نتایج جستجو برای: lineament
تعداد نتایج: 376 فیلتر نتایج به سال:
The primary objective of the current study is to produce karstification potentiality maps in northeast of Khuzestan province, Iran, using both fuzzy logic and AHP models as an additional tool in hydrogeological research. Geographic Information Systems (GIS) and Remote Sensing (RS) are used to create two maps depicting the development of the karstification, consisting of five classes, showing th...
Groundwater, being a vital resource, needs to be developed with proper understanding about its occurrence in time and space. Unscientific sand mining is a dominant environmental issue in this humid tropical river basin namely Bharathapuzha river basin geographically on central part of Kerala state, southwest part of India. The sandy layers along the river course declines its water holding capac...
The basis of this study is a new bathymetric map of the northeast Atlantic compiled from previously published maps made from conventional echosounder data, plus all Sea Beam data acquired on board the R/V JEAN CHARCOT since 1977. As most of the Sea Beam data have been obtained on the continental margin from Porcupine Seabight to the south of the Iberian Peninsula, a precise picture of the conti...
Computer-aided fault imaging and interpretation is a fundamental tool for subsurface structure characterization and modeling, and the existing methods are primarily based on seismic discontinuity analysis (e.g., coherence and semblance) that evaluates the lateral variation of waveform and/or amplitude. However, such attributes have a limited resolution on subtle faults without apparent displace...
Precious and base metal selenide minerals have been identified in gold-bearing carbonate veins cutting Middle Devonian limestones of the Torquay Limestone Group at Hope's Nose, Torquay. The selenide assemblage consists of clausthalite (PbSe), tiemannite (HgSe), klockmannite (CuSe), umangite (Cu3Se2), tyrrellite (Cu,Co,Ni)3Se4, trustedtite (Ni3Se4), penroseite (NiSe2), naumannite (AgzSe), eucair...
Even though ground geophysical surveys (especially Induced polarization and resistivity) are applied in mineral exploration, their effectiveness identification of mineralised zones is often enhanced by integrating other exploration techniques such as remote sensing geological investigations. Integrating different helps reducing uncertainty that associated with exploration. The methods being int...
Detailed knowledge of the lithospheric structure is essential for a better understanding tectonic evolution Xing'an-Mongolian Orogenic Belt (XMOB). We constrained across XMOB by receiver function imaging and shear wave splitting analysis from dense seismic array. The lithosphere-asthenosphere boundary (LAB) coherently imaged in different blocks. mid-lithospheric discontinuity also identified at...
مطالعات منابع آب در مناطق کارستی هزینه و زمان زیادی را نیاز دارد. دستیابی به روش هایی که بطور غیر مستقیم اطلاعات پایه ای با ارزشی را در اینگونه مناطق در اختیار قرار دهد از اهمیت ویژه ای برخوردار می باشد. این تحقیق شامل سه مرحله می باشد که مرحل اول آن به بررسی درجه اهمیت عوامل موثر در توسعه کارست در بخشی از پهنه کارستی زاگرس در محدوده شیراز-یاسوج پرداخته شده است. بدین منظور لایه های اطلاعاتی لیت...
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