نتایج جستجو برای: amphibolite
تعداد نتایج: 506 فیلتر نتایج به سال:
Zoisite and clinozoisite are coexistent in the Salmas epidote- amphibolites, NW Iran. The frequency of zoisite is higher than clinozoisite in the studied epidote- amphibolites. The pistacite content of zoisite is lower than clinozoisite. XPs in zoisite is about 6.46-10.65% while for clinozoisite it is about 16.72-18.73%. Al-Fe3+ substitution was effective to create the mineral compositional cha...
Metapelites of the Do Chah complex (SE Shahrood) are composed of micaschist, garnet micaschist, chloritoid schist and garnet-bearing gneiss. In the highest degree of metamorphism, metapelites have been affected by partial melting, resulting as granitization. A significant part of these rocks, imposed by compressional tectonic regime and show typical evidence of plastic deformation and intensive...
This study focuses on the petrographic and structural characteristics of geological formations Alépé region in Comoé basin. The characterization allows us to retain that area abounds a variety lithologies: amphibole metagranite, metadiorite, amphibolite metagrauwacke. lineament map attests was affected by polyphase tectonics (ductile brittle), all these deformations have NW-SE NNW-SSE; NW-ESE N...
Geotourism potential of Eruku and its environs with emphasis on Ilado hill was appraised.The methods adopted in this work includes geological field mapping interview. From the exercise, rocks include migmatite, gneisses, amphibolite granites, diorite pegmatite. The tourist attractions remnant ancient city wall (Odi Ilu), joining Abumo) hill. also discovered to be an abandoned gate made gold ful...
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