Luminescence Characteristics of Terrestrial Jarosite from Kachchh, India: A Martian Analogue
https://doi.org/10.31223/X51H8X #LifeSciences #PhysicalSciencesAndMathematics #LuminescenceDating #OpticallyStimulatedLuminescence #Opti #Thermoluminescence #DoseResponse #LuminescenceDating #Mars #Jarosite #OpticallyStimulatedLuminescence #Thermoluminescence #DoseResponse #InThisStudy #Jarositemars #WhichSuggestADatingRangeOf25KaUsingAReportedMartianTotalDoseRateOf65Gy/kaPrimarilyDueToCosmicRays.MultipleTlPeaksAndTheirWidelyDifferingStabilityAlsoOfferPromiseToD #ButPirirSignalAt225°cShowedANearZeroFading.TheSaturationDosesRangedFrom700GyTo2600GyForDifferentSignals #ReproducibleUnderMultipleReadoutCycles.TheLeastBleachablePeakAt350°cReducedTo(1/e)thOfItsPeakIntensity(i.e.36%)With~100MinutesOfExposureUnderASunLamp.BslAndIrslOptical #300And350°c #150 #BslAndIrslSignalsWithVariedSensitivities.TheTlGlowCurveOfJarositeComprisesPeaksAt100 #BlueAndInfraredStimulatedLuminescence(bslAndIrsl)Methods.FtirAndCl-edxsStudiesSuggestedThatJarositePreservesItsLuminescenceCharacteristicsEvenAfterAnnealingTheSamplesTo450°c #Cathodoluminescence-EnergyDispersiveX-raySpectroscopy(cl-edxs)AndLuminescence(thermoluminescence(tl) #NaturallyOccurringJarositeSamplesFromKachchhIndia(consideredToBeMartianAnalogue)WereCharacterizedUsingFourierTransformInfraredSpectroscopy(ftir)
