کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4680902 | 1634948 | 2006 | 16 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Methodology of Curie discontinuity map development for regions with low thermal characteristics: An example from Israel
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
علوم زمین و سیاره ای (عمومی)
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چکیده انگلیسی
Analysis of available data indicates that different values of the Curie temperature for magnetite and titanomagnetites along with transition between ferric (Fe III) and ferrous (Fe II) iron could lead to significant errors in the Curie point depth determination using magnetic data. Based on analysis of geothermal and magnetic methods used for the Curie point depth determination in different regions it is shown that for conditions in the Eastern Mediterranean examination of the magnetic field should be used for determination of the bottom edges of magnetized bodies/layers only. The authors demonstrated that the depth of the bottom edges of magnetized bodies couldn't be greater than the depth of the Curie point for magnetite. On example of Israel and adjoining regions of the Eastern Mediterranean it is shown that in regions with a low heat flow and low vertical geothermal gradient, the depth of the Curie point is usually greater than that of the Moho discontinuity. An improved geothermal method of temperature calculation and other geothermal parameters analysis was used to determine the Curie point depth in the regions of the Eastern Mediterranean and adjoining areas. A new map of the Moho discontinuity for the region covering Israel, Jordan, Palestinian autonomy, Syria, Lebanon, and the eastern part of the Mediterranean Sea was composed. The Moho discontinuity map was utilized for the development of a first map of the Curie point depth for Israel.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Earth and Planetary Science Letters - Volume 243, Issues 3â4, 30 March 2006, Pages 536-551
Journal: Earth and Planetary Science Letters - Volume 243, Issues 3â4, 30 March 2006, Pages 536-551
نویسندگان
Lev V. Eppelbaum, Arkady N. Pilchin,