tyle="MARGIN: 0cm 0cm 0pt; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" class=MsoNormal>tyle="FONT-SIZE: 14pt; mso-font-kerning: 0pt" lang=EN-US>ce="Times New Roman">The Jurassic geology of the Niuyingzi-Dengzhangzi area in southern Lingyuan in western ce prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />t1:place w:st="on">t1:place> has challenged geologists for many years. Its most controversial structural element is a narrow (0.1t1:PlaceName w:st="on">Liaoningt1:PlaceName> t1:PlaceType w:st="on">Provincet1:PlaceType>t1:chmetcnv w:st="on" UnitName="km" SourceValue="1.5" HasSpace="True" Negative="True" NumberType="1" TCSC="0">~1.5 kmt1:chmetcnv>), subvertical, fault-bounded panel of Middle Proterozoic Changzhougou quartzite and, locally, higher Changcheng System units. The geometry of the Dengzhangzi-Changzhougou-Guojiadian structural assemblage was subsequently modified by late Middle Jurassic or early Late Jurassic contraction. tyle="FONT-SIZE: 14pt; mso-font-kerning: 0pt" lang=EN-US>ce="Times New Roman">The results of the study indicate that the Jurassic tectonic history of the western t1:place w:st="on">t1:place> area was considerably more complicated than believed earlier. tyle="COLOR: #0067b6"> ce prefix = o ns = "urn:schemas-microsoft-com:office:office" />t1:State w:st="on">Liaoningt1:State>