نتایج جستجو برای: siltstone ngsi
تعداد نتایج: 301 فیلتر نتایج به سال:
Speleological, paleomagnetic, mineral magnetic, and biochronological analyses have been undertaken at the Gondolin hominin-bearing paleocave, North West Province, South Africa. Two fossiliferous but stratigraphically separate sequences, GD2 and GD1/3, which were once part of a large cavern system, have been identified. Although some comparative paleomagnetic samples were taken from the GD 1, 3,...
The mechanical properties of any substance are essential facts to understand its behaviour and make the maximum use of the particular substance. Rocks are indeed an important substance, as they are of significant use in the energy industry, specifically for fossil fuels and geothermal energy. Attenuation of seismic waves is a non-destructive technique to investigate mechanical properties of res...
The study of facies analysis and interpretation the depositional environment Lemat Formation located at Bukit Tiga Puluh aims to clarify problems found in Paleogene sediments South Sumatra Basin. A detailed fluvial has been carried out Lubuk Bernai track. number observations, profiling, measured stratigraphic section have out. stratigraphy area can be divided into 5 units from old young, namely...
Gamma ray logs are most useful in identifying subsurface lithology and interpreting depositional environments. This study highlights the use of outcrop gamma-ray along with observations total organic carbon (TOC) analysis to provide stratigraphic framework organic-rich rocks Huai Hin Lat Formation central Thailand. The reveals five sedimentary facies including (1) structureless sandstone, (2) s...
Weathering Characteristics of Heterogeneous Permian-Age Siltstone and Mudstone Sediments from Serbia
در ایران، سازندهای ریزدانه مربوط به نئوژن به خاطر وجود املاح گچ ونمک از جمله حساسترین سازندها به فرسایش بوده و عامل اصلی تولید رسوب معلق در بیشتر حوضهها به شمار می روند. هدف از این پژوهش بررسی واحدهای ریزدانه نئوژن حوزه آبخیز طالقان از نظرحساسیت به فرسایش و تولید رواناب، با تأکید بر ویژگیهای ذاتی و با بهرهگیری از بارانساز صحرائی میباشد. در این پژوهش، در آغاز با تجزیه و تحلیل نمونههای سا...
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