【摘要】 以红外光为激发光源 ,测得 5种长石标本 :拉长石、歪长石、叶钠长石、钠长石和微斜长石的α饱和剂量分别为 4 5、1 4、6 8、2 4和 3 0kGy ,β饱和剂量分别为 2 3 0、40 0、1 0 0、40和 2 2 0Gy。如果用这些矿物做红外光释光测年 ,其测年上限分别约为 1 6、2 9、7、3和 1 6万年。更多还原

【Abstract】 The optical stimulated luminescence of mineral is its optical character. The intensity of the luminescence is related to the frequency and intensity of stimulating source. Saturation doses of 5 kinds of feldspar, labradorite, anorthoclase, cleavelandite, albite and microcline, are determined with infrared stimulated luminescence(IRSL). There are 4.5,14, 6.8 , 24 and 30 kGy correspondingly for α dose and 230,400,100,40 and 220 Gy separately for β dose. The maximum available ages are 1.6×10 5, 2.9×10 5,0.7×10 5,0.3×10 5 and 1.6×10 5 a for dating with these minerals by IRSL.更多还原