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Lithostratigraphic correlations in the western Himalaya—An isotopic approach

1999; Geological Society of America; Volume: 27; Issue: 7 Linguagem: Inglês

10.1130/0091-7613(1999)027 2.3.co;2

1943-2682

Alan Whittington, Gavin L. Foster, Nigel Harris, Derek Vance, Michael Ayres,

earthquake and tectonic studies

Research Article| July 01, 1999 Lithostratigraphic correlations in the western Himalaya—An isotopic approach Alan Whittington; Alan Whittington 1Laboratoire de Physique des Géomatériaux, Institut de Physique du Globe, 4 place Jussieu, 75252 Paris Cedex 05, France Search for other works by this author on: GSW Google Scholar Gavin Foster; Gavin Foster 2Department of Earth Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA, UK Search for other works by this author on: GSW Google Scholar Nigel Harris; Nigel Harris 2Department of Earth Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA, UK Search for other works by this author on: GSW Google Scholar Derek Vance; Derek Vance 2Department of Earth Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA, UK Search for other works by this author on: GSW Google Scholar Michael Ayres Michael Ayres 2Department of Earth Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA, UK Search for other works by this author on: GSW Google Scholar Author and Article Information Alan Whittington 1Laboratoire de Physique des Géomatériaux, Institut de Physique du Globe, 4 place Jussieu, 75252 Paris Cedex 05, France Gavin Foster 2Department of Earth Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA, UK Nigel Harris 2Department of Earth Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA, UK Derek Vance 2Department of Earth Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA, UK Michael Ayres 2Department of Earth Sciences, Open University, Walton Hall, Milton Keynes MK7 6AA, UK Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1999) 27 (7): 585–588. https://doi.org/10.1130/0091-7613(1999)027 2.3.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Alan Whittington, Gavin Foster, Nigel Harris, Derek Vance, Michael Ayres; Lithostratigraphic correlations in the western Himalaya—An isotopic approach. Geology 1999;; 27 (7): 585–588. doi: https://doi.org/10.1130/0091-7613(1999)027 2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract We present the results of a whole-rock Nd isotopic study of two contrasting regions of the western Himalaya, using the neodymium model age approach on the scale of a single orogen. High-grade metasedimentary rocks from Zanskar yield model ages (TDM) that are similar to those of the High Himalayan Crystalline Series (TDM = 1.2–2.0 Ga; ϵ Nd = −6 to −16) and distinct from values from the Lesser Himalaya (TDM = 2.3–3.4 Ga; ϵ Nd = −18 to −27). Hence these two lithological sequences can be recognized for 2000 km along the strike of the orogen. Data for the basement of the Nanga Parbat massif at the western extremity of the Himalaya (TDM = 2.3–2.8 Ga; ϵ Nd = −18 to −30) suggest that these rocks are not equivalent to the High Himalaya, as previously supposed, but have affinities with the Lesser Himalaya. A thin metasedimentary cover sequence on the margins of the Nanga Parbat massif is isotopically indistinguishable from the High Himalaya (TDM = 1.6–1.8 Ga; ϵ Nd = −10 to −14). The prior misidentification of the provenance of the massif stems from its high metamorphic grade, characteristic of the High Himalaya, but in this case related to the unique Neogene history of the Nanga Parbat massif, which has exhumed a higher-grade equivalent of the Lesser Himalaya that is not seen elsewhere. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.