نتایج جستجو برای: rock weathered
تعداد نتایج: 40360 فیلتر نتایج به سال:
[1] Complete sets of mineral abundances for relatively unaltered volcanic or volcaniclastic rocks in Gusev Crater have been determined by modeling Mössbauer subspectral areas as mineral weight percentages, and combining those percentages with the proportions of iron-free minerals not detected by Mössbauer (normative plagioclase, apatite, and chromite, as calculated from Alpha Particle X-Ray Spe...
In this paper are treated briefly the geotechnical analysis of hills slopes areas in the heritage town of Berati, Albania. From engineering geological mapping on scale 1:10 000 and geotechnical investigations carried out in urban area of Berati town was found that two zones are threated from landslides phenomenon. The first one is located in center part, whereas the second in northeast part of ...
Arsenopyrite-rich wastes from abandoned tungsten and tin exploitations were studied to determine the composition and characteristics of the secondary phases formed under natural weathering conditions so as to assess their potential environmental risk. Representative weathered arsenopyrite-bearing rock wastes collected from the mine dumps were analysed using the following techniques: X-ray powde...
Understanding the strength and slip behaviour of tectonic faults is a central problem in earthquake physics and seismichazard assessment1–8. Many major faults, including the San Andreas Fault, are weak compared with the surrounding rock, but the cause of this weakness is debated1. Previous measurements of the frictional strength of San Andreas Fault rocks are too high to explain the observed we...
Weathering profile characterization is one of the significant information in interpretation condition rock. In addition, tropical climate Malaysia causes deep–seated weathering phenomena granitic The identification granite can be made using in–situ Schmidt hammer rebound test which non–destructive tests (NDT) that widely used. this study, carried out on rock Paya Terubong, Pulau Pinang. Based s...
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