Results 51 to 60 of about 2,528 (185)
Estudios Geologicos, 1984 El distrito de F-(Pb, Zn, Ba) de la Sierra de Baza (al SE de España) está constituido fundamentalmente por mineralizaciones estratiformes y estratoligadas de fluorita-(galena), enclavadas en niveles carbonatados del Ladiniense Superior-Carniense.
J. Torres-Ruiz, F. Delgado
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Short‐stature maize hybrids reduce the number of locations with wind damage by 64% in the US Midwest
Crop Science, Volume 66, Issue 2, March/April 2026.Abstract Future agricultural systems must become more resilient as the impacts of climate change increase. One expected outcome of climate change is an increase in severe thunderstorms with high velocity straight line winds, with deleterious impacts on crops.
Byron Evers +13 more
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New Zealand Geological Timescale 2025
New Zealand Journal of Geology and Geophysics, Volume 69, Issue 1, March 2026.New Zealand Geological Timescale 2025 (NZGT 2025) is the first comprehensive update and revision of the New Zealand Geological Timescale in a decade. The criteria used to establish age ranges of New Zealand Stages within the NZGT have been reviewed, calibrated, and revised where required against the 2023/04 International Chronostratigraphic Chart and ...
Christopher D. Clowes +13 more
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Revista Colombiana de Biotecnología, 2011 Adaptation of a strain Acidithiobacillus ferrooxidans compatible on concentrates of chalcopyrite (CuFeS2), sphalerite (ZnS) and galena (PbS) RESUMEN En este estudio se evaluó la adaptación de una cepa compatible con Acidithiobacillus ferrooxidans a ...
E Mejía +4 more
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Revealing the Internal Structure of Mars‐Analog Glaciers From Drone‐Based Radar Sounding
Journal of Geophysical Research: Planets, Volume 131, Issue 3, March 2026.Abstract Martian debris‐covered glaciers (DCGs) contain large quantities of water ice beneath a protective layer of rock and dust. Properties of the overlying regolith such as density and depth to ice are critical parameters for guiding in situ resource utilization (ISRU) of water and coring missions targeting potential habitats.
Roberto J. Aguilar +4 more
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Minería y Geología, 2011 There are some vein type sediment hosted sulfate-sulfide mineralizations in Garus district, NW of Iran. They occur in a (shale) host rock of Precambrian age and they show evidence of some deformation.
Bahram Vusuq +2 more
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Boletín Geológico, 1990 La región objeto de este estudio se localiza al extremo sur central del Macizo de Santander, cordillera Oriental de Colombia. En una secuencia de sedimentitas del Cretáceo inferior y en posición concordante con la dirección de los estratos, se encuentra
Hernando Mendoza Forero
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Geoscience Data Journal, Volume 13, Issue 1, January 2026.We build a new, open‐source global copper deposit dataset (GCDD), facilitating AI‐driven data analysis for exploration targeting and improving our understanding of copper mineralizing systems and their mappable expressions. The GCDD hosts information about 1483 copper deposits worldwide, capturing key deposit attributes such as location, genetic type ...
Bin Wang +2 more
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Comparative Microstructure Characteristics of Synthesized PbS Nanocrystals and Galena
SciLead sulfide (PbS) on the nanoscale was synthesized via a chemical route at room temperature using lead nitrate {Pb(NO3)2} and sodium sulfide (Na2S). The Na2S was prepared at ~105 °C using sodium hydroxide (NaOH) and sulfur (S) powder.
Ehab AlShamaileh +6 more
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Lichens of abandoned zinc-lead mines
Acta Mycologica, 2013 A list of lichens from areas of zinc-lead ores in Southern Poland and a review of the characteristic lichen biota of these sites is provided. In spite of the devastated and heavy metal contaminated environment, a highly diverse epigeic and epilithic ...
Urszula Bielczyk +2 more
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