In order to determine Cd isotopic composition accurately, the key is to guarantee Cd recovery and reduce Sn interference.The recoveries of Cd with various separation and purification methods reported by previous studies show a large range variation from ...
DUAN Gui-ling +5 more
doaj +1 more source
Changes in stratigraphic nomenclature by the U.S. Geological Survey, 1968 [PDF]
George Vincent Cohee +2 more
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Digital Field Mapping and Drone-Aided Survey for Structural Geological Data Collection and Seismic Hazard Assessment: Case of the 2016 Central Italy Earthquakes [PDF]
Daniele Cirillo
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New geological models from the British Geological Survey [PDF]
Over the last decade many Geological Survey Organisations worldwide have begun to communicate their geological understanding of the subsurface through 3D geological models, and the traditional printed geological map has been increasingly phased out. This
Kessler, Holger, Mathers, Steve
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Illustration of text data mining of rare earth mineral thermodynamic parameters with the large language model‐powered LMExt. A dataset is built with mined thermodynamic properties. Subsequently, a machine learning model is trained to predict formation enthalpy from the dataset.
Juejing Liu +6 more
wiley +1 more source
New geochronological evidence for the timing of early Tertiary ridge subduction in southern Alaska: A section in <i>Geologic studies in Alaska by the U.S. Geological Survey, 1998</i> [PDF]
Dwight C. Bradley +6 more
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Anglesey (Ynys Môn) : 600 million years of Welsh history [PDF]
Earth scientists from the British Geological Survey (BGS) are applying new techniques to advance our understanding of the geological evolution of Anglesey, North Wales, unravelling over 600 million years of Earth history.
Beamish, David +2 more
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Sub‐Micrometer‐Precision Path Following of Piezo‐Actuated Mobile Robot
This article reports on the Holonomic‐Beetle (HB), a palm‐sized robot that achieves sub‐micrometer (sub‐µm) precision path tracking across spatial ranges from 100 µm to 10 mm. Using proportional‐integral‐derivative (PID) control, the HB accurately tracks both complex and straight paths with sub‐µm path errors, surpassing existing robots.
Eiji Kusui +9 more
wiley +1 more source
U.S. Geological Survey Oil and Gas Resource Investigations Program [PDF]
Richard F. Mast
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The Mountain Pass Rare-Earth Deposits [PDF]
Rare-earth minerals were discovered near Mountain Pass in northeastern San Bernardino County, Calif., in April 1949, and in the following year the Sulphide Queen carbonate body was found.
Olson, J. C., Pray, L. C.
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