Results 11 to 20 of about 465,436 (305)

High Precision Strontium Isotope Measurement of Rock Standard Materials by Multi-dynamic TIMS

Yankuang ceshi, 2023
BACKGROUNDStrontium isotopes are a powerful geochemical indicator for tracing the sources and ages of ore-forming materials. TIMS is internationally recognized as the “gold standard” for determining Sr isotopic compositions, however, its analysis ...
Yuqiu WEI, Yating HU, Lian ZHOU, Zhaochu HU, Lanping FENG   +4 more
doaj   +1 more source

Analytical solution for residual stress and strain preserved in anisotropic inclusion entrapped in an isotropic host [PDF]

Solid Earth, 2021
Raman elastic thermobarometry has recently been applied in many petrological studies to recover the pressure and temperature (P–T) conditions of mineral inclusion entrapment.
X. Zhong, X. Zhong, M. Dabrowski, M. Dabrowski, B. Jamtveit   +4 more
doaj   +1 more source

3D modelling of geological and anthropogenic deposits at the World Heritage Site of Bryggen in Bergen, Norway [PDF]

, 2012
The landscape of many historic cities and the character of their shallow subsurface environments are defined by a legacy of interaction between anthropogenic and geological processes. Anthropogenic deposits and excavations result from processes ranging
Caple, Culshaw, De Beer, De Beer, Dunlop, Dunlop, Dunlop, Dunlop, Dunlop, Dunlop, Dunlop, Dunlop, Ellingsen, Ford, Fossen, Fossen, Herteig, Hinze, Holden, Holden, Jensen, Johannes de Beer, Jonathan R. Ford, Kenward, Kessler, Lelliott, Marstein, Mathers, Matthiesen, McMillan, Price, Price, Rosenbaum, Royse, Schia, Simon J. Price, Van de Noort, Wilgocki   +37 more
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Geological Mapping via Convolutional Neural Network Based on Remote Sensing and Geochemical Survey Data in Vegetation Coverage Areas

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
Geological mapping in vegetation coverage areas is a challenging task. In this article, convolutional neural networks (CNNs) were employed for geological mapping in a vegetation coverage area based on remote sensing images and geochemical survey data ...
Ting Pan, Renguang Zuo, Ziye Wang
doaj   +1 more source

Mars Image Analysis [PDF]

, 2004
This lesson plan details an activity designed to put students in the role of scientists in analyzing the geological processes that occur on terrestrial planets - i.e. Earth and Mars.

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Complex Vulnerabilities of the Water and Aquatic Carbon Cycles to Permafrost Thaw

Frontiers in Climate, 2021
The spatial distribution and depth of permafrost are changing in response to warming and landscape disturbance across northern Arctic and boreal regions. This alters the infiltration, flow, surface and subsurface distribution, and hydrologic connectivity
Michelle A. Walvoord, Robert G. Striegl
doaj   +1 more source

Carbonation and serpentinization of diopsidite in the Altun Mountains, NW China

Scientific Reports, 2022
Mineral carbonation of mafic–ultramafic rocks has been highlighted as a promising way for permanent carbon capture and storage. Carbonatization involves the release of Ca, Mg and Fe from silicate minerals by dissolution and reaction in the aqueous phase ...
Dingkui Zhou, Shuyun Cao, Jianhua Liu, Xiaowen Li, Yanlong Dong, Franz Neubauer, Jie Bai, Hu Li   +7 more
doaj   +1 more source

Characterization and mapping of surface physical properties of Mars from CRISM multi-angular data: application to Gusev Crater and Meridiani Planum [PDF]

, 2015
The analysis of the surface texture from the particle (grain size, shape and internal structure) to its organization (surface roughness) provides information on the geological processes.
Ceamanos, X., Costard, F., Daydou, Y., Douté, S., Fernando, J., Pilorget, C., Pinet, P., Schmidt, F.   +7 more
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A Deep-Penetrating Geochemical Prospecting Experiment of Mahuagou Gold Deposit in the Core of the Huangling Anticline, Western Hubei, China

Applied Sciences, 2023
The Mahuagou gold deposit is among the most important gold deposits in the core of the Huangling Anticline. However, the geochemical exploration on the surface of the mining area presents challenges due to the thin overburden.
Weihang Zhou, Li Lei, Yin Gong, Demin Liu, Shuyun Xie, Zhijun Chen, Qinglin Xia, Mengqi Wang, Salah Fadlallah Awadelseid, Oraphan Yaisamut   +9 more
doaj   +1 more source

The investigation of dangerous geological processes resulting in land subsidence while designing the main gas pipeline in South Yakutia [PDF]

, 2003
The number of gas main accidents has increased recently due to dangerous geological processes in underdeveloped areas located in difficult geological conditions. The paper analyses land subsidence caused by karst and thermokarst processes in the right of
L A Strokova, A V Ermolaeva, V V Golubeva, McAllister E W, Singh R, Antaki G, Smith P, Kent Muhlbauer W, Raton Boca, Bayasan R M, Chilingarian G V, Schorr M   +11 more
core   +2 more sources