搜索结果: 1-7 共查到“矿床学与矿相学 Italy”相关记录7条 . 查询时间(0.156 秒)
Reaction Mechanisms of Smectite Illitization Associated with Hydrothermal Alteration from Ponza Island, Italy
Atomic Force Microscopy Chemical Analysis Illite Polytype Smectite XRD
font style='font-size:12px;'>
2011/12/6
Abstract: A hydrothermally altered rhyolitic hyaloclastite from Ponza island, Italy, has four alteration zones with unique clay assemblages: (1) a non-pervasive argillic zone characterized by smectite...
Pedogenic Formation of Kaolinite-Smectite Mixed Layers in a Soil Toposequence Developed from Basaltic Parent Material in Sardinia (Italy)
Basaltic Rock (Weathering) Kaolinite-Smectite Mixed Layers Sardinia Smectite-Layer Charge Soils
font style='font-size:12px;'>
2011/12/7
Abstract: Formation of kaolinite-smectite (K-S) mixed layers in a soil toposequence developed from basaltic parent material was examined. The soil formed in a temperate climate with alternating dry an...
Occurrence of Clinoptilolite and Mordenite in Tertiary Calc-Alkaline Pyroclastites from Sardinia (Italy)
Clinoptilolite Fluid/Rock Interaction Mordenite Opal-CT Tertiary Pyroclastic Flows
font style='font-size:12px;'>
2011/12/7
Abstract: Clinoptilolite and mordenite occur as diagenetic products of medium-grained, moderately welded and poorly sorted pyroclastic flows belonging to the Tertiary calc-alkaline volcanism of Sardin...
Pedogenic Formation of High-Charge Beidellite in a Vertisol of Sardinia (Italy)
Beidellite High-charge Smectite Layers Illite-Smectite Mixed Layers Italy Smectite Soil Vertisol
font style='font-size:12px;'>
2011/12/8
Abstract: The fine clay (<0.1 祄) fraction of a clayey soil (Vertisol) from Sardinia (Italy) was studied by means of X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, cation exch...
Weathering of Chlorite to a Low-Charge Expandable Mineral in a Spodosol on the Apennine Mountains, Italy
Chlorite Hydroxy-interlayers Smectite Spodosols
font style='font-size:12px;'>
2011/12/1
Abstract: The clay fraction of a Spodosol and its parent rock in the Apennine mountains of central Italy were studied by powder X-ray diffraction (XRD) and infrared (IR) spectroscopy, to evaluate the ...
Dessauite, (Sr,Pb)(Y,U)(Ti,Fe3+)20O38, a new mineral of the crichtonite group from Buca della Vena mine, Tuscany, Italy
Dessauite Sr,Pb Ti Fe3+ 20O38 new mineral crichtonite group Buca della Vena mine Tuscany Italy
font style='font-size:12px;'>
2012/4/5
Dessauite,anewmineralinthecrichtonitegroup,occurswithincavitiesincalciteveinsastabular{001}rhombohedral,black,millimeter-sizedcrystalsatBucadellaVenaMine,
ApuanAlps(Tuscany,Italy).Itisassociatedwithd...
Low-Charge to High-Charge Beidellite Conversion in a Vertisol from South Italy
Beidellite Smectites Vertisol
font style='font-size:12px;'>
2011/12/28
The fine silt (2? 祄) coarse clay (0.1? 祄) and fine clay (<0.1 祄) fractions of a Vertisol from South Italy were studied with X-ray diffraction. The most reactive fine clay (<0.1 祄) fraction was investi...