Geologic units in the quadrangle cannot be directly &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;correlated&lt;/span&gt; &lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;with those in the vicinity of Mare &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;Imbrium&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;, 2500 km to the north, which define&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt; most of the lunar &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;time-stratigraphic systems (Shoemaker and Hackman, 1962&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;; &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;Wilhelms&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;, 1970). However, the relative ages of rock units, including &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;crater materials, have been determined by established geologic methods, such as superposition and cross-cutting relations. In addition, crater materials have been positioned within the lunar time &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;stratigraphic framework (&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;Offield&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;, 1971) by estimates. Based on morphology, of their state of erosion (&lt;/span&gt;&lt;span class="SpellingError SCXW198490714 BCX8"&gt;Pohn&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt; and &lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;Offi&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;e&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;ld&lt;/span&gt;&lt;span class="NormalTextRun SCXW198490714 BCX8"&gt;, 1970).&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>10.3133/i706</dc:identifier>
  <dc:language>en</dc:language>
  <dc:publisher>U.S. Geological Survey</dc:publisher>
  <dc:title>Geologic map of the Clavius Quadrangle of the Moon</dc:title>
  <dc:type>reports</dc:type>
</oai_dc:dc>