نتایج جستجو برای: granulite
تعداد نتایج: 412 فیلتر نتایج به سال:
Abstract In this contribution, we present the stratigraphy of igneous and metamorphic rocks Taquetren Range, a sector located in southernmost margin North Patagonian Massif (42°42′00″ S - 69°30′00″ W). Its basement is composed newly defined “Lagunita Salada Igneous-Metamorphic Complex” (LSIMC), “Paso del Sapo Plutonic (PSPC) “Sierra de (STPC). The LSIMC comprises gneisses, schists, amphibolites...
There are metabasite exposures inside ophiolitic belt of northwest Sabzevar that metamorphosed under high pressure granulite facies. On the basis of mineralogical paragenesis, reactional textures between different mineralogical assemblages, textural and mineralogical relations between inclusion and porphyroblast and stability fields of different mineralogical assemblages, five stages of evoluti...
Zircons from charnockitoids of the Tashlyk complex Pryinhul syncline were studied and dated in order to determine their chronostratigraphic position. two age generations identified, namely Early Archean (ca. 3 Ga) Proterozoic (2.0±0.1 Ga). The presence former generation indicates that protolith for charnockites have been represented by rocks older than Spasove Series, which is considered be age...
79215; green=P, blue=Ca, red=Fe. Apatite is cyan; plagioclase is blue, olivine is red, opx is dark. Table 1. Average chemical analysis of 79215 apatite. Avg* 1 σ To 8 cations SiO2 0.41 0.02 Ti 0.001 TiO2 0.01 0.02 Al 0.001 Al2O3 0.01 0.02 Ce 0.002 Ce2O3 0.05 0.02 REE 0.012 REE2O3 0.21 ** Fe 0.014 FeO 0.20 0.06 Mn 0.002 MnO 0.02 0.02 Mg 0.017 MgO 0.14 0.03 Ca 4.973 CaO 54.86 0.15 Sr 0.002 SrO 0....
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