Zwanzig, Herman V (1999) Structure and stratigraphy of the south flank of the Kisseynew Domain in the Trans-Hudson Orogen, Manitoba: implications for 1.845-1.77 Ga collision tectonics. Canadian Journal of Earth Sciences, 36 (11) 1859-1880 doi:10.1139/e99-042
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Structure and stratigraphy of the south flank of the Kisseynew Domain in the Trans-Hudson Orogen, Manitoba: implications for 1.845-1.77 Ga collision tectonics | ||
| Journal | Canadian Journal of Earth Sciences | ||
| Authors | Zwanzig, Herman V | Author | |
| Year | 1999 (November 10) | Volume | 36 |
| Issue | 11 | ||
| Publisher | Canadian Science Publishing | ||
| DOI | doi:10.1139/e99-042Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 483178 | Long-form Identifier | mindat:1:5:483178:9 |
| GUID | 0 | ||
| Full Reference | Zwanzig, Herman V (1999) Structure and stratigraphy of the south flank of the Kisseynew Domain in the Trans-Hudson Orogen, Manitoba: implications for 1.845-1.77 Ga collision tectonics. Canadian Journal of Earth Sciences, 36 (11) 1859-1880 doi:10.1139/e99-042 | ||
| Plain Text | Zwanzig, Herman V (1999) Structure and stratigraphy of the south flank of the Kisseynew Domain in the Trans-Hudson Orogen, Manitoba: implications for 1.845-1.77 Ga collision tectonics. Canadian Journal of Earth Sciences, 36 (11) 1859-1880 doi:10.1139/e99-042 | ||
| In | (1999, November) Canadian Journal of Earth Sciences Vol. 36 (11) Canadian Science Publishing | ||
| Abstract/Notes | On the south flank of the Kisseynew Domain, orthogneisses derived from 1.92-1.85 Ga volcano-plutonic rocks are overlain by paragneisses (Burntwood and Missi groups) derived from 1.855-1.84 Ga marine turbidite and 1.845-1.83 Ga terrestrial clastic and volcanic rocks. The sediments in these groups are interpreted as having been shed into the Kisseynew paleobasin from an active margin bordering the Flin Flon Belt. The sedimentation apparently followed early microcontinental collision and accompanied the last arc magmatism in the Trans-Hudson Orogen. The sedimentary rocks and their basement were deformed into a complexly refolded stack of large recumbent folds. Premetamorphic F1 structures represent a fold and thrust system initiated during the sedimentation. These structures are interpreted as transported toward the Kisseynew Domain in the northeast and the hinterland in the southwest. F2 structures (~1.82 Ga) comprise westerly transported nappes. During 1.82-1.80 Ga high-grade metamorphism, the early structures were overturned, amplified, and refolded. Basement-cored culminations and sheet-like synforms of paragneiss were horizontally attenuated and transported south and southwest. North- and northeast-trending F4 folds and F5 faults formed after 1.79 Ga. The whole cycle of deformation is related to stages of continental collision between the internal (juvenile) zone of the Trans-Hudson Orogen and the three surrounding Archean cratons (Sask, Superior, and Hearne). The F4 upright folds and steep F5 faults are interpreted as the record of intracontinental transpression, strongly controlled by the Superior Craton boundary. | ||
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