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2321
Les caves de Reims/Durocortorum à travers les exemples de la fouille du tramway
Published 2022-11-01“…The decorative elements observed on the walls remain limited and are based, a priori, on the alternation of materials used (terracotta, chalk or limestone) in order to create a contrast of color, as well as on a particular treatment of the mortar joints (joints drawn with iron, sometimes enhanced with the addition of a red color). …”
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2322
Geological, alteration, mineralogy and geochemical studies of the Copper deposit in the Kalatehno prospect area, northwest of Gonabad (Khorasan Razavi province)
Published 2024-10-01“…Malachite, chrysocolla, chalcocite and secondary iron oxides (hematite, goethite) constitute the mineralization of oxidation and supergene zone. …”
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2323
Le sanctuaire romain du Vigneau à Pussigny (Indre-et-Loire) : un lieu de mémoire, de vie et d’accueil
Published 2023-12-01“…A second, nested within the first, can be dated to the Final Bronze Age, and there are also two enclosures dating to the Iron Age. Due to the low sedimentary cover, these complexes have had a lasting impact on the landscape and, by extension, on the collective memory: megaliths, levees or mounds of earth, enclosures with ditches, are all signs of the presence of these ancestors. …”
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2324
Mineralogy, alteration, fluid inclusions microthermometry and genesis of the Cu-Au Kalateh Dasht deposit, south of Shahrood, NE Iran
Published 2024-12-01“…The presence of light-colored sphalerite, which indicates a low iron content, serves as an additional indicator of epithermal systems with moderate sulfidation. …”
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2325
Pierre et carrières dans la Saintonge antique : identification, usages et diffusion
Published 2022-12-01“…Scanning electron microscope analysis reveals a mass of grains composed mainly of pure silica, with a minority of other more remarkable grains, wherein silica has combined with elements such as aluminium, potassium and iron. Other grains containing elements such as titanium or zirconium also occasionally appear independently. …”
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2326
Andreybulakhite, Ni(C<sub>2</sub>O<sub>4</sub>)  ⋅  2H<sub>2</sub>O, the first natural nickel oxalate
Published 2025-02-01“…The empirical formula calculated on the basis of (Ni <span class="inline-formula">+</span> Cu <span class="inline-formula">+</span> Mg <span class="inline-formula">+</span> Co) <span class="inline-formula">=1</span> atom per formula unit is (Ni<span class="inline-formula"><sub>0.63</sub></span>Cu<span class="inline-formula"><sub>0.27</sub></span>Mg<span class="inline-formula"><sub>0.08</sub></span>Co<span class="inline-formula"><sub>0.02</sub>)<sub>Σ1.00</sub></span>(C<span class="inline-formula"><sub>2</sub></span>O<span class="inline-formula"><sub>4</sub></span>) <span class="inline-formula">⋅</span> 2H<span class="inline-formula"><sub>2</sub></span>O. The absence of iron in the mineral is a result of oxidative <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M41" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msup><mi mathvariant="normal">Ni</mi><mrow><mn mathvariant="normal">2</mn><mo>+</mo></mrow></msup><mo>/</mo><msup><mi mathvariant="normal">Fe</mi><mrow><mn mathvariant="normal">3</mn><mo>+</mo></mrow></msup></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="52pt" height="15pt" class="svg-formula" dspmath="mathimg" md5hash="9efcbcd76274bb6c3a635d566edf6dce"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="ejm-37-63-2025-ie00002.svg" width="52pt" height="15pt" src="ejm-37-63-2025-ie00002.png"/></svg:svg></span></span> fractionation during the secondary aqueous alteration of Ni- and Cu-rich sulfides. …”
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2327
Èdè Àyàn: The Language of Àyàn in Yorùbá Art and Ritual of Egúngún
Published 2021-12-01“…This has continued to make it become virtually impossible for a deeper understanding of Yorùbá art in particular and African art as a whole. Ironically, the same scholars prefer to invest their energy, searching outside of the art’s cultural origin to fulfil their primary goal of “appreciating” the African art, rather than searching within African culture, language and values, the very driving forces that gave rise to this art, and thus a catalyst to understanding it.2 It is on that note that I believe the question that scholars of African art should begin to ask themselves is: when will African art scholarship––unlike Western art studies that often demand intellectual rigor and professional thoroughness––rise above its present art “appreciating” status vis-à-vis African art? …”
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2328
Étude de trois grands tonneaux mis au jour à Reims/Durocortorum (Marne) : le savoir-faire des tonneliers antiques
Published 2020-12-01“…Once the barrel was assembled, the cooper branded his mark on it with a hot iron. These large branded cartouches appear as a highlight on the bottom of the barrels, often positioned transversely and encompassing two staves, as well as directly above the bung hole. …”
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