The Laboratory of the “Research Group for Paleobiology and biostratigraphy of the Ammonites” (G.P.A; homepage: http://laboratoire.gpa.pagespersoorange. fr) is localised in Southeastern France, in the Alpes de ...

In this work we show that it is possible to define the isostatic state of a geological structure using a geoid undulations chart. We have built: (1) a detailed geoid undulations chart of the San Luis range area using (a) ...

Carboniferous rocks outcrop over vast areas in the Alborz Mountains. The Mobarak Formation outcrops in the studied area near the Kiyasar town, south-east of Sari, Northern Iran. The petrographic study produced the ...