The Pre-Permian Residual Gravity Field For The Dutch Onshore And Adjacent Offshore.

J.B. Dirkzwager, R.A. Stephenson, O.V. Legostaeva

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    The current paper presents the results of a 3D analysis of the contribution of successive sedimentary layers within the Netherlands basin to the total observed gravity anomaly field. A 3D gravity back-stripping technique is used to highlight anomalous features in the crust and upper mantle beneath the Permian and younger sedimentary succession. A residual gravity anomaly map, derived by subtracting the gravity effect of the sedimentary succession from the observed gravity anomaly field, reveals a distinctive continuous positive gravity anomaly trending NW-SE across the Netherlands that increases in amplitude towards the north-northwest, concordant with increasing sediment thickness. One profile crossing the main residual anomaly has been quantitatively modelled using a 2D inverse modelling program, the residual anomaly can be explained as the result of sources beneath the post-Carboniferous sedimentary succession, either in the crust or at the crust-mantle boundary. © 2000 Elsevier Science B.V.
    Original languageEnglish
    Pages (from-to)66-88
    JournalGlobal and Planetary Change
    Volume27
    DOIs
    Publication statusPublished - 2000

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