dc.contributor.author | Roberts, David | |
dc.contributor.author | Wolff, Fredrik Chr. | |
dc.contributor.author | Wilson, M. R. | |
dc.coverage.spatial | 17213 Tydal | |
dc.coverage.spatial | 16211 Stjørdal | |
dc.coverage.spatial | VERDAL | |
dc.coverage.spatial | MERÅKER | |
dc.coverage.spatial | STJØRDAL | |
dc.coverage.spatial | 16213 Støren | |
dc.coverage.spatial | 17214 Flornes | |
dc.date.accessioned | 2020-08-26T13:10:26Z | |
dc.date.available | 2020-08-26T13:10:26Z | |
dc.date.issued | 1973 | |
dc.identifier.uri | https://hdl.handle.net/11250/2674955 | |
dc.description.abstract | Twenty-four potassium-argon age determinations have been made on metamorphic minerals and whole-rocks (phyllites) from the Caledonides of the Trondheim region, Norway. Nineteen of the apparent ages fall between 438 and 402 m.y., while 5 (4 hornblendes and 1 phyllite) range up to 570 m.y. Date greater than 438 m.y. are provisionally considered anomalous, and 438 +- 12 m.y. is tentatively suggested as a minimum age for the last metamorphic phase in this region. | |
dc.language.iso | eng | |
dc.relation.ispartofseries | NGU (288) | |
dc.rights | Navngivelse 4.0 Internasjonal | |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/deed.no | |
dc.subject | PALEOZOIKUM | |
dc.subject | KALEDONSKE FJELLKJEDE | |
dc.subject | GEOKRONOLOGI | |
dc.subject | OMDANNING | |
dc.title | Age determination from the Trondheim Region Caledonides, Norway: a preliminary report. | |
dc.type | Journal article | |
dc.description.localcode | 35261 | |
dc.source.pagenumber | 53-63 | |