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Possible reasons for anomalous fading in alkali feldspars used for luminescence dating of Quaternary deposits
luminescence dating IR-OSL feldspars anomalous fading ionic processes
2009/10/21
According to many publications, alkali feldspars are characterized by specific athermal (anomalous) fading of their thermoluminescence and optically-stimulated luminescence. This phenomenon is manifes...
Compressibility mechanisms of alkali feldspars: New data from reedmergnerite
New data pressue reedmergnerite
2012/3/30
Structuralandvolumecompressibilitydataforreedmergnerite,NaBSi O ,wereobtained3 8
bysingle-crystalX-raydiffractionatpressuresupto4.7GPa.Thebulkmoduluswas
determinedtobe69.8(5)GPawiththepressurederiva...
Exsolution and Al-Si disorder in alkali feldspars: Their analysis by infrared spectroscopy
Exsolution Al-Si disorder alkali feldspars analysis by infrared spectroscopy
2012/4/6
AnexperimentalmethodforthedeterminationofAb-OrexsolutionandAl-Siordering
inalkalifeldsparisdescribed.Powderinfraredspectroscopywasusedtomeasurespectra1
inthespectralrangebetween50and1500cm
usingabo...
Dislocation formation and albitization in alkali feldspars from the Shap granite
Dislocation formation albitization alkali feldspars Shap granite
2012/4/5
Orthoclase-richalkalifeldsparsintheLowerDevonianShapgranite,northwestEngland,
containtwogenerationsofalbite-richfeldspar.Thesehavepartiallyreplacedearlierexso-
lutionmicrotexturesconsistingofalbitel...
Time evolution of pericline twin domains in alkali feldspars: A computer simulation study
Time evolution pericline twin domains alkali feldspars computer simulation study
2012/4/6
Ala~ge-s~ale computer. simulation ofAl-Siordering and the corresponding development ofa twm mIcrostructure malkali feldspars is reported for the first time. In the simulation the o~der-disorder transi...
Phonon-spectroscopy on alkali-feldspars: Phase transitions and solid solutions
Phonon-spectroscopy alkali-feldspars Phase transitions solid solutions
2012/4/5
Thephonon spectra ofIR-active vibrations in alkalifeldspars havebeensystematically investigated in the spectral range 50-2000 cm-I attemperatures between20and 900K. SampleswithhighdegreesofAl-Siorderd...