Artículo
Burkeite and hanksite at Copahue, Argentina: The first occurrence of sulphate-carbonate minerals in a geothermal field
Fecha de publicación:
04/2007
Editorial:
Mineralogical Society
Revista:
Mineralogical Magazine
ISSN:
0026-461X
e-ISSN:
1471-8022
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Deposition of two anhydrous sulphate-carbonate minerals, burkeite and hanksite, around a vapour escape in the pipe of a geothermal well of the Copahue field in Argentina is described. These minerals usually occur as efflorescences in saline soils or in continental lacustrine evaporite deposits, but have not been reported as products from geothermal fluids. Both minerals have been studied by means of X-ray diffraction, scanning electron microscopy and electron dispersive energy, and thermo-gravimetric analysis, and have been determined as burkeite, Na6(CO3)(SO4)2, and hanksite, KNa22(SO4)9 (CO3)2Cl.
Palabras clave:
Argentina
,
Burkeite
,
Copahue
,
Geothermal
,
Hanksite
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Licencia
Identificadores
Colecciones
Articulos(INGEOSUR)
Articulos de INST.GEOLOGICO DEL SUR
Articulos de INST.GEOLOGICO DEL SUR
Citación
Mas, Graciela Raquel; Bengochea, Amado Leandro; Mas, Luis Carlos; Burkeite and hanksite at Copahue, Argentina: The first occurrence of sulphate-carbonate minerals in a geothermal field; Mineralogical Society; Mineralogical Magazine; 71; 2; 4-2007; 235-240
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