搜索结果: 1-15 共查到“凹凸棒石 garnet”相关记录17条 . 查询时间(0.062 秒)
Comparison of conventional and garnet-aluminosilicate-quartz O isotope thermometry: Insights for mineral equilibration in metamorphic rocks
Comparison of conventional garnet-aluminosilicate-quartz O mineral equilibration metamorphic rocks
2012/4/1
Oxygen isotope thermometry based on fractionations among quartz, garnet, kyanite, silliman-
ite, and potassium feldspar in amphibolite to granulite facies schists and gneisses was compared to
thermo...
Elastic wave velocities of Mg3Al2Si3O12-pyrope garnet to 10 Gpa
Mg3Al2Si3O12 10 Gpa Elastic waveve locities
2012/3/30
ElasticwavevelocitiesofMg Al Si O pyropegarnetweremeasuredto10GPaat
3 2 3 12
ambienttemperature,usingultrasonicinterferometryina1000tonsplit-cylinder,multi-
anvilapparatus(USCA-1000).Thesampleusedi...
Computer simulation of the infrared and Raman activity of pyrope garnet, and assignment of calculated modes to specific atomic motions
Computer simulation Raman activity of pyrope garnet specific atomic motions
2012/4/1
The lattice dynamics computer code PARAPOCS was successfully used to calculate the 240 vibrational frequencies of pyrope garnet, Mg3Al2Si3O12, at ambient conditions. The atomic displacement vectors (e...
Twenty-two andradite samples from a variety of geological environments and two syn-thetic hydroandradite samples were studied by Fourier transform IR spectroscopy. Their spectra show that H enters and...
Mineralogy of the Louvres Merovingian garnet cloisonn?jewelry: Origins of the gems of the first kings of France
Mineralogy Louvres Merovingian garnet cloisonn Origins
2012/3/31
Proton-particle induced X-ray emission (p-PIXE) analyses have been performed on cloisonne ?jewelry from a necropolis excavated in 1987 at Louvres (North Paris) that dates from the Early Middle Ages (f...
Experimental study of the Fe-Mg exchange between garnet and biotite: Constraints on the mixing behavior and analysis of the cation-exchange mechanisms
Experimental study Fe-Mg exchange garnet biotite: Constraints mixing behavior cation-exchange mechanisms
2012/4/6
NewexperimentaldataarepresentedfortheFe-Mgexchangebetweengarnetandbiotiteinthetemperaturerange600¤C80Cat0.2GPa.TheFe-Mg-Almixingpropertiesof
biotitewereevaluatedandthegarnet-biotitegeothermometerwasr...
Mn3Al2Si3O12 spessartine and Ca3Al2Si3O12 grossular garnet: Structural dynamic and thermodynamic properties
Mn3Al2Si3O12 spessartine Ca3Al2Si3O12 garnet Structural dynamic thermodynamic properties
2012/4/5
ThestructuresofsyntheticMn Al Si O spessartineandCa Al Si O grossulargarnethavebeenre?nedusingsingle-crystalX-raydiffractionmethodsat100K,293K,and
500-550K.ThedivalentX-sitecations,locatedinlargedode...
Garnet-biotite geothermometry revised: New Margules parameters and a natural specimen data set from Maine
Garnet-biotite geothermometry revised New Margules parameters natural specimen data Maine
2012/4/5
Thisgeothermometerwastestedontwodatasets.The?rstconsistedof98specimens
containinggarnetandbiotitefromwest-centralMaine,whichformedunderreducing f
withgraphite,alimitedrangeof P (3to4.5kbar),andamode...
A new garnet-orthopyroxene thermometer based on reversed Al2O3 solubility in FeO-Al2O3-SiO2 orthopyroxene
garnet-orthopyroxene thermometer reversed Al2O3 solubility FeO-Al2O3-SiO2 orthopyroxene
2012/4/5
Reversedphase-equilibriumdata,collectedoverthe P-T range12¤C20kbarat850¤C11C,de?nethesolubilityofAl O inferrosilite(Fs)inequilibriumwithalmandinegarnet
(Alm).Thenewdataindicatesigni?cantlylowerAlO so...
Pressure-temperature-reaction history of metapelitic rocks from the Maryland Piedmont on the basis of correlated garnet zoning and plagioclase-inclusion composition
Pressure-temperature-reaction history metapelitic rocks Maryland Piedmont garnet zoning plagioclase-inclusion composition
2012/4/9
Regional structural interpretation, thermobarometry, and Gibbs-method calculations werecombined to determine an approximate P-Tpath for kyanite-grade metapelitic rocks ofthe Baltimore Gneiss terrane. ...
Constraint on the time scale of biotite-grade metamorphism during Acadian orogeny from a natural garnet-garnet diffusion couple
Constraint biotite-grade metamorphism Acadian orogeny garnet-garnet diffusion couple
2012/4/6
Wehavedetermined the concentration profilesacross the interface ofanatural garnet-garnet couple in a biotite-grade rock from eastern Vermont.Thecouple consists ofa grossular-spessartine garnet that ha...
Trace element zoning in pelitic garnet of the Black Hills, South Dakota
Trace element zoning pelitic garnet Black Hills South Dakota
2012/4/6
Traceelement (REE, Cr,Ti,Y,Y,andZr)analysisofgarnetfrom the garnet,staurolite,and lower sillimanite zones ofan aluminous schist ofthe BlackHills,South Dakota,
indicates that REEzoning varies as a fun...
A pressure-induced phase transition in MgSiO3-rich garnet revealed by Raman spectroscopy
pressure-induced phase transition MgSiO3-rich garnet Raman spectroscopy
2012/4/6
Raman spectra oftwo synthetic, noncubic garnet samples rich in MgSi03component weremeasuredin adiamond-anvil cellto 200kbar atroom temperature. Sample1was pure MgSi03majorite;sample 2wasa solid soluti...
Modification of garnet by fluid infiltration during regional metamorphism in garnet through sillimanite-zone rocks, Dutchess County, New York
Modification garnet fluid infiltration metamorphism sillimanite-zone rocks
2012/4/6
Metapelitic rocks from a progressive metamorphic sequence in Dutchess County, New York,record evidence for reaction between garnet and fluids associated withquartz (::!:pla-gioclase) veins and for net...
Useofa thin-film technique and an ion microprobe makeit possible to conduct cation self-diffusion experiments of44Ca in near end-member grossular garnet at temperatures of 800-1O?0 0c. The.e~periments...