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The Iberian type of volcano-sedimentary massive sulphide deposits
Abstract The Iberian Pyrite Belt, located in the SW Iberian Peninsula, contains many Paleozoic giant and supergiant massive sulphide deposits, including the largest individual massive sulphide bodiesExpand
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Geology and genesis of the Aznalcóllar massive sulphide deposits, Iberian Pyrite Belt, Spain
Abstract The Aznalcóllar mining district is located on the eastern edge of the Iberian Pyrite Belt (IPB) containing complex geologic features that may help to understand the geology and metallogenyExpand
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The nature of the PSR J2051-0827 eclipses
ABSTRA C T In the three years following the discovery of PSR J205120827, we have observed a large number of eclipse traverses over a wide frequency range. These data show that the pulsar usuallyExpand
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Geochemistry and U–Pb dating of felsic volcanic rocks in the Riotinto–Nerva unit, Iberian Pyrite Belt, Spain: crustal thinning, progressive crustal melting and massive sulphide genesis
Abstract: We present new geochemical, Sm–Nd and U–Pb data on the felsic volcanic rocks containing the world-class volcanic-hosted massive sulphide deposits in the Riotinto–Nerva unit, Iberian PyriteExpand
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On the interaction of rubidium and cesium mono‐, strontium and barium bi‐cations with DNA and RNA bases. A theoretical study
We performed a density functional investigation of the interactions of the two alkaline metal ions Rb(I) and Cs(I) and two alkaline earth metal ions Ba(II) and Sr(II), with DNA and RNA nucleobases.Expand
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Age and depositional environment of the Draa Sfar massive sulfide deposit, Morocco
The Draa Sfar mineralization consists of two main stratabound orebodies, Sidi M’Barek and Tazacourt, located north and south of the Tensift River (“Oued Tessift”), respectively. Each orebody isExpand
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A theoretical study on tautomerization processes of dehydrated and monohydrated cytosine
Some dehydrated and monohydrated tautomeric forms of cytosine enclosed in an energy range of about 20 kcal/mol were investigated at B3LYP/6-311+G(2df,2p) density functional level of theory with theExpand
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Density functional potential-energy hypersurface and reactivity indices in the isomerization of X3H+ (X = O, S, Se, Te)
Potential-energy hypersurfaces of protonated O 3 , S 3 , Se 3 and Te 3 systems have been investigated using the gradient-corrected density functional approximation. Both the open (C Expand
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Volcanic architecture in the Odiel river area and the volcanic environment in the Riotinto–Nerva Unit, Iberian Pyrite Belt, Spain
Abstract In order to assess the volcanic architecture of the VSC in the Iberian Pyrite Belt, Spain, a study of the volcanic and sedimentary lithofacies has been undertaken on a section up to 1000 mExpand
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Iodine substituted phosphorus corrole complexes as possible photosensitizers in photodynamic therapy: Insights from theory
In this study, the main photophysical properties (excitation energies, singlet‐triplet energy gap, and spin orbit coupling matrix elements) of some unsubstituted phosphorus corrole complexes have been determined by using density functional theory. Expand
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