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Madagascar2009Field Report

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Madagascar2009Field Report
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     2  3 T RACKING DINOSAURS IN M ADAGASCAR   Report of the 2009 paleontological expedition to the Bemaraha National Park D’O RAZI P ORCHETTI ,   S.;   L EROUX ,   G.;   W AGENSOMMER ,   A.;   L ATIANO ,   M.   &   C ASSANO ,   G.   (2010) Tracking Dinosaurs in Madagascar. Report of the 2009 Paleontological Expedition to the  Bemaraha National Park  . Atti del GRID – Gruppo di Ricerca sulle Impronte di Dinosauro, n. 1, pp. 1-65. San Giovanni Rotondo (Italia), 2010.  4  5 Contents Abstract …………………………………………………………………………. 7 Introduction ……………………………………………………………………... 7 Geological setting ………………………………………………………………. 8 Methods ………………………………………………………………………… 10 Stratigraphy …………………………………………………………………….. 11 Sites …………………………………………………………………………….. 18 Are we dealing with a ‘megatracksite’ ? ……………………………………….. 20 Site Maps ……………………………………………………………………….. 21 Track morphologies and trackmaker species …………………………………... 35 Trackway orientations ………………………………………………………….. 44 May the Bemaraha dinosaur tracks act as an attraction to increase ecotourism in the Park? …………………………………………….. 49 Conclusions …………………………………………………………………….. 53 Acknowledgements …………………………………………………………….. 53 References ……………………………………………………………………… 54 Appendix ……………………………………………………………………….. 57 How did dinosaur footprints form? …………………………………………….. 59 Oddities: ‘cow tracks’ and the Sahalaly Mystery Fossil …....……………………… 61 Glossary ………………………………………………….…………………….. 63
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