| Titre de série : |
U.S. Geological Survey Supply paper, 2274 |
| Titre : |
Relation between ground-water quality and mineralogy in the coal-producing norton formation of Buchaman county, Virginia |
| Type de document : |
texte imprimé |
| Auteurs : |
Powell, J. D. ; Larson, J. D. |
| Mention d'édition : |
U. S. Geological Survey |
| Editeur : |
U. S. Geological Survey |
| Année de publication : |
1985 |
| ISBN/ISSN/EAN : |
CI-05054 |
| Note générale : |
The geochimical processes controlling groundwater chemistry in the coal-producing state if southwestern Virginia include hydrolysis of silicates, dissolution of carbonates, oxidation of pyrite, catian exhange and precipitation of secondary minerals, kaolinite and geothite. Core material from the Norton-Formation of the Pennsylvania period is composed of slightly more than one-half sandstone siltstone and minor amounts of shale, clay and coal account for the majority of the remainder. Petrographic analyses and x-ray diffraction studie indicate that the sandstone is about 75 percent quartz, 15 percent plagioclase feldspar, 2 percent potassium feldspar, 2 percent muscovite, 4 percent chlorite and 1 percent siderite... |
| Langues : |
Anglais (eng) |
| Mots-clés : |
Hydrogéologie Minéralogie Hydrologie Climat Eau souterraine Qualité de l'eau Hydrochimie |
| Index. décimale : |
551.48 Hydrologie : |
| Résumé : |
The geochimical processes controlling groundwater chemistry in the coal-producing state if southwestern Virginia include hydrolysis of silicates, dissolution of carbonates, oxidation of pyrite, catian exhange and precipitation of secondary minerals, kaolinite and geothite. Core material from the Norton-Formation of the Pennsylvania period is composed of slightly more than one-half sandstone siltstone and minor amounts of shale, clay and coal account for the majority of the remainder. Petrographic analyses and x-ray diffraction studie indicate that the sandstone is about 75 percent quartz, 15 percent plagioclase feldspar, 2 percent potassium feldspar, 2 percent muscovite, 4 percent chlorite and 1 percent siderite... |
| Note de contenu : |
The geochimical processes controlling groundwater chemistry in the coal-producing state if southwestern Virginia include hydrolysis of silicates, dissolution of carbonates, oxidation of pyrite, catian exhange and precipitation of secondary minerals, kaolinite and geothite. Core material from the Norton-Formation of the Pennsylvania period is composed of slightly more than one-half sandstone siltstone and minor amounts of shale, clay and coal account for the majority of the remainder. Petrographic analyses and x-ray diffraction studie indicate that the sandstone is about 75 percent quartz, 15 percent plagioclase feldspar, 2 percent potassium feldspar, 2 percent muscovite, 4 percent chlorite and 1 percent siderite... |
U.S. Geological Survey Supply paper, 2274. Relation between ground-water quality and mineralogy in the coal-producing norton formation of Buchaman county, Virginia [texte imprimé] / Powell, J. D. ; Larson, J. D. . - U. S. Geological Survey . - U. S. Geological Survey, 1985. ISSN : CI-05054 The geochimical processes controlling groundwater chemistry in the coal-producing state if southwestern Virginia include hydrolysis of silicates, dissolution of carbonates, oxidation of pyrite, catian exhange and precipitation of secondary minerals, kaolinite and geothite. Core material from the Norton-Formation of the Pennsylvania period is composed of slightly more than one-half sandstone siltstone and minor amounts of shale, clay and coal account for the majority of the remainder. Petrographic analyses and x-ray diffraction studie indicate that the sandstone is about 75 percent quartz, 15 percent plagioclase feldspar, 2 percent potassium feldspar, 2 percent muscovite, 4 percent chlorite and 1 percent siderite... Langues : Anglais ( eng)
| Mots-clés : |
Hydrogéologie Minéralogie Hydrologie Climat Eau souterraine Qualité de l'eau Hydrochimie |
| Index. décimale : |
551.48 Hydrologie : |
| Résumé : |
The geochimical processes controlling groundwater chemistry in the coal-producing state if southwestern Virginia include hydrolysis of silicates, dissolution of carbonates, oxidation of pyrite, catian exhange and precipitation of secondary minerals, kaolinite and geothite. Core material from the Norton-Formation of the Pennsylvania period is composed of slightly more than one-half sandstone siltstone and minor amounts of shale, clay and coal account for the majority of the remainder. Petrographic analyses and x-ray diffraction studie indicate that the sandstone is about 75 percent quartz, 15 percent plagioclase feldspar, 2 percent potassium feldspar, 2 percent muscovite, 4 percent chlorite and 1 percent siderite... |
| Note de contenu : |
The geochimical processes controlling groundwater chemistry in the coal-producing state if southwestern Virginia include hydrolysis of silicates, dissolution of carbonates, oxidation of pyrite, catian exhange and precipitation of secondary minerals, kaolinite and geothite. Core material from the Norton-Formation of the Pennsylvania period is composed of slightly more than one-half sandstone siltstone and minor amounts of shale, clay and coal account for the majority of the remainder. Petrographic analyses and x-ray diffraction studie indicate that the sandstone is about 75 percent quartz, 15 percent plagioclase feldspar, 2 percent potassium feldspar, 2 percent muscovite, 4 percent chlorite and 1 percent siderite... |
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