کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9527130 | 1636975 | 2005 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Flexural and gravity modelling of the Mérida Andes and Barinas-Apure Basin, Western Venezuela
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موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
فرآیندهای سطح زمین
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Flexural and gravity modelling of the Mérida Andes and Barinas-Apure Basin, Western Venezuela Flexural and gravity modelling of the Mérida Andes and Barinas-Apure Basin, Western Venezuela](/preview/png/9527130.png)
چکیده انگلیسی
In addition, gravity modelling was used to understand deep crustal features that could not be predicted by flexural theory. Consequently, the best-fit flexural model is used to build a gravity model across the Mérida Andes and the Barinas-Apure Basin preserving the best-controlled structural features from the flexural modelling (e.g. basin wavelength and depth) and slightly changing the main bodies density values and deep crustal structures. The final gravity model is intended to be representative of the major features affecting the gravity field in the study area. The predicted morphology in the lower crustal level of the final gravity model favours the hypothesis of a present delamination or megathrust of the Maracaibo crust over the South American Shield. This process would use the Conrad discontinuity as a main detachment surface within an incipient NW dipping continental subduction.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tectonophysics - Volume 405, Issues 1â4, 15 August 2005, Pages 155-167
Journal: Tectonophysics - Volume 405, Issues 1â4, 15 August 2005, Pages 155-167
نویسندگان
Luis ChacÃn, MarÃa I. Jácome, Carlos Izarra,