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E-learning can play a vital role in providing suitable and effective learning environments to enhance the knowledge and skills of students. The paper will begin with an analysis of the recent e-lear...
Fluvial deposits of Miocene to Early Pleistocene age in Germany and the Netherlands were laid down in the delta of the Eridanos River System, but the exact provenance of this material continues to be ...
The early history of heterodontid sharks is documented mainly by isolated teeth. So far, three different heterodontid genera have been recorded from the Jurassic: Proheterodontus from theMiddle Jurass...
The macrofaunal content of an exceptionally fossiliferous Late Albian core section is described from Zippelsförde in the Brandenburg district in eastern Germany. The main faunal horizon includes ...
The new mineral tscho¨ rtnerite, ideally Ca4(K,Ca,Sr,Ba)3Cu3(OH)8[Si12Al12O48]· x H2O, x $ 20, occurs as well-formed cubes up to a maximum size of 0.15 mm in a Ca-rich xenolith at the Bellberg volcano...
Crystallography,writtenbyWalterBorchardt-Ottandtranslat-edfromtheoriginalGermanbyRobertO.Gould,isthesecondeditioninEnglishandisbasedonthe?fthGermanedition.The text,apaperback,istheresultofabout20year...
Iron impurities in the Hohen Hagen nontronite (NG-1) were identified as maghemite and goethite. The phase identified as maghemite was magnetically ordered at both room temperature and 87 K, with hyper...

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