Middle Neoproterozoic sedimentary strata are widely distributed on the periphery of Yangtze Block. In western Jiangnan Orogen, they divided into Lengjiaxi and Banxi groups by “Wuling unconformity,” Group is further Madiyi Formation Wuqiangxi “Xihuangshan unconformity.” However, timing tectonic significance Wuling Xihuangshan unconformities remain unclear, which hampers our understanding Precamb...

der vorliegende aufsatz stellt eine selektive zusammenfassung des ausser ordentlich interessanten buches von j. aubouin(1965),das unter dem titel«geosynclines » verfasst worden ist , dem still des buches folgend wird zunachst der beg riff «geosynklinale» geschichtlich verfolgt und erlautert; vor allem werden die amerikanischen und eurpaischen auffassungen sich gegenubergestellt. schliesslich wi...

EDITORIAL Suggested citation for this article: Behringer B, Friedell GH. Appalachia: where place matters in health. Prev Chronic Dis [serial online] 2006 Oct [date cited]. Facts about health in the mountains of Appalachia have been slow to emerge. The formation of the Appalachian Regional Commission in the 1960s led to increased efforts to combat known precursors to poor health (e.g., low incom...

Abstract The North China craton of central Asia is a natural laboratory for investigating early Earth tectonic processes including subduction and large-scale horizontal crustal motions. However, it remains unclear how when the formed from amalgamation several blocks orogens Archean Western Eastern blocks, late Central Orogenic Belt, Paleoproterozoic Northern Margin orogen. In this study, we int...