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    • Age and duration of the Deccan Traps, India: A review of radiometric and paleomagnetic constraints

      Kanchan Pande

      Volume 111 Issue 2 June 2002 pp 115-123

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      https://www.ias.ac.in/article/fulltext/jess/111/02/0115-0123

    • Keywords

       

      Deccan Volcanism; Cretaceous-Tertiary Boundary; geochronology; magneto-stratigraphy.

    • Abstract

       

      A review of the available radiometric and paleomagnetic data from the Deccan Flood Basalt Province (DFBP) suggests that the volcanism was episodic in nature and probably continued over an extended duration from 69Ma to 63Ma between 31R and 28N. It is likely that the most intense pulse of volcanism at 66.9 ± 0.2Ma preceded the Cretaceous Tertiary Boundary (KTB, 65.2 ± 0.2Ma) events by ∼1.7Ma. The magnetostratigraphic record in the Deccan lava pile is incomplete and it is therefore possible that the lava ows constituting the reverse polarity sequence were erupted in more than one reversed magnetic chron.

    • Author Affiliations

       

      Kanchan Pande1

      1. Earth Sciences and Solar System Division, Physical Research Laboratory, Navrangpura, Ahmedabad 380 009, India.

    • Dates

       
      Published
      June 2002
      Manuscript received
      23 January 2002
      Manuscript revised
      28 February 2002

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