Results 11 to 20 of about 48,956 (265)

Determination of Trace Iodine in Soils, Sediments and Rocks by ICP-MS after Pressurized Acid Digestion-Hydroxylamine Hydrochloride Reduction

Yankuang ceshi, 2019
BACKGROUND Iodine is an active element with many valences. It is easy to transform each other between valence states and its chemical properties are unstable.
REN Dong, ZHOU Xiao-lin, ZONG You-yin, ZHANG Ting-zhong   +3 more
doaj   +1 more source

Complex Surface Deformation of the Coalfield in the Northwest Suburbs of Xuzhou from 2015 to 2020 Revealed by Time Series InSAR

Canadian Journal of Remote Sensing, 2021
The coalfield in the northwest suburbs of Xuzhou has suffered from extensive land subsidence; however, the temporal nonlinearity and corresponding spatial variation of its surface deformation has not been adequately explored.
Langping Li, Cunfa Zhao, Jianxue Huang, Changming Huan, Huaqiao Wu, Ping Xu, Linshan Yuan, Yi Chen   +7 more
doaj   +1 more source

dh2loop 1.0: an open-source Python library for automated processing and classification of geological logs [PDF]

Geoscientific Model Development, 2021
A huge amount of legacy drilling data is available in geological survey but cannot be used directly as they are compiled and recorded in an unstructured textual form and using different formats depending on the database structure, company, logging ...
R. Joshi, K. Madaiah, M. Jessell, M. Lindsay, M. Lindsay, G. Pirot   +5 more
doaj   +1 more source

Improved calculation of the rigidity of double-row piles and double-beam composite support and displacement analysis under different soil properties

Shuiwen dizhi gongcheng dizhi, 2022
As a new type of cantilever-type supporting structure, the double-row pile supporting combination system can improve the overall rigidity to maintain the safety and stability of the side of the foundation pit. The case of a double-row pile foundation pit
Fengwu GONG, Chen LIU, Wenjuan GUO, Chenguang LI, Zhanying FENG, Yinbo ZHANG   +5 more
doaj   +1 more source

Geochemical characteristics of the primary halo in boreholes and prospecting prediction of the Banchang Cu-Mo polymetallic deposit in Henan Province

地质科技通报, 2023
The Banchang Cu-Mo polymetallic deposit is located in the middle section of the Zhuyangguan-Xiaguan regional fault, the North Qinling fold belt of the eastern Qinling orogenic belt. It is the first large copper deposit discovered in Henan Province.
Juan Yao, Xiaoxu Zhang, Shengyuan Lu, Lei Chen, Lei Qin   +4 more
doaj   +1 more source

Accumulation and Source Apportionment of Soil Heavy Metals in Molybdenum-Lead-Zinc Polymetallic Ore Concentration Area of Luanchuan

Yankuang ceshi, 2023
BACKGROUNDThe Luanchuan Mo-Pb-Zn polymetallic ore concentration area, located in Henan Province, China, has a long-term history of mining activities. Heavy metals have been liberated during mining, which induces heavy metal pollution of water and soil ...
Danli CHEN, Guannan LIU, Zhengsong XING, Wei LIU, Feifei PAN, Jianjun XU, Yuanyi ZHAO   +6 more
doaj   +1 more source

Formation characteristics of newly discovered Akçal (Balıkesir) Au-Ag epithermal mineralization in Extensional Tectonics of Biga Peninsula, Western Tethyan Belt

Bulletin of the Mineral Research and Exploration
Akçal Au-Ag mineralization is located in one of the most important metallogenic provinces in Tethys Orogenic Belt, Biga Peninsula. In the study area, widespread argillic alteration is observed and mined in previous years.
Ramazan Sari, Zehra Deveci Aral, Şahset Küçükefe, Elif Dilek Bayrakçıoğlu, Ahmet Metin Öteleş, Mehmet Barış Durgun, Buğra Çavdar, Cahit Dönmez   +7 more
doaj   +1 more source

Study on the zoning of karst development in the Jiaodong Peninsula: Take the Zhongqiao area of Yantai City as an example

Carsologica Sinica, 2023
Karst is developed in all provinces of China. In Shandong Province, karst is mainly developed in its southwest part, and is sporadically distributed in the Jiaodong area.
Ning YANG, Meng SHI, Tao YIN, Linhong YU, Yuanfeng WANG, Jie ZHANG, Peipei FENG   +6 more
doaj   +1 more source

Mineral Exploration at the Kimmeria Fe-Cu Skarn Deposit, N. Greece: Reassessment and New Perspectives Focusing on the CRMs

Materials Proceedings
Following the worldwide increasing demand for Critical Raw Materials (CRMs), the Hellenic Geological Survey (HSGME) implemented a national project focused on the re-evaluation of certain Public Mining Areas in Greece.
Michalis Fitros, Constantinos Mavrogonatos, Marianthi Anastasatou, Adamantia Chatziapostolou, Konstantinos Laskaridis, Petros Karmis, Magdalini Angeli, Dimitrios Tsouvalas, Alexandros Liakopoulos, Dimitrios Tarenidis, Vasiliki Angelatou   +10 more
doaj   +1 more source

Influence of initial compaction and confining pressure on the hydraulic conductivity of compacted iron ore tailings [PDF]

E3S Web of Conferences
The hydraulic conductivity of iron tailings is an important factor affecting the stability of tailings storage facilities. Stacking compacted filtered ore tailings is a promising alternative for safer tailings disposal. These tailings storage facilities’
dos Santos Roberto Aguiar, Delgado Bruno Guimarães, Rissoli Ana Luisa Cezar, Silva João Paulo de Sousa, Dal Toé Casagrande Michéle   +4 more
doaj   +1 more source