Over het archief
Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.
Basisinformatie over ‘Open Access to scholarly information'.
| one publication added to basket [366744] |
High-elevation Tibetan Plateau before India–Eurasia collision recorded by triple oxygen isotopes
Ibarra, D.E.; Dai, J.; Gao, Y.; Lang, X.; Duan, P.; Gao, Z.; Chen, J.; Methner, K.; Sha, L.; Tong, H.; Han, X.; Zhu, D.; Li, Y.; Tang, J.; Cheng, H.; Chamberlain, C.P.; Wang, C. (2023). High-elevation Tibetan Plateau before India–Eurasia collision recorded by triple oxygen isotopes. Nature Geoscience 16(9): 810-815. https://dx.doi.org/10.1038/s41561-023-01243-x
In: Nature Geoscience. Nature Publishing Group: London. ISSN 1752-0894; e-ISSN 1752-0908, meer
|  |
| Auteurs | | Top |
- Ibarra, D.E.
- Dai, J.
- Gao, Y., meer
- Lang, X.
- Duan, P.
- Gao, Z.
|
- Chen, J.
- Methner, K.
- Sha, L.
- Tong, H.
- Han, X.
- Zhu, D.
|
- Li, Y.
- Tang, J.
- Cheng, H.
- Chamberlain, C.P.
- Wang, C.
|
| Abstract |
The timing and magnitude of the early Cenozoic surface uplift of the Tibetan Plateau is controversial due to a scarcity of unaltered terrestrial sediments required for palaeoaltimetry techniques. Such information is critical, however, for constraining the geodynamic and palaeoclimatic evolution of the Indian and Eurasian continents and for interpreting global climate, biodiversity and biogeochemical cycles since the Cenozoic. We find that substantial uplift occurred by 63 to 61 million years ago, before the collision of the Indian and Eurasian continental plates, based on comparison of triple oxygen isotopes of modern meteoric waters with epithermal Ag–Pb–Zn deposit quartz veins from the Palaeocene Gangdese Arc in southern Lhasa. Low δ18O and δ17O quartz values are consistent with precipitation from meteoric waters influenced by a large degree of topographic rainout. We show that by 63 to 61 Ma, the Gangdese Arc reached an elevation of ~3.5 km, suggesting that the Gangdese Arc achieved >60% of its current elevation before continent–continent collision. This uplift was probably caused by crustal shortening in response to low-angle subduction of Neo-Tethyan oceanic lithosphere. This early high palaeoelevation estimate for the Himalaya–Tibetan system challenges previous assumptions that southern Tibet uplift required continent–continent collision to achieve substantial topography. |
IMIS is ontwikkeld en wordt gehost door het VLIZ.
