Fission track studies on hornblende, biotite and phlogopite from Sweden
Fission track studies and K-Ar dating on three silicate minerals from Sweden have given the following results: Fission track age K—Ar age RM 07249 hornblende, Malmberget, Fragment 1 1255 m.y. 1875 m.y. » 2 450 » RM 620569 biotite, Ingelsbo Fragment 1 305 » 975 » » 2 520 » » 3 355 » » 4 410 » RM 6404...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Geological Society of Finland
1972-06-01
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Series: | Bulletin of the Geological Society of Finland |
Online Access: | http://www.geologinenseura.fi/bulletin/Volume44/sgs_bt_044_1_pages_035_046.pdf |