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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...
ElasticwavevelocitiesofMg Al Si O pyropegarnetweremeasuredto10GPaat 3 2 3 12 ambienttemperature,usingultrasonicinterferometryina1000tonsplit-cylinder,multi- anvilapparatus(USCA-1000).Thesampleusedi...
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...
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...
NewexperimentaldataarepresentedfortheFe-Mgexchangebetweengarnetandbiotiteinthetemperaturerange600¤C80Cat0.2GPa.TheFe-Mg-Almixingpropertiesof biotitewereevaluatedandthegarnet-biotitegeothermometerwasr...
ThestructuresofsyntheticMn Al Si O spessartineandCa Al Si O grossulargarnethavebeenre?nedusingsingle-crystalX-raydiffractionmethodsat100K,293K,and 500-550K.ThedivalentX-sitecations,locatedinlargedode...
Thisgeothermometerwastestedontwodatasets.The?rstconsistedof98specimens containinggarnetandbiotitefromwest-centralMaine,whichformedunderreducing f withgraphite,alimitedrangeof P (3to4.5kbar),andamode...
Reversedphase-equilibriumdata,collectedoverthe P-T range12¤C20kbarat850¤C11C,de?nethesolubilityofAl O inferrosilite(Fs)inequilibriumwithalmandinegarnet (Alm).Thenewdataindicatesigni?cantlylowerAlO so...
Regional structural interpretation, thermobarometry, and Gibbs-method calculations werecombined to determine an approximate P-Tpath for kyanite-grade metapelitic rocks ofthe Baltimore Gneiss terrane. ...
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...
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...
Raman spectra oftwo synthetic, noncubic garnet samples rich in MgSi03component weremeasuredin adiamond-anvil cellto 200kbar atroom temperature. Sample1was pure MgSi03majorite;sample 2wasa solid soluti...
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...

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