Results 41 to 50 of about 208,024 (248)
The Vibration Characteristics of Ground of Rock Blasting in Silt-Rock Strata
Shock and Vibration, 2021 As the shield section passes through the silt-rock strata, the rock stratum of the tunnel section has to be blasted into blocks in advance, and the diameter of the blocks should be less than 30 cm after breaking, and then, the blocks could smoothly enter
Tao Yin +4 more
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Geotechnics, 2022 The Himalayas are one of the most unstable regions in the world. Underground excavations are very challenging in this region due to the fragile geology, tectonic activities and complex geological structures.
Diwakar KC +4 more
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Remote Sensing, 2018 Land subsidence is the disaster phenomenon of environmental geology with regionally surface altitude lowering caused by the natural or man-made factors.
Mingliang Gao +8 more
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Formation of the Wink Sink, A Salt Dissolution and Collapse Feature, Winkler County, Texas [PDF]
, 1982 UT ...
Baumgardner, Jr., Robert W. +2 more
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Advances in Bridge Engineering, 2023 Sichuan kahalo Jinsha River Bridge is a suspension bridge with a main span of 1030 m, and the anchorages on both sides are gravity anchorages. In order to adapt to special terrain and geological conditions, anchorage of Sichuan bank pioneered the use of ...
Qiyu Tao, Qigang Xu, Li Chen, Rui Gu
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Land uplift linked to managed aquifer recharge in the Perth Basin, Australia
International Journal of Applied Earth Observations and Geoinformation, 2021 While the link between groundwater extraction and land subsidence is well documented, observations of land uplift associated with groundwater replenishment are less so.
A.L. Parker +5 more
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Geology of the Souter Head subvolcanic complex, Aberdeenshire, Scotland: an Ordovician granite-related Mo–(Bi–As–Au) system [PDF]
Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 2020 ABSTRACTAn Ordovician subvolcanic intrusive complex hosted by Neoproterozoic metasediments crops out at Souter Head about 6km S of Aberdeen, Scotland. The complex is composed mainly of two-mica red granite and breccia with minor dykes of pegmatite, quartz porphyry, felsite and dolerite, and widespread quartz veining, hydrothermal alteration and minor ...
Clive M. RICE, Darren F. MARK
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The morphology of xenarthrous vertebrae (Mammalia: Xenarthra) / [PDF]
, 1999 n.s.
Gaudin, Timothy J. (Timothy James), 1966-
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Geochemistry of trace and rare earth elements of the productive intrusions in the Kuh-Kapout porphyry copper deposit, Urumieh–Dokhtar magmatic arc [PDF]
پترولوژیIntroductionThe Cenozoic Urumieh-Dokhtar magmatic arc has characteristics similar to those of Andean-type magmatic arcs. Various types of magmatism occurred in this arc including calc-alkaline and K-rich calc-alkaline magmatism and less of them alkaline ...
Alireza Zarasvandi +5 more
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Automated collection of single species of microfossils using a deep learning–micromanipulator system
Progress in Earth and Planetary Science, 2020 For geochemical analysis such as stable isotope ratio, radiocarbon dating and minor element analysis for a single species of microfossils, a large number of specimens, is required. Collecting specimens one by one under a microscope requires enormous time
Takuya Itaki +5 more
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