Results 1 to 10 of about 304,591 (360)

Uranium-lead dating method at the Pará-Iso isotope geology laboratory, UFPA, Belém - Brazil [PDF]

open access: diamondAnais 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   +7 more sources

Application of UMAP to identify refined gold sources using chemical composition analysis [PDF]

open access: yesScientific Reports
A 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]

open access: yesGeological 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

The Geology of the Upper Mississippi Valley Zinc-Lead District [PDF]

open access: bronzeProfessional Paper, 1959
Allen V. Heyl   +4 more
openaire   +2 more sources

GEOPHYSICAL INVESTIGATION FOR POST-FOUNDATION ASSESSMENT WITHIN EKITI STATE UNIVERSITY, ADO EKITI, SOUTHWESTERN NIGERIA

open access: yesMalaysian 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]

open access: yesE3S 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

open access: yesNatural 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

Geology, geochronology, and exploration of the Jiama giant porphyry copper deposit (11 Mt), Tibet, China: A review

open access: yesChina 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

Home - About - Disclaimer - Privacy