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SM ISO690:2012 SANDU, Ilie, LA MURA, Cristina, TELESCA, Luciano, ALCAZ, Vasile, ŢURCAN, Daniela. The geophysical structure model for Republic of Moldova territory: the center part, Leova-Chisinau geologic profile. In: Buletinul Institutului de Geologie şi Seismologie al AŞM, 2014, nr. 2, pp. 29-35. ISSN 1857-0046. |
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Buletinul Institutului de Geologie şi Seismologie al AŞM | |
Numărul 2 / 2014 / ISSN 1857-0046 | |
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CZU: 550.34.01 | |
Pag. 29-35 | |
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Analysis of geological and geophysical data in the center of Republic of Moldova territory, along the Leova and Chisinau cities geologic profile, allows to develop new geophysical model, which reflects the local soil conditions by reference parameters: density, velocity of seismic wave and quality factor. The geological reference levels setting are based on 50 boreholes, with 200-2500m depth, in which the Cenozoic, Maesozoic, Paleozoic, and sedimentary formations of Precambrian as Proterozoic and Archeozoic were identified. The Precambrian (Proterozoic and Archean) sedimentary layers forms the crystalline foundation of the Moldovian Platform. The Cenozoic and Paleozoic formation thickness tends to increase on West direction, whereas Proterozoic and Mesozoic horizonts keeps a constant level of sendimentation along the profile.Based on the level of laying for crystalline foundation of the platform, this new geophysical model of the investigated area can be connected with regional models for a subsequent application in the study of seismic hazard in Republic of Moldova territory. |
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The geological reference levels setting are based on 50 boreholes, with 200-2500m depth, in which the Cenozoic, Maesozoic, Paleozoic, and sedimentary formations of Precambrian as Proterozoic and Archeozoic were identified. The Precambrian (Proterozoic and Archean) sedimentary layers forms the crystalline foundation of the Moldovian Platform. The Cenozoic and Paleozoic formation thickness tends to increase on West direction, whereas Proterozoic and Mesozoic horizonts keeps a constant level of sendimentation along the profile.Based on the level of laying for crystalline foundation of the platform, this new geophysical model of the investigated area can be connected with regional models for a subsequent application in the study of seismic hazard in Republic of Moldova territory.</description> <description xml:lang='ro' descriptionType='Abstract'>Analiza informaţiei geologice şi geofizice din centrul Republicii Moldova, după profilul oraşelor Leova şi Chisinau, a permis elaborarea modelului geofizic nou ce reflectă condiţiile locale prin parametrii: densitate, viteză de propagare a undelor elastice şi factor de calitate. Stabilirea nivelelor geologice de referinţă sunt în baza a 50 foraje cu adîncimi 200-2500m, unde sunt evidenţiate formaţiunile Cenozoicului, Mezozoicului, Paleozoicului, impreună cu formaţiuni sedimentare ale Precambrianului, ai Proterozoicului şi Arheozoicului, care formează fundamentul cristalin al platformei Moldoveneşti. Grosimea formaţiunii Cenozoice şi Paleozoice are tendinţă de sporire a grosimii spre Vest, pe cînd Mesozoicul şi Proterozoicul păstrează un nivel al sedimentării constant în cadrul profilului. În baza nivelului de aşezare al fundamentului cristalin, acest model geofizic poate fi conectat cu structurile model ale regiunii pentru o aplicare ulterioară în studiul hazardului seismic pe teritoriul RM.</description> <description xml:lang='ru' descriptionType='Abstract'>Анализ геологических и геофизических данных в центре территории Республики Молдова, вдоль геологического профиля соединяющего города Леова и Кишинев, позволяет развить новую геофизическую модель, которая отражает местные грунтовые условия через параметры: плотности, скорости и коэффициента затухания сейсмической волны.Отображены основные геологические горизонты на основе данных 50 скважин с глубинами 200-2500м, где выделены образования Кайнозоя, Мезозоя, Палеозоя, вместе с Докембрийскими осадочными породами Протерозоя и Архея, последние и образуют кристаллический фундамент Молдавской плиты. Мощность геологических образований Кайнозоя и Палеозоя имеет тенденцию к увеличению на Запад, тогда как образования Мезозоя и Протерозоя имеют постоянный характер седиментации по всему профилю.Исходя из уровня оседания кристаллического фундамента, эту геофизическую модель можно соединить с региональными моделями структуры для дальнейшего применения в исследованиях сейсмической опасности на территории Республики Молдова.</description> </descriptions> <formats> <format>application/pdf</format> </formats> </resource>