Kursun ja Sallan kartta-alueiden kalliopera - arkisto.gsf.fi ...
Kursun ja Sallan kartta-alueiden kalliopera - arkisto.gsf.fi ...
Kursun ja Sallan kartta-alueiden kalliopera - arkisto.gsf.fi ...
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32<br />
Sample Fraction Concentration 206 Pb Isotopic composition Atomic ratios and<br />
µg/g 20° Pb of lead, 206 Pb=100 radiometric ages, Ma<br />
No . d=density,g/cm' "Pb 207Pb 207 Pb<br />
i =grain 78 U<br />
206Pb measured<br />
238U 235U 206Pb size, µm<br />
radiog<br />
204 207 208<br />
F d > 4 .6 ;abr 455 .8 73 .48 18486 .03541 8 .388 22 .470 .1863 2 .026 .07885<br />
± 12 ± 23 ± 52<br />
1101 1124 1168<br />
A828G d>4 .6 470 .1 75 .38 3035 .02357 8 .075 21 .717 .1853 1 .978 .07740<br />
± 11 ± 15 ± 26<br />
1096 1107 1131<br />
H d>4 .2 640 .3 101 .29 2597 .03580 8 .349 26 .196 .1828 1 .976 .07841<br />
0 >70 ;abr 5h ± 10 ± 12 + 14<br />
1082 1107 1157<br />
I d>4 .2 585 .1 89 .82 1098 .08840 8 .991 22 .854 .1774 1 .892 .07734<br />
70>0>50 + 10 + 12 + 24<br />
abr 5 h 1052 1078 1130<br />
A829-Jokinena, Salla . Diabaasiiuoni - Diabase dyke<br />
A829A T 819 .3 131 .53 4272 .01805<br />
abr = pintapuhdistus abraasiossa - grains abraded .<br />
8 .124 39 .294 .1856 2 .013 .07868<br />
+ 10 + 12 + 16<br />
1097 1119 1164
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