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  <titleInfo>
    <title>On the mechanism of the geological undulation phenomena in general and of folding in particular and their application to the problem of the "Roots of mountains" theory</title>
  </titleInfo>
  <titleInfo type="alternative">
    <title>The Mechanism of the geological undulation phenomena</title>
  </titleInfo>
  <titleInfo type="alternative">
    <title>The "Roots of mountains" theory</title>
  </titleInfo>
  <name type="personal">
    <namePart>Tromp. Solco Walle.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">xx</placeTerm>
    </place>
    <place>
      <placeTerm type="text">Leiden</placeTerm>
    </place>
    <publisher>A.W. Sijthoff's uitgeversmaatschappij N.V.</publisher>
    <dateIssued>1937</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
  </language>
  <physicalDescription>
    <form authority="marcform">print</form>
    <extent>3p. l., 184 p. incl. illus., maps. diagrs. 25 cm.</extent>
  </physicalDescription>
  <note type="statement of responsibility">by Dr. S.W. Tromp.</note>
  <note>"List of publications": p. 172-184.</note>
  <subject authority="lcsh">
    <topic>Mountains</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Folds (Geology)</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Geology, Structural</topic>
  </subject>
  <classification authority="lcc">QE621 .T75</classification>
  <classification authority="ddc">541</classification>
  <identifier type="lccn">gs 37000222</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg">U.S. Geol. survey. Library</recordContentSource>
    <recordCreationDate encoding="marc">770622</recordCreationDate>
    <recordChangeDate encoding="iso8601">20260227111342.0</recordChangeDate>
    <recordIdentifier source="DLC">gs 37000222 </recordIdentifier>
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