Gemological characteristics of jewelry-ornamental septaria of the Ulyanovsk region

Septaria of the Ulyanovsk region are high-quality jewelry and ornamental material. Septaria are associated with lower Cretaceous sediments and are located in the coastal cliffs and the beach area of the Volga river. Septaria consist mainly of calcite — 89 wt. %. Aluminosilicates, quartz, pyrite, fer...

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Detaylı Bibliyografya
Yazar: D. A. Petrochenkov
Materyal Türü: Artigo
Dil:Russo
Baskı/Yayın Bilgisi: Sergo Ordzhonikidze Russian State University for Geological Prospecting 2019-05-01
Seri Bilgileri:Известия высших учебных заведений: Геология и разведка
Konular:
jewelry and ornamental material
septaria
calcite
lower cretaceous sediments
ulyanovsk region
Online Erişim:https://www.geology-mgri.ru/jour/article/view/390
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