نتایج جستجو برای: porphyry copper unit
تعداد نتایج: 475413 فیلتر نتایج به سال:
The reaction of copper(I) iodide with 1-[2-(cyclo-hexyl-sulfan-yl)eth-yl]pyridin-2(1H)-one (L, C13H19NOS) in aceto-nitrile/di-chloro-methane results in a crystalline coordination polymer, namely poly[bis-{μ2-1-[2-(cyclo-hexyl-sulfan-yl)eth-yl]pyridin-2(1H)-one}tetra-μ3-iodido-tetra-copper(I)], [Cu4I4L2] n . The asymmetric unit comprises two ligand mol-ecules, four copper(I) ions and four iodide...
The Don Manuel porphyry copper system, located in the Miocene–Pliocene metallogenic belt of central Chile, contains spatially zoned alteration styles common to other deposits including extensive potassic alteration, propylitic localized sericite-chlorite and argillic but lacks pervasive hydrolytic typical some deposits. It is one youngest Andes. Timing mineralization hydrothermal system at are ...
This paper describes native gold in ore-bearing breccias with realgar-orpiment cement from the Vorontsovskoe deposit (Northern Urals, Russia). Particular attention is paid to morphological features of and its relation other minerals. The latter include both common (orpiment, barite, pyrite, prehnite, realgar) rare species (Tl Hg sulfosalts, such as boscardinite, dalnegroite, écrinsite, gillulyi...
This paper presents the vacuum structures of aquacopper(II) bis(amino acid) complexes with glycine, sarcosine, N,N-dimethylglycine, and N-tert-butyl-N-methylglycine estimated using the B3LYP method. The differences between the B3LYP vacuum structures and experimental crystal structures suggested considerable influence of crystal lattice packing effects on the changes in the complexes' geometrie...
The Rugged Mountain intrusion is a small (14 km% zoned alkaline pluton located in northwestern British Columbia, 25 kilometres southwest of Telegraph Creek (Brown eta/., lYY2;r. h). The pluton is exposed on the north side of Shakes Creek, a southeasterly flowing tributary of the Stikine River and on the south flank of Rugged Mountain from which it takes its name. The Rugged Mountain pluton was ...
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