Mineralogy of Middle Triassic ilmenite placer, Kydzrasy river (Pre-Ural Foredeep)

Shmakova, A.; Голубева, И. И.; Ilyina, N. V.; Kushmanova, E. V.

doi:10.19110/2221-1381-2018-2-28-37

Vestnik IG KomiSC

2018

DOI: 10.19110/2221-1381-2018-2-28-37

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Mineralogy of Middle Triassic ilmenite placer, Kydzrasy river (Pre-Ural Foredeep)

A. Shmakova¹,

И. И. Голубева²,

N. V. Ilyina³

et al.

Abstract: Ïðèâåäåíû ðåçóëüòàòû êîìïëåêñíîãî èçó÷åíèÿ èëüìåíèòîâîãî ðîññûïåïðîÿâëåíèÿ â îòëîaeåíèÿõ ñðåäíåãî òðèàñà íà ð. Êûäçüðàñúþ, âûÿâëåííîãî â ðÿäó äðóãèõ ïîäîáíûõ ïðîÿâëåíèé â ñëàáîëèòèôèöèðîâàííûõ ãðàóâàêêîâûõ ïåñ÷àíèêàõ òðèàñà â âîñòî÷íîé ÷àñòè Áîëüøåñûíèíñêîé âïàäèíû Ïðåäóðàëüñêîãî êðàåâîãî ïðîãèáà. Òèòàíîíîñíûå îòëîaeåíèÿ õàðàêòåðèçóþòñÿ âûñîêèìè ñîäåðaeàíèÿìè èëüìåíèòà (äî 102 êã/ì 3) è ñóùåñòâåííî îòëè÷àþòñÿ ñòðîåíèåì è óñëîâèÿìè îáðàçîâàíèÿ îò èçâåñòíûõ öèðêîí-èëüìåíèòîâûõ ðîññûïíûõ ìåñòîðîaeäåíèé. Îïðåäåëåí… Show more

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Palynological assemblage of the Synya Formation (Middle Triassic) from outcrops at the Vertny river (Bol’shaya Synya Depression, the Timan-Northern Urals region)

Ильина

Zharkov²

2023

Vestnik of Geosciences

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The results of a palynological study of terrigenous rocks exposed in the lower reaches of the Vertny River and correlated with the Syninskaya Formation of the Bolshesyninskaya Series of the Legend of the North Ural Sheet Series GK-200/2 are presented. The Middle Triassic (Ladinian) age of the rocks was determined. A quantitative analysis of the species composition of the identified palynological assemblage using the Sporomorph EcoGroup method (SEG-analysis) was carried out. Based on palynological data, elements of the vegetation cover and landscape conditions have been reconstructed. It is concluded that the studied deposits were formed in the Ladinian Age in a very warm, humid climate within a vast tidal paleodelta. In the formation of the terrestrial vegetation cover, the leading role was played by moisture-loving plants characteristic of coastal marshes, deltaic lowlands, and tidal flats with mangrove-like thickets.

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Palynological assemblage of the Synya Formation (Middle Triassic) from outcrops at the Vertny river (Bol’shaya Synya Depression, the Timan-Northern Urals region)

Ильина

Zharkov²

2023

Vestnik of Geosciences

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show abstract

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Mineralogy of Middle Triassic ilmenite placer, Kydzrasy river (Pre-Ural Foredeep)

Cited by 1 publication

References 0 publications

Palynological assemblage of the Synya Formation (Middle Triassic) from outcrops at the Vertny river (Bol’shaya Synya Depression, the Timan-Northern Urals region)

Palynological assemblage of the Synya Formation (Middle Triassic) from outcrops at the Vertny river (Bol’shaya Synya Depression, the Timan-Northern Urals region)

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