Geochronometria Volume 39 Issue 3

Journal Article

From the discovery of radioactivity to the development of the K-Ar dating method

Hałas, Stanisław

2012 Geochronometria

In this paper I try to explain why the potassium-argon dating method was developed much later than other radiometric methods (like U-He and U-Pb), which were established at the beginning of the 20th century. In fact the pioneering paper by Aldrich and Nier (1948) was published 50 years after the...

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Journal Article

From the discovery of radioactivity to the development of the K-Ar dating method

Hałas, Stanisław

2012 Geochronometria

doi:10.2478/s13386-012-0010-8

Abstract In this paper I try to explain why the potassium-argon dating method was developed much later than other radiometric methods (like U-He and U-Pb), which were established at the beginning of the 20th century. In fact the pioneering paper by Aldrich and Nier (1948) was published 50 years...

LitStream

Journal Article

Chemical U-Th-Pb geochronology: A precise explicit approximation of the age equation and associated errors

Săbău, Gavril

2012 Geochronometria

doi:10.2478/s13386-012-0007-3

Abstract In a single decaying system, the age determined from the exponential decay law is directly related to its linear Maclaurin approximation. This relationship can be additively extended to several decaying systems resulting in the same daughter element, by using proportionality functions,...

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Journal Article

Chemical U-Th-Pb geochronology: A precise explicit approximation of the age equation and associated errors

Săbău, Gavril

2012 Geochronometria

doi:10.2478/s13386-012-0007-3

In a single decaying system, the age determined from the exponential decay law is directly related to its linear Maclaurin approximation. This relationship can be additively extended to several decaying systems resulting in the same daughter element, by using proportionality functions, thus...

LitStream

Journal Article

Dendrochronological methods for reconstructing mass movements — An example of landslide activity analysis using tree-ring eccentricity

Malik, Ireneusz; Wistuba, Małgorzata

2012 Geochronometria

doi:10.2478/s13386-012-0005-5

Dendrochronological methods can be applied to the reconstruction of different types of environmental events such as climate changes, fires, glacier movements, floods, earthquakes, volcano activity. In the field of geomorphology dendrochronology is increasingly frequently used for the absolute...

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Journal Article

Dendrochronological methods for reconstructing mass movements — An example of landslide activity analysis using tree-ring eccentricity

Malik, Ireneusz; Wistuba, Małgorzata

2012 Geochronometria

doi:10.2478/s13386-012-0005-5

Abstract Dendrochronological methods can be applied to the reconstruction of different types of environmental events such as climate changes, fires, glacier movements, floods, earthquakes, volcano activity. In the field of geomorphology dendrochronology is increasingly frequently used for the...

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Journal Article

Early development of late Vistulian (Weichselian) lacustrine sediments in the Żabieniec swamp (central Poland)

Pawłowski, Dominik

2012 Geochronometria

doi:10.2478/s13386-012-0009-1

The early sedimentological and ecological developmental stages of a late Vistulian lake in the Żabieniec swamp near Łódź (central Poland) were analysed by radiometric dating, changes in the frequency of specimens and species composition of Cladocera and multivariate statistical analysis (DCA)....

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Journal Article

Early development of late Vistulian (Weichselian) lacustrine sediments in the Żabieniec swamp (central Poland)

Pawłowski, Dominik

2012 Geochronometria

doi:10.2478/s13386-012-0009-1

Abstract The early sedimentological and ecological developmental stages of a late Vistulian lake in the Żabieniec swamp near Łódź (central Poland) were analysed by radiometric dating, changes in the frequency of specimens and species composition of Cladocera and multivariate statistical analysis...

LitStream

Journal Article

Behavior of various Nigerian quartz samples to repeated irradiation and heating

Oniya, Ebenezer; Polymeris, George; Tsirliganis, Nestor; Kitis, George

2012 Geochronometria

doi:10.2478/s13386-012-0008-2

Abstract In the present work the sensitization of the entire glow-curve is studied in 6 different quartz samples of Nigerian origin. The investigation was applied to the un-fired “as is” samples as well as to samples fired at 900°C for 1 hour following cooling to room temperature. The results...

LitStream

Journal Article

Behavior of various Nigerian quartz samples to repeated irradiation and heating

Oniya, Ebenezer; Polymeris, George; Tsirliganis, Nestor; Kitis, George

2012 Geochronometria

doi:10.2478/s13386-012-0008-2

In the present work the sensitization of the entire glow-curve is studied in 6 different quartz samples of Nigerian origin. The investigation was applied to the un-fired “as is” samples as well as to samples fired at 900°C for 1 hour following cooling to room temperature. The results showed that...

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Geochronometria Volume 39 Issue 3

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