Results 21 to 30 of about 2,190 (69)

Metodología para el estudio de la clorita en rocas metamórficas

open access: yes, 1983
8 páginas, 6 figuras, 5 tablas[EN] A methodology based on microscopio and X-ray diffraction studies is proposed, for the cases where the grain size of chlorites do not make available the use of other methods.
Rodríguez-Gallego, Manuel, Nieto, F.
core  

Química mineral da clorita e muscovita do depósito de Au ± Cu disseminado do Pé Quente, na Província Aurífera de Alta Floresta (MT)

open access: yes, 2018
The Alta Floresta Gold Province (AFGP), northern region of Mato Grosso State, corresponds to a crustal segment inserted in the southern sector of the Amazon Craton, constituted by plutonic, volcanic and volcano-sedimentary sequences of the Paleo ...
Calaboni, Rodrigo [UNESP]
core  

Aspectos químicos de la magnetita y clorita de las "ironstones" ordovicicas de Zamora (España)

open access: yes, 1996
The chemical characteristics of the magnetites and the chlorites from Ordovician ironstones of Zamora are described in this paper. The unusually Hig contents of Ti, V, Cr. Ba and Ni magnetite indicates, probably, the existence of a basic precursor in the sourceland and Co/Ni ratio
Fernández Fernández, A.   +1 more
openaire   +1 more source

Las cloritas de los cuerpos pegmatíticos del plutón de La Cabrera (Sistema Central Español)

open access: yes, 1996
The chlorites included within the pegmatitic bodies of the La Cabrera pluton (Spanish Central System) have been studied in order to stablish their characterization, clasification and relationship with other minerals. Two different chlorite types have been recognized: a) Fe-Mg chlorites (intermediate terms between clinoclore an chamosite), asociated ...
Lozano Fernández, R. P.   +3 more
openaire   +1 more source

Caracterización mineralógica y geoquímica de la alteración sericita-clorita y mineralización asociada en el proyecto Antakori Cu-Au-Ag Cajamarca - Perú

open access: yes, 2021
El proyecto Antakori está ubicado a 50 km al noroeste de la ciudad de Cajamarca y es parte de los depósitos de Cu-Au-Ag del Mioceno del norte del Perú. La geología del proyecto consiste en un basamento cretácico de cuarcitas, arcosas, lutitas calcáreas y
Portocarrero Ccaccya, David Gerardo
core  

Relación entre las intensidades de las reflexiones basales y el contenido y distribución de átomos pesados en cloritas

open access: yes, 2011
[EN] An empirical method, based on the variation of the ratios between the structure factors of the 004/003 and 004/005 basal reflexions, is proposed. This method takes into account not only presence of heavy atoms but also the chlorite di-trioctahedric character.
Nieto, F.   +3 more
openaire   +1 more source

Caracterização petrográfica e química de clorita e mica branca do depósito aurífero do Basílio, Província de Alta Floresta (MT)

open access: yes, 2018
The Alta Floresta Gold Province (AFGP), located at north of Mato Grosso State, hosts more than a hundred medium- to high-grade and low tonnage gold-rich deposits.
Silva, Felipe Lucio da [UNESP]
core  

Composición de las cloritas en las rocas básicas del Cámbrico de Zafra (Badajoz). Control térmico vs composicional

open access: yes, 2011
2 páginas. Resúmenes de Comunicaciones de la XXI Reunión de la SEM (Málaga, 20-22 septiembre 2001)
López-Munguira, Aurora   +2 more
openaire   +1 more source

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