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Phase Transformations Associated with Thermal Decomposition of Duthuni Kaolin, South Africa
Phase Transformations Associated Thermal Decomposition Duthuni Kaolin South Africa
2012/3/14
Phase Transformations Associated with Thermal Decomposition of Duthuni Kaolin, South Africa.
Halitpaşa Transpressive Zone: Implications for an Early Pliocene Compressional Phase in Central Western Anatolia, Turkey
western Turkey Aegean Late Cenozoic transpression extension
2009/7/8
The Late Cenozoic evolution of the eastern Aegean is dominated by widespread continental extension. The most prominent structures are E-W- and NE-SW-trending grabens and intervening horsts, while NW-...
Ankara Orogenic Phase, Its Age and Transition From Thrusting-dominated Paleotectonic Period to the Strike-slip Neotectonic Period, Ankara (Turkey)
fold imbricate reverse fault strike-slip fault suture zone Ankara orogenic phase Turkey
2009/7/7
The Ankara section of the İzmir-Ankara-Erzincan Suture Zone (IAESZ) is characterized by two major groups of contractional structures, namely the Ankara forced folds-monoclines and the southward-...
IAEG website enters its second phase
2008/1/16
Dear colleages,
The IAEG website has entered phase 2. Please forward the information below
to all IAEG members so that they can register.
Thank you very much in advance...
Solid-liquid phase equilibria of binary salt hydrate mixtures involving ammonium alum
phase diagrams aluminum salts differential drop calorimetry salts hydrates
2011/11/10
Summary The solid-liquid phase diagrams of binary mixtures of ammonium alum with ammonium iron(III) alum, with aluminum nitrate nonahydrate and with ammonium nitrate and of aluminum sulfate hexadecahy...
Phase Analysis of Clays Using an Expert System and Calculation Programs for X-Ray Diffraction by Two- and Three-Component Mixed-Layer Minerals
Clay Analysis Expert System Mixed-Layer Minerals Phase Analysis XRD
2011/12/2
Abstract: X-ray phase analysis of clays is difficult because these materials generally consist of a mixture of different phases, i.e., mixed-layer minerals, individual clay minerals (non mixed-layer),...
Mg-Rich Smectite “Precursor” Phase in the Tagus Basin, Spain
Precursor Clay Smectite Stevensite Tagus Basin (Spain) Incipient Crystallization
2011/12/6
Abstract: The pink clays from the Tagus basin, Spain, were characterized by X-ray difraction (XRD), infrared spectroscopy (IR), scanning electron microscopy (SEM), and transmission electron microscopy...
Interlayer structure, anion dynamics, and phase transitions in mixed-metal layered hydroxides: Variable temperature 35Cl NMR spectroscopy of hydrotalcite and Ca-aluminate hydrate (hydrocalumite)
Cl -intercalated hydrotalcite Ca-aluminate hydrate Variable temperature
2012/3/31
The Cl NMR spectroscopy of Cl -intercalated hydrotalcite and the Ca-aluminate hydrate, the presence of
hydrocalumite (Friedel°Os salt) demonstrates dynamical behavior of interlayer C
dynamical orde...
Is "metamictization" of zircon a phase transition?
∞metamictizatio phase transition zircon
2012/3/31
Diffuse X-ray scattering from single crystals of metamict zircon reveals residual crystallinity18
?-decay events/g). The experimental evidence does not sug-
even at high fluences (up to 7.2 ? 10
g...
"Cs-tetra-ferri-annite:" High-pressure and high-temperature behavior of a potential nuclear waste disposal phase
High pressure High temperature geometric
2012/3/30
Structuredeformationsinducedbypressureandtemperatureinsynthetic!fi!fiCs-tetra-ferr2 3 3annite!fl!fl1M[
(Fe Fe )(Si Fe Al )O (OH) ],spacegroup C2/m, werean-1.78 6.15 0.05 20 45.93 0.07 1.80
alyzedtoi...
A new pyroxene structure observed at high pressure: Single-crystal X-ray and Raman study of Pbcn-P21cn phase transition in protopyroxene
Single-crystal X-ray high pressure phase transition
2012/3/30
Thecrystalstructureof(Mg Li Sc )Si O protopyroxenehasbeenstudiedwithsin-
1.54 0.23 0.23 2 6
le-crystalX-raydiffractionatpressuresto9.98GPaandRamanspectroscopyto10.4cn
GPa.A?rst-orderdisplacivephase...
A moganite-type phase in the silica analog phosphorus oxynitride
phosphorus oxynitride silica system moganite
2012/3/30
A new polymorph of phosphorus oxynitride (PON) a silica analog has been recovered at ambient
pressure by quenching after a treatment at 850 ?C under a pressure of 2.5 GPa using cristobalite- or
quar...
In situ structure determination of the high-pressure phase of Fe3O4
high-pressure Fe3O4 GPa
2012/3/30
The crystal structure of a high-pressure Fe O phase was determined by in situ X-ray diffraction3 4
measurements at high pressure and temperature, using an imaging plate detector and monochromatic
s...
Iron sulfides from magnetotactic bacteria: Structure, composition, and phase transitions
Iron sulfides magnetotactic bacteria Structure composition phase transitions
2012/4/1
The top 20 cm of sediments at active cold seeps in Monterey Bay, coastal California,contain framboidal pyrite that occurs as infillings and pseudomorphs of the chambers of the tests of foraminifera an...
Bacterial reduction of crystalline Fe3+ oxides in single phase suspensions and subsurface materials
Bacterial reduction crystalline Fe3+ oxides single phase suspensions subsurface materials
2012/4/1
Microbiologic reduction of synthetic and geologic Fe31 oxides associated with four Pleis-tocene-age, Atlantic coastal plain sediments was investigated using a dissimilatory Fe reducing bacterium ( She...