@article{662c09e8f2074f8881f000df6d65feb9,
title = "Detrital zircon U-Pb-Hf isotope signatures of Old Red Sandstone strata constrain the Silurian to Devonian paleogeography, tectonics, and crustal evolution of the Svalbard Caledonides",
abstract = "Detrital zircon provenance studies of Mesoproterozoic basement and overlying Old Red Sandstone strata in northwestern Svalbard, Arctic Norway, were conducted to test competing models for Caledonian paleogeography and tectonics and constrain the magnitude of orogen-parallel, Silurian to Devonian strike-slip faulting following the Laurentia-Baltica collision. Mesoproterozoic basement strata, cut by earliest Tonian orthogneiss units, mostly yielded 1640-1050 Ma detrital zircon populations that are consistent with pre-Caledonian locations near northeast Greenland. Basal Old Red Sandstone deposits that filled pull-apart basins showed basement- derived signatures but also contained 530-450 Ma and 670-570 Ma populations with slightly subchondritic (εHf[t] = -4 to -2) Hf isotope compositions. These results are consistent with late Silurian-Early Devonian proximity to the northeast Greenland Caledonides and Pearya, which indicates limited (600 m.y. crustal residence times.",
author = "Beranek, {Luke P.} and Gee, {David G.} and Fisher, {Christopher M.}",
note = "Funding Information: Luke Beranek acknowledges funding support from the National Science and Engineering Research Council of Canada (NSERC) Discovery Grant program. We are grateful to Rebecca Lam and Markus W{\"a}lle (Memorial University of Newfoundland) and Charles Knaack (Washington State University) for laser-ablation inductively coupled plasma–mass spectrometry assistance. John Hanchar and Wanda Aylward aided laboratory studies at Memorial University of Newfoundland. Mark Moody-Stuart helped with sample collection and provided feedback on the project. Three anonymous reviewers provided constructive comments that improved this manuscript. Funding Information: Luke Beranek acknowledges funding support from the National Science and Engineering Research Council of Canada (NSERC) Discovery Grant program. We are grateful to Rebecca Lam and Markus W{\"a}lle (Memorial University of Newfoundland) and Charles Knaack (Washington State University) for laser-ablation inductively coupled plasma-mass spectrometry assistance. John Hanchar and Wanda Aylward aided laboratory studies at Memorial University of Newfoundland. Mark Moody-Stuart helped with sample collection and provided feedback on the project. Three anonymous reviewers provided constructive comments that improved this manuscript. Publisher Copyright: {\textcopyright} 2019 Geological Society of America.",
year = "2020",
month = sep,
day = "1",
doi = "10.1130/B35318.1",
language = "English",
volume = "132",
pages = "1987--2003",
journal = "Bulletin of the Geological Society of America",
issn = "0016-7606",
publisher = "Geological Society of America",
number = "9-10",
}