scholarly journals Nature of zircon clastics in the Riphean and Vendian sandstones of the Southern Urals

Georesursy ◽  
2019 ◽  
Vol 21 (1) ◽  
pp. 15-25
Author(s):  
A.A. Krasnobaev ◽  
V.N. Puchkov ◽  
N.D. Sergeeva ◽  
S.V. Busharina
Keyword(s):  
Southern Urals ◽  
New Age ◽  
Detrital Zircons ◽  
The Other ◽  
The Southern Urals ◽  
Mechanical Abrasion ◽  
Terrigenous Rocks ◽  
Age Variations ◽  
Composition Characteristics

New age dates of detrital zircons of terrigenous rocks augmented the possibilities of interpretation of their provenance. Unfortunately this interpretation is restricted by a formal comparison of age-and-composition characteristics of detrital crystals with any very distant model objects. The paper deals with a situation when the role of a source of a detritus is claimed by local objects. When comparing the age parameters of primary and detrital crystals of zircons, the data on Riphean volcanics and ancient metamorphics of the Taratash complex of the Southern Urals were used. Specifying the ideas on the nature of the zircon clastics (detritus) and its relationships with primary zircons of sources, a role of processes of mechanical abrasion is pointed out, leading to a clearing of heterogenous primary grains of defect crystals, which results in an accumulation of crystals of more homogenous appearance. The analysis of SHRIMP and TIMS-dates of zircons and U and Th concentrations in them, and also a comparison of histograms of primary zircons from Riphean volcanics and rocks of the Taratash complex on one hand and the detrital zircons from the Vendian and Riphean sandstones of the Southern Urals on the other, have shown that the age variations of both are rather comparable. It means that the age characteristics of primary zircons from the Riphean volcanics and rocks of the Taratash complex as sources of zircon clastics for the Riphean and Vendian sandstones are regulated by processes of resedimentation, and a detrital fraction of zircons is formed at the expense of local objects. The participation of very distant sources is not excluded, but in our case it is not detected.

scholarly journals The sources of zircons in clastic rocks of the Riphean deposits of the Urals

2019 ◽  
Vol 488 (4) ◽  
pp. 413-419
Author(s):  
A. A. Krasnobaev ◽  
V. N. Puchkov ◽  
N. D. Sergeeva ◽  
S. V. Busharina
Keyword(s):  
Southern Urals ◽  
Detrital Zircons ◽  
The Other ◽  
The Urals ◽  
The Southern Urals ◽  
Clastic Rocks ◽  
Lower Riphean ◽  
Age Variations ◽  
Age Determinations

New age determinations of detrital zircons of sandstones augmented the possibilities of interpretation of their provenance. This interpretation is often restricted by a formal comparison of age-and-composition characteristics of detrital crystals with any very distant model objects. A different situation arises when the role of a source of a detritus is claimed by local objects. The analysis of SHRIMP and TIMS - datеs of zircons and U and Th concentrations in them, and also a comparison of histograms of primary zircons from Riphean volcanics and rocks of the Taratash complex on one hand and the detrital zircons from the sandstones of Vendian (Asha series) and Lower Riphean (Ai Formation) on the other, have shown that the age variations of sources and clastics are comparable in many aspects. It means that the age characteristics of primary zircons from the Riphean volcanics and rocks of the Taratash complex as sources of zircon clastics for the Riphean and Vendian sandstones in the Southern Urals are regulated by processes of resedimentation, though the influence of distant sources is not excluded.

A Reconstruction of a Vendian–Cambrian Active Continental Margin within the Southern Urals: Results of Detrital Zircons Studying from Ordovician Terrigenous Rocks

Geotectonics ◽  
2019 ◽  
Vol 53 (4) ◽  
pp. 485-499 ◽  
Author(s):  
A. V. Ryazantsev ◽  
N. B. Kuznetsov ◽  
K. E. Degtyarev ◽  
T. V. Romanyuk ◽  
T. Yu. Tolmacheva ◽  
...  
Keyword(s):  
Continental Margin ◽  
Active Continental Margin ◽  
Southern Urals ◽  
Detrital Zircons ◽  
The Southern Urals ◽  
Terrigenous Rocks

ABOUT THE PHYTOCENOTIC ROLE OF THE DARKNOUS SPECIES IN THE SOUTHERN URALS

2017 ◽  
Vol 212 (12) ◽  
pp. 48-50
Author(s):  
Ju.P. Gorichev ◽  
◽  
A.N. Davydychev ◽  
A.Yu. Kulagin ◽  
◽  
...  
Keyword(s):  
Southern Urals ◽  
The Southern Urals

scholarly journals Early Permian granitoids of the East Magnitogorsk zone (South- ern Urals): petrology, geochemistry, and geodynamic formation environment

2020 ◽  
Vol 1 (1) ◽  
pp. 47-62
Author(s):  
Timofey Nikolaevich SURIN ◽  
Keyword(s):  
Water Pressure ◽  
Southern Urals ◽  
Geodynamic Setting ◽  
Type I ◽  
Early Permian ◽  
The Southern Urals ◽  
Quartz Syenite ◽  
Crystallization Differentiation ◽  
Geochemical Study

The relevance of the problem. The Early Permian magmatism of the Southern Urals is poorly studied with the help of modern methods. The granitoid massifs of this age locally developed in the East Magnitogorsk zone contain important information about the geodynamic conditions of their formation. Clarification of this issue makes an important contribution to the understanding of the geodynamic development of the Urals. The nature of granitoids is still debatable. The connection with the massifs combined in the Balkan complex of gold-tungsten mineralization indicates the need for a comprehensive study. The purpose of the study is to determine the petrological and geochemical features of the rocks of the Balkan complex, to identify the mechanism of their petrogenesis and to establish the geodynamic conditions of their formation. Results. The petrological and geochemical study of the formations of the Balkan complex was carried out and their place in the typical taxonomy of granitoids was determined. Their belonging to the I-type is shown. Mineralogical and petrogeochemical methods were first studied for shonkinite xenoliths in granitoids. The mechanism of petrogenesis of rocks is proposed and the geodynamic setting of their formation is determined. It is shown that the monzonitemonzodiorite-quartz syenite-granosyenite-leucogranite series of rocks was formed as a result of crystallization differentiation of a single parental melting, and it was also concluded that the massifs of the complex are formed under conditions of early collision conditions with the important role of the subduction process. The mechanism of formation of the massifs of the complex is largely similar to mechanism for granitoids in other conflict areas, although it has its own specifics. Conclusions. 1). The Early Permian granitoids of the Balkan complex relates to type I. 2). All rocks of the complex, from monzonites to quartz syenites and leucogranites, including xenolith shonkinites, form a petrogenetic series formed as a result of crystallization differentiation of a single parent alkaline-gabbroic melting with increased water pressure. 3). The Balkan complex was formed in an early collisional setting under the action of deep subduction. 4). Transpression in the upper part of the crust induced formation of the massifs of the complex. 5). The Balkan complex is a kind of indicator of the growth of the newly formed crust as a result of collision and accretion processes.

scholarly journals Philosophical contexts in Mary Shelley’s novel «Frankenstein»

2020 ◽  
Vol 25 (3) ◽  
pp. 61-66
Author(s):  
Konstantin A. Ozherelyev
Keyword(s):  
New Age ◽  
The Other ◽  
The Novel ◽  
Gothic Novel ◽  
Other Hand ◽  
The One

The paper analyzes the key philosophical contexts and subtexts of M. Shelley’s most famous work “Frankenstein”. According to the author of the article, the philosophical layer of this Gothic novel consists of ideas and maxims that directly inherit the concepts of the worldview platforms of Plato, J.-J. Russo, G. W. F. Hegel, K. F. Volney, W. Godwin, M. Wollstonecraft, as well as the philosophy of the New Age and romanticism. An assumption is made, on the one hand, about the proximity of some worldview attitudes of these philosophers and the author of “Frankenstein” and, on the other hand, about the deliberate introduction of philosophical passages into the fabric of the novel, which play the role of retardation elements.

scholarly journals Symbolic of metal caldrons in the nomad culture

2017 ◽  
Vol 6 (2) ◽  
pp. 114-117
Author(s):  
Gulnara Sainovna Jumabekova ◽  
Galiya Appazovna Bazarbayeva
Keyword(s):  
Middle Ages ◽  
Iron Age ◽  
Population Change ◽  
Social Rank ◽  
Southern Urals ◽  
The Southern Urals ◽  
Funeral Rite ◽  
Late Middle Ages ◽  
Culture Development

The paper briefly traces the symbolic role of the metal caldrons from the Early Iron Age. This category of items can be considered as attributes of the elite and aristocracy. Experts identified the connection of the caldron (kazan) with the funeral rite in the Middle Ages, traced its role as a marker of high social rank people. This dependence is also traced on the example of population change as a whole. These include the Jetysu district (South-Eastern Kazakhstan), the Southern Urals in the era of the early nomads, and the interfluve of the Dnieper and Volga in the late Middle Ages. Burials of men with a cauldron and other attributes of power in the era of the early and medieval nomads, probably indicates the fulfillment of their economic and military duties. The example of the functional purpose of boilers states the succession of the nomadic culture in the use of the power attributes. The value of the metal boiler along with some elements of the object complex (hryvnia, etc.), laid down even in the period of nomad culture development as a symbol of representatives of high rank people, preserved for thousands of years.

Indian Gurus in the American Marketplace

2017 ◽  
Author(s):  
Shilpa S. Davé
Keyword(s):  
New Age ◽  
The Other ◽  
Other Hand ◽  
Cultural Performances ◽  
New Age Spirituality

This chapter explores how, in the comedic parodies The Guru (2002) and The Love Guru (2008), new-age spirituality is used as an Indian accent to reflect on the strange, foreign practices of Indians and at the same time to show the American desire for difference. It discusses how the role of the Indian guru is predicated on stereotypical cultural performances for American consumption. The performance of brownface by Mike Myers as Guru Pitka in The Love Guru repeats stereotypes Peter Sellers created fifty years earlier. British Indian actor Jimi Mistry in The Guru, on the other hand, offers a response and a critique to racialized performances of brown voice and brownface when he plays an Indian actor attempting to do brownface performances to cater to the expectations of his American admirers.

Geochemistry of Riphean terrigenous rocks in the Southern Urals and Siberia and variations of the continental-crust maturity

2009 ◽  
Vol 50 (2) ◽  
pp. 71-86 ◽  
Author(s):  
A.D. Nozhkin ◽  
A.V. Maslov ◽  
V.N. Podkovyrov ◽  
O.M. Turkina ◽  
E.F. Letnikova ◽  
...  
Keyword(s):  
Continental Crust ◽  
Southern Urals ◽  
The Southern Urals ◽  
Terrigenous Rocks

scholarly journals Impact of the Russo-Turkish War of 1735-1739 on the construction of relations between the Russian Empire and nomadic peoples of the Southern Urals and Central Asia (based on materials from Orenburg Expedition)

2019 ◽  
Vol 18 (3) ◽  
pp. 494-524
Author(s):  
Stepan V. Dzhundzhuzov ◽  
Sergey V. Lyubichankovskiy
Keyword(s):  
Central Asia ◽  
Southern Urals ◽  
Russian Empire ◽  
State Archive ◽  
The Southern Urals ◽  
Colonial Policy ◽  
External Threat ◽  
The Russian Empire ◽  
The Impact

The article considers the pattern of relationship between the Russian Empire and the nomadic peoples of the Southern Urals and Central Asia in the 1730s. The authors study the impact of the Russo-Turkish War of 1735-1739 on the geopolitical situation in the southeastern frontier zone, and review the signifi cance of the Orenburg Expedition (Commission) to the settlement of confl icts among the steppe subjects of the empire as well as for preventing threats to them coming from neighboring states. The study is based on materials of the Orenburg Commission and the Orenburg Expedition preserved in the State Archive of the Orenburg region. The authors do not share the opinion that the Orenburg Expedition was founded exclusively as a mechanism of imperial colonial policy, but neither do they deny its role in expanding Russia’s protectorate into the Kazakh steppe, and later into Central Asia. During the war, Russia aimed at preventing Kazakh raids against the Kalmyk nomads, for such raids prevented the Kalmyks from participating in the campaigns against the Crimean and Kuban Tatars who fought alongside Turkey. The article shows that the Orenburg Expedition, whose few troops were involved in suppressing the Bashkir uprising, were only able to provide the Kalmyks with diplomatic support. The aggressive policy of the Dzungar Khanate, aimed at the conquest of Kazakhstan, prevented the Kazakh Zhuzhes from establishing military hegemony in the Ural steppes. Only the fi rm stance of Russia, which declared its readiness to protect its Kazakh subjects, made the Dzungar ruler Goldan-Tseren renounce his claims to the Kazakh steppes. The authors conclude that the policy of Russia in this region was to prevent prolonged military confl icts among the steppe peoples while at the same time neutralizing any attempts at their military unifi cation. Russia assumed the role of a peacemaker, and, in the case of external threat, of a reliable ally; this raised the authority of the empire and forced the nomads to seek its patronage and submit to its will.

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