Results 121 to 130 of about 6,935 (178)

Estudio de arcillas por Espectroscopia Mössbauer

open access: yes, 1982
Se aplica la espectroscopia Mössbauer al estudio de catorce arcillas minerales peruanas procedentes de diversos lugares geográficos y a una cerámica de Pachacamac, sitio arqueológico próximo a Lima. Se han realizado experimentos Mössbauer sobre dichas muestras sometidas a tratamientos térmicos en laboratorio a fin de determinar la influencia que sobre ...
Marticorena, Benjamín   +1 more
openaire   +1 more source

Compositional data supports decentralized model of production and circulation of artifacts in the pre-Columbian south-central Andes. [PDF]

open access: yesProc Natl Acad Sci U S A, 2017
Lazzari M   +5 more
europepmc   +1 more source

Arcillas caoliníticas del departamento del cauca

open access: yes, 1988
The present study contains the results of mineralogical analysis made by X-ray diffraction of a set of samples of sedimentary fluvial-lacoustre clays and others wichare produced by weathering of ignimbrites and tonalitic rocks. The mineralogical analysis was practiced over clay fraction (particles with 2 microns in grain diameter).
Varela, Juan de Dios   +2 more
openaire   +1 more source

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