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δ18O and δ13C isotope investigation of the Late Glacial and early Holocene biogenic carbonates from the Lake Lednica sediments,western Poland
Stable isotopes δ18O and δ13C Late Glacial Early Holocene western Poland
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2009/10/20
Stable isotope composition (δ18O and δ13C) of biogenic carbonates derived from the Lake Lednica sediments at Rybitwy, western Poland, was applied to obtain data on climatic changes during the Late Gla...
Reconstructions of the early and middle Holocene climate and environment based on δ13C and δ18O records in biogenic carbonates;Lake Niepruszewskie,western Poland
Biogenic carbonates Stable carbon and oxygen isotopes Lacustrine sediments palaeoclimate
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2009/10/20
Apolinarska, K. 2009. Reconstructions of the early and middle Holocene climate and environment based on δ13C and δ18O records in biogenic carbonates; Lake Niepruszewskie, western Poland. Acta Geologic...
Experimental study on the fractionation of yttrium from holmium during the coprecipitation with calcium carbonates in seawater solutions
calcium carbonates seawater Y/Ho ratios covalency
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2017/8/10
The partitioning of Y and Ho between CaCO3 (calcite and aragonite respectively) and seawater was experimentally investigated at 25°C and 1 atm. Both Y and Ho were observed to be strongly partitioned i...
Benzohopanes and diaromatic 8(14)-secohopanoids in some Late Permian carbonates
benzohopanes diaromatic 8(14)-secohopanoids Late Permian carbonates diagenesis GC-MS
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2017/8/9
We have detected a family of benzohopanes cyclised at C-20 and two families of diaromatic 8(14)-secohopanoids, in carbonates from the Late Permian Meishan (China) and Bulla (Italy) sections. Furthermo...
Taxonomic and Paelogeographic Approaches to the Dasyclad Algae in the Upper Jurassic (Kimmeridgian)-Upper Cretaceous (Cenomanian) Peritidal Carbonates of the Fele (Yassıbel) Area (Western Taurides, Turkey)
Fele (Yassı bel) area Taurides Peritidal carbonates Dasyclad algae Salpingoporella
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2009/7/8
In the Fele (Yassıbel) area in the north of Beyşehir Lake in the Western Taurides, Upper Jurassic (Kimmeridgian) - Upper Cretaceous (Cenomanian) peritidal carbonates were studied in detail. ...
Autochthonous Upper Permian (Midian) Carbonates in the Western Sakarya Composite Terrane, Geyve Area, Turkey: Preliminary Data
Karakaya Complex basement autochthon limestone Upper Permian
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2009/7/8
Permian limestones occur widely within the clastic units of the "Karakaya Complex" and are interpreted as allochthonous bodies or olistoliths. In the Kadirler area to the south of Geyve, however, Upp...
Lacustrine chalky carbonates: origin, physical properties and diagenesis (Palaeogene of the Madrid Basin, Spain)
Chalky carbonates Lacustrine deposits Physical properties Overpressure Palygorskite Palaeogene
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2011/11/8
The Palaeogene lacustrine chalky carbonates of the Madrid Basin are a peculiar type of very soft and friable carbonate facies with high porosity despite being covered by more than 800 m of sediment. S...
Dolomitization and silicification in low-energy lacustrine carbonates (Paleogene, Madrid Basin, Spain)
Shallow lacustrine carbonates Chalks Dolomitization Cherts Paleogene Madrid Basin
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2011/11/14
Repetitive sequences of carbonate deposits, occurrence include in the lower part of the Paleogene Carbonate Unit (northeast border of the Madrid Basin), have been studied, defining regressive lacustri...
Effects of Mg-Fe2+ substitution in calcite-structure carbonates: Thermoelastic properties
Mg-Fe2+ substitution calcite-structure carbonates Thermoelastic properties
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2012/3/31
In situ X-ray diffraction has been carried out on two siderite samples of different Fe contents simultaneously at high pressure and high temperature in a DIA-type, large-volume apparatus. Unit-cell vo...
Thermochemistry of double carbonates in the K2CO3-CaCO3 system
Thermochemistry double carbonates K2CO3-CaCO3 system
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2012/4/5
Enthalpiesofformation,H,ofthedoublecarbonatesK Ca(CO ) (withtwopoly-morphs,bu!§tschliiteandfairchildite)andCa (CO ) fromthecomponentsK CO andCaCO
weredeterminedat298Kbydropsolutioncalorimetryinmolten...
The Influence of Aluminum on Iron Oxides. VI. The Formation of Fe(II)-Al(III) Hydroxy-Chlorides, -Sulfates, and -Carbonates as New Members of the Pyroaurite Group and Their Significance in Soils
Fe-Al hydroxycarbonate Fe-Al hydroxychloride Fe-Al hydroxysulfate Green rust Iron oxide Pyroaurite
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2012/2/9
In the absence of oxygen, Fe(II) chloride, sulfate, and carbonate solutions react at pH 6.5 to 7 with aluminum hydroxide suspensions to form new Fe(II)-Al(III) hydroxy anion compounds of the pyroaurit...