Cross-Calibration of an α-Source Used for Luminescence Dating by Applying Different Samples and Procedures

Figures & Tables

Sample	Procedure	Calculation	Dose rate (Gy/s)
Quartz (OSZ 1107)	MAR OSL	OSL_BAY → D_αSZE(s)	0.071 ± 0.002
Polymineral (OSZ 1614)	MAR IR₅₀	DαSZE(s)=OSLBAY−bm {\rm{D}}_{\alpha {\rm{SZE}}{\left( s \right)}} = {{{\rm{OS}}{{\rm{L}}_{{\rm{BAY}}}} - b} \over {\rm{m}}}	0.109 ± 0.012
Polymineral (OSZ 1614)	MAR pIRIR₂₉₀	DαSZE=DαBAY(s)DαSZE(s)DαBAY {\rm{D}}_{\alpha {\rm{SZE}}}^* = {{{{\rm{D}}_{\alpha {\rm{BAY}}\left( {\rm{s}} \right)}}} \over {{{\rm{D}}_{\alpha {\rm{SZE}}\left( {\rm{s}} \right)}}}}{\rm{D}}_{\alpha {\rm{BAY}}}^*	0.085 ± 0.010
Quartz (OSZ 1107)	α-SAR OSL	DαSZE=m {\rm{D}}_{\alpha {\rm{SZE}}}^ = {\rm{m}}	0.076 ± 0.004
Quartz (OSZ 1107)	α-dose recovery	DαSZE=m {\rm{D}}_{\alpha {\rm{SZE}}}^ = {\rm{m}}	0.076 ± 0.004
RISØ quartz (Batch 108)	α-SAR OSL	DαSZE=DαBAY(s)DαSZE(s)DαBAY {\rm{D}}_{\alpha {\rm{SZE}}}^* = {{{{\rm{D}}_{\alpha {\rm{BAY}}\left( {\rm{s}} \right)}}} \over {{{\rm{D}}_{\alpha {\rm{SZE}}\left( {\rm{s}} \right)}}}}{\rm{D}}_{\alpha {\rm{BAY}}}^*	0.086 ± 0.005
RISØ quartz (Batch 108)	γ-dose recovery		0.086 ± 0.005

²²⁶Ra (Bq/kg)	²³²Th (Bq/kg)	⁴⁰K (Bq/kg)	w (%)	Depth (m)	Mineral	*D^_α-source (Gy/s)**	a-value	*D^_α (Gy/ka)**	*D^_tot (Gy/ka)**
34.7 ± 0.4	34.2 ± 0.6	390.9 ± 15.1	10 ± 2	0.9	Q	0.071 ± 0.002	0.041 ± 0.003	0.35 ± 0.04	2.89 ± 0.07
					Q	0.086 ± 0.005	0.034 ± 0.003	0.29 ± 0.03	2.83 ± 0.07
					PM	0.071 ± 0.002	0.077 ± 0.003	0.65 ± 0.06	3.27 ± 0.09
					PM	0.086 ± 0.005	0.063 ± 0.004	0.54 ± 0.06	3.15 ± 0.08