CONCRETIONS WITH FOSSILS OF THE ULYANOVSK REGION - A NEW KIND OF JEWELRY-ORNAMENTAL RAW MATERIALS
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, of dark gray or black colour, abundant with f...
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| Format: | Article |
| Language: | Russian |
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Sergo Ordzhonikidze Russian State University for Geological Prospecting
2018-04-01
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| Series: | Известия высших учебных заведений: Геология и разведка |
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| Online Access: | https://geology.mgri-rggru.ru/jour/article/view/293 |