Results 1 to 10 of about 61 (57)
Известия высших учебных заведений: Геология и разведка, 2018 Sengilite is a trade mark of florogenic jewelry and ornamental material being mined around the village Sengilei of the Ulyanovsk region. The sangilite is a lithofected marine plant remains cemented in marl.
D. A. PETROCHENKOV
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CONCRETIONS WITH FOSSILS OF THE ULYANOVSK REGION - A NEW KIND OF JEWELRY-ORNAMENTAL RAW MATERIALS
Известия высших учебных заведений: Геология и разведка, 2018 Concretions with fossils of the Ulyanovsk region are a new kind of jewelry and ornamental raw materials. Concretions are located in the middle part of the section of the Hauterivian sediments, which formed by dark gray dense clays. Concretions are dense,
D. A. Petrochenkov
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About the monograph “Collection and jewelry cassiterite”
Известия высших учебных заведений: Геология и разведка, 2021 Specialists of the Sergo Ordzhonikidze Russian State University for Geological Prospecting (MGRI), which had been training gemologists for many years, conducted an interesting and substantial study devoted to a non-traditional use of cassiterite, a ...
S. V. Belov
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Известия высших учебных заведений: Геология и разведка, 2019 For the first time, data on the mineral composition and gemological characteristics of the jewelry-ornamental ammonites of the Republic of Adygea have been presented.
D. A. Petrochenkov
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Известия высших учебных заведений: Геология и разведка, 2018 Fossils of marine reptiles are a new jewelry and ornamental material and collected in the Ulyanovsk region from the Upper Jurassic deposits. They consist of (wt. %): calcite — 52, apatite — 24 and pyrite — 23, and also gypsum presents.
D. A. Petrochenkov
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Mineral composition and gemological characteristics of the petrified wood of the Ulyanovsk region
Известия высших учебных заведений: Геология и разведка, 2019 For the first time, the mineral composition and gemological characteristics of the petrified wood from the Ulyanovsk region, of jewelry and ornamental quality, have been studied.
D. A. Petrochenkov
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Changes in homegardens in relocation villages, a case study in the Baiku Yao area in Southern China. [PDF]
J Ethnobiol Ethnomed, 2023 Hu R, Xu C, Nong Y, Luo B.
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Advanced Composite Materials Utilized in FDM/FFF 3D Printing Manufacturing Processes: The Case of Filled Filaments. [PDF]
Materials (Basel), 2023 Kantaros A +3 more
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Economically viable flower drying techniques to sustain flower industry amid COVID-19 pandemic. [PDF]
Environ Dev Sustain, 2023 Kumar M +3 more
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Threads of memory: Reviving the ornament of a dead child at the Neolithic village of Ba`ja (Jordan). [PDF]
PLoS One, 2023 Alarashi H +17 more
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