Results 11 to 20 of about 305,177 (315)
Uranium-lead dating method at the Pará-Iso isotope geology laboratory, UFPA, Belém - Brazil [PDF]
Anais da Academia Brasileira de Ciências, 2007 Analytical procedures for U-Pb isotope dilution analyses at the Pará-Iso isotope geology laboratory of the Federal University of Pará (UFPA) are described in detail. The procedures are applied to zircon, titanite, rutile, apatite, columbite-tantalite and
Robert S. Krymsky +3 more
doaj +5 more sources
Application of UMAP to identify refined gold sources using chemical composition analysis [PDF]
Scientific ReportsA substantial fraction of global gold production originates from unregulated or illegal operators, which generates severe environmental damage, threatens human rights, and could destabilize local and even national economies. Demonstrating the true origin
Angel A. Verbel +7 more
doaj +2 more sources
GEOPHYSICAL POST-FOUNDATION STUDIES OF MINISRTY OF JUSTICE BUILDING, EKITI-STATE SECRETARIAT, ADO-EKITI, EKITI-STATE, NIGERIA [PDF]
Geological Behavior, 2022 Geophysical investigations were carried out around the ministry of Justice building, Ekiti State Secretariat, Ado-Ekiti, with the aim of investigating the possible cause(s) of failures from the foundation of the building in the government Secretariat ...
Ilugbo Stephen Olubusolab +4 more
doaj +1 more source
Malaysian Journal of Geosciences, 2022 This study has evaluated the post-construction subsoil integrity of a distressed building in Ado-Ekiti, Southwestern Nigeria, to decipher the in-situ lithology and structural disposition. Four traverses of 100 m length were established in approximately E-
Ilugbo Stephen Olubusola +8 more
doaj +1 more source
Technology of low-altitude aeromagnetic survey for prospecting for iron ores as a direction of sustainable development of modern geology [PDF]
E3S Web of Conferences, 2023 Exploration is essential to ensure the achievement of the UN Sustainable Development Goals through the provision of ferrous and non-ferrous metal resources.
Rada Artem +2 more
doaj +1 more source
Typical misinterpretations and scientific concepts in well-logging geologic studies
Natural Gas Industry B, 2023 The method and theoretical system of well logging geology have been widely used in the fields of basic geology, petroleum geology and engineering geology, but the different response sensitivity of different well logging series to geological information ...
Jin Lai +7 more
doaj +1 more source
China Geology, 2023 : Jiama, with more than 11 Mt of copper metal, is the largest porphyry-skarn copper system in the Gangdese metallogenic belt, Tibet, China, creating ideal conditions for deciphering the origin of porphyry ores in a collision setting.
Bin Lin +10 more
doaj +1 more source
Atom Indonesia, 2023 Radon gas in the natural environment mainly comes from the release of local bedrock geology and easily accumulate in closed spaces such as basements and caves.
S Syarbaini +5 more
doaj +1 more source
Kuangchan zonghe liyong, 2022 Through a large number of light and thin section identification under the microscope, a large number of mineral particle size and content measurement statistics, the main useful mineral purification, X-ray analysis, chemical multi-element analysis and ...
Lei Li +5 more
doaj +1 more source
3D multiple-point geostatistical simulation of joint subsurface redox and geological architectures [PDF]
Hydrology and Earth System Sciences, 2021 Nitrate contamination of subsurface aquifers is an ongoing environmental challenge due to nitrogen (N) leaching from intensive N fertilization and management on agricultural fields.
R. B. Madsen +8 more
doaj +1 more source