The Isotopic Composition of Lead from ST. Helelna and Ascension Islands

Stratigraphy, Facies Analysis and Ammonite Fauna of the Qal'eh Dokhtar Formation ( Middle- Upper Jurassic) at the Type Locality West of Boshrouyeh ( East- Central Iran)

Discovery of Two Ophiolite Complexes of Different Ages in the Khoy Area( NW iran)

Study of the compression and tension factors of safety with a 3d fem model for an arch dam and rock foundation

Possible Age of Allanite from Whiteface Mountain , Essex County , New york