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Fossils,frogs,floating islands and expanding Earth in changing-radius cartography A comment to a discussion on Journal of Biogeography
changing radius cartography paleogeography biogeography Pacific paleobiogeography expanding Earth
2015/9/2
In this short note I have tried to make clear the issues surrounding a recent discussion on changing-radius paleobiogeographical problems of the Pacific Ocean biotic distribution. It is stressed that ...
OSL dating in palaeoenvironmental reconstructions.A discussion from a user's perspective
OSL dating chronology stratigraphy palaeoenvironmental reconstruction Quaternary
2009/10/21
Four studies with series of OSL dated aeolian sediments are outlined and used for a discussion of the reliability of this dating method in palaeoenvironmental reconstructions. The OSL ages form series...
Discussion on “Aiban SA (2006) Compressibility and swelling characteristics of Al-Khobar Palygorskite, eastern Saudi Arabia.Engineering Geology 87(3–4):205–219”
Palygorskite Swelling Compressibility
2011/11/8
The evolution of expansive clay minerals including palygorskite in the sedimentary soils of eastern Saudi Arabian must be understood in light of the prevalent
climatic and environmental conditions an...
Reply to the Discussion by Shahid Azam on “Aiban, SA (2006) Compressibility and swelling characteristics of Al-Khobar Palygorskite, eastern Saudi Arabia,Engineering Geology 87(3–4):205–219”
Palygorskite Expansive material Arabian shelf Differential thermal analysis Swell potential Swelling pressure
2011/11/11
The author would like to express his thanks and appreciation to the discusser for his interest in the paper and for the comments
raised. The discusser raised a few points, and it seems that he is loo...
A new high-pressure silica phase obtained by molecular dynamics - Discussion
high-pressure silica phase obtained molecular dynamics - Discussion
2012/4/6
Belonoshko et al. (1996) argued that they found a new high-pressure silica phase (which they denoted SBAD) with spacegroup Pnc2 from molecular dynamics (MD) simulations. How-ever, we noticed that a si...
Magma transport and metasomatism in the mantle: A critical review of current geochemical models---Discussion
Magma transport metasomatism mantle critical review current geochemical models---Discussion
2012/4/6
Nielson and Wilshire (1993) promised a review of geochemically based models for magma transport and metasomatism in the mantle. However, they focused ondiscrediting the chromatographic modelofNavon an...
Mechanism of CO32- substitution in carbonate-fluorapatite: Evidence from FTIR spectroscopy, 13C NMR, and quantum mechanical calculations---Discussion
Mechanism CO32- substitution carbonate-fluorapatite Evidence FTIR spectroscopy 13C NMR quantum mechanical calculations---Discussion
2012/4/5
The carbonate substitution in apatite continues to pro-voke controversies. In a recent paper, Regnier etal. (1994) challenged the existence of the hypothetical C03P- ion in carbonate-fluorapatite (fra...
The Thermodynamic Status of Compositionally-Variable Clay Minerals: A Discussion
Illite Montmorillonite Thermodynamic status Excess lattice energy Solubility Compositional variation
2011/12/30
According to Lippmann (1977, 1982) wide compositional variations and excess enthalpies of mixing calculated with electrostatic models imply that clay minerals of variable composition are dis-equilibri...
Kaolinite Synthesis. II. A Review and Discussion of the Factors Influencing the Rate Process
Hydrothermal Kaolinite Synthesis Thermodynamic
2012/2/10
Kaolinite is synthesized in approximately the same time in three temperature ranges: (1) from 200–250° to 350–400° (hydrothermal processes); (2) from 120 to 175° (semihydrothermal ones); (3) at ordina...
Comparative Studies on Extraction of Sediment Interstitial Waters: Discussion and Comment on the Current State of Interstitial Water Studies
Comparative Studies Sediment Interstitial Waters
2012/2/15
The implication by Murthy and Ferrell (1972) that interstitial water studies are in a confused state is criticized on the basis that the authors have not drawn on a considerable body of data, especial...
Discussion of the Occurrence and Origin of Sedimentary Palygorskite-Sepiolite Deposits
Palygorskite-Sepiolite Deposits Discussion
2012/2/15
Marine and non-marine palygorskite-sepiolite deposits are found throughout the world and occur interbedded with chert, dolomite, limestone, phosphates and other non-detrital sedimentary rocks. The ori...
DISCUSSION OF THE OCCURRENCE AND ORIGIN OF SEDIMENTARY PALYGORSKITE-SEPIOLITE DEPOSITS
SEDIMENTARY PALYGORSKITE-SEPIOLITE DEPOSITS attapulgite
2011/11/15
Marine and non-marine palygorskite-sepiolite deposits are found throughout the world and occur interbedded with chert, dolomite, limestone, phosphates and other non-detrital sedimentary rocks. The ori...