Results 91 to 100 of about 179,064 (175)
New orogenic type gold occurrences in the Uyanga ore knot (Central Mongolia)
The Uyanga ore knot district of the Khangay metallogenic zone are hosted by the lower-middle Devonian volcanogenic-sedimentary Erdenetsogt formation.
Ariunbileg Sodov +6 more
doaj +1 more source
Habit photographs of field‐collected and in vitro‐cultivated (c) Sphagnum spp. used for experiments. Summary Sphagnum mosses regulate peatland carbon storage, hydrology, nutrient cycling, and ecosystem functioning. However, the links among their surface chemistry, photosynthesis, responses to submersion and pH remain poorly understood.
Anna Di Palma +8 more
wiley +1 more source
Relevance of the work is in revealing conditions of formation of rocks and ores from the Shirokinsky ore cluster. The distinctive feature of the ore cluster is the high gold mineralization of its polymetallic ores.
Bair Namzhilovich Abramov +3 more
doaj +2 more sources
This work presents the results of complex laboratory investigation carried out in order to determine the possibilities to produce quality concentrates of wolfram and antimony minerals out of polymetallic wolfram-antimony ore from Osanica deposit, near ...
Bartulović, Zoran +3 more
core
The analysis of antimony ores usually uses acid decomposition and an alkali fusion system, followed by the volumetric method after solvent extraction. Each component employs various analytical methods such as capacity, Atomic Absorption Spectrometry and ...
LIU Jiang-bin +7 more
doaj +2 more sources
Virgil Hicks instructing students, 1930's
Virgil Hicks instructs a group of boys in the 1930's.[Front] Boychuk-photo.; Pacific University Forest Grove, ORE.; Pacific University Library Forest Grove, Oregon; Virgil Hicks Don't use - ?; Students and alumni G-H; Pacificana; Boychuk Studio 1015 S. W.
Boychuk Studio, Portland, ORE., photographer
core +1 more source
A man identified as Virgil Hicks feeds wood into a furnace in the 1920's at Pacific University.[Front] Boychuk-Photo; [Back] Pacificana Hicks,; Hicks 4; Boychuk Studio 1015 S. W.
Boychuk Studio, Portland, ORE., photographer
core +1 more source
sponsorship: This research is financially supported by the National Science Foundation of China (42372105, 42073001) ; the Hunan Provincial Natural Science Foundation Joint Fund Project (2025JJ80403) ; the 2024 Department-Province Cooperation Project of the Ministry of Nat-ural Resources, China (2024ZRBSHZ141) ; the Major Scientific and Technological ...
Kang, Lin-Yan +5 more
openaire +2 more sources
Objective Sb deposits are characterized by simple mineral assemblage. The ore-forming ages, sources of ore-forming materials, and genesis of Sb deposits are controversial owing to the absence of suitable minerals for analysis.
LIU Xiaohu +7 more
doaj +1 more source

