Trachyte is an extrusive igneous rock composed mostly of alkali feldspar. It is usually light-colored and aphanitic (fine-grained), with minor amounts of mafic minerals, and is formed by the rapid cooling of lava enriched with silica and alkali metals. It is the volcanic equivalent of syenite.
Chita is a city and the administrative center of Zabaykalsky Krai, Russia, located on the Trans-Siberian Railway route, roughly 900 kilometers (560 mi) east of Irkutsk. Population: 334,427 (2021 Census); 324,444 (2010 Census);
The Anahim Volcanic Belt (AVB) is a west–east trending chain of volcanoes and related magmatic features in British Columbia, Canada. It extends from Athlone Island on the Central Coast, running eastward through the strongly uplifted and deeply dissected Coast Mountains to near the community of Nazko on the Interior Plateau. The AVB is delineated as three west-to-east segments that differ in age and structure. A wide variety of igneous rocks with differing compositions occur throughout these segments, comprising landforms such as volcanic cones, volcanic plugs, lava domes, shield volcanoes and intrusions.
Level Mountain is a large volcanic complex in the Northern Interior of British Columbia, Canada. It is located 50 kilometres north-northwest of Telegraph Creek and 60 kilometres west of Dease Lake on the Nahlin Plateau. With a maximum elevation of 2,164 metres, it is the second-highest of four large complexes in an extensive north–south trending volcanic region. Much of the mountain is gently-sloping; when measured from its base, Level Mountain is about 1,100 metres tall, slightly taller than its neighbour to the northwest, Heart Peaks. The lower, broader half of Level Mountain consists of a shield-like structure while its upper half has a more steep, jagged profile. Its broad summit is dominated by the Level Mountain Range, a small mountain range with prominent peaks cut by deep valleys. These valleys serve as a radial drainage for several small streams that flow from the mountain. Meszah Peak is the only named peak in the Level Mountain Range.
The Shoana church is a Christian church that belongs to the historical Alanian Diocese. The church was built at the end of the tenth century, and is located on the territory of modern Karachay-Cherkessia Republic, Russia. The building has a crossed-dome plan, with an inscribed cross, which is a variation of the North Zelenchuk Church.
Sergey Semyonovich Nametkin was a Soviet and Russian organic chemist, a prominent researcher in terpene chemistry, the cracking of petrochemicals, and rearrangement of camphenes. Academician of the USSR Academy of Sciences. Winner of two Stalin Prizes.
Gombojab Tsybikov was a Russian explorer of Tibet from 1899 to 1902. Tsybikov specialized in ethnography, Buddhist Studies, and after 1917 was an important educator and statesman in Siberia and Mongolia.
The Bely Iyus is a river in the Republic of Khakassia in Russia. It is the right source river of the Chulym. It is 224 kilometres (139 mi) long, with a drainage basin of 5,370 square kilometres (2,070 sq mi).
Vladimir Nicolayevich Beneshevich was a Russian scholar of Byzantine history and canon law, and a philologer and paleographer of the manuscripts in that sphere.
The stone labyrinths of Bolshoi Zayatsky Island are a group of 13 or 14 labyrinths on Bolshoy Zayatsky Island, one of the Solovetsky Islands in Arkhangelsk Oblast, Russia. Lacking standard archaeological study, a research group from St. Petersberg theorize that the labyrinths are about 2500 years old, according to their orientation, their supposed ritual use, and changes in the direction of the zenith on the solstice throughout history. Most researchers doubt that they are that old; the vast majority of labyrinths in this area date at the earliest to the Middle Ages.
In recent years, many megaliths have been discovered in the Urals: dolmens, menhirs and a large megalithic cultic complex on Vera Island.
Alexander Vladimirovich Bykov is a Russian historian and ethnographer, one of the leading Russian specialists in numismatics. Publisher, founder of the first Russian private museum of political history, the Museum of Diplomatic Corps in Vologda, Russia; he is the author of multiple articles, books, and popular science publications.
Polymethylsiloxane polyhydrate (PMSPH), or methylsilicic acid hydrogel, is an enterosorbent used for binding and removing various toxic substances, infectious agents and metabolites from the gastrointestinal tract. It is available in the form of a homogeneous pasty mass of white or almost white colour, odorless and tasteless.
Nestor Alexandrovich Kalandarishvili was a revolutionary leader, by turns a Socialist Revolutionary, anarchist and finally a Bolshevik. He was one of the leaders of the partisan movement in Eastern Siberia during the Russian Civil War.
Zangezur is a historical and geographical region in Eastern Armenia on the slopes of the Zangezur Mountains which largely corresponds to the Syunik Province of the Republic of Armenia. It was ceded to Russia by Qajar Iran according to the Treaty of Gulistan in 1813. In Soviet times, the Goris, Kapan, Meghri and Sisian regions of the Armenian SSR were located within Zangezur, which in 1995 became part of the Syunik Province of Armenia.
Holy Mary mountain,, is a landmark, in the neighborhood of Rostov Veliky, an object of cultural heritage of the Russian Federation, a collection of natural and cultural monuments. It is located near the village of Filimonovo in the Petrovskoye settlement of the Rostovsky District of the Yaroslavl Oblast, Russia. The area is situated on the bank of the Sara river. It includes archaeological sites: a medieval settlement (gorodishche) with a cemetery, a burial mound, and the sites of ancient settlements (selishche).
Opuk is a mountain 183 meters high, located on Opuk cape, on the southern tip of the Kerch Peninsula, in Crimea, the highest point in the area. The Opuk massif was declared the Opuk Nature Reserve in 1998. The slopes of Opuk mountain are a combination of stepped ledges, steep precipices, chasms and stone placers.
Anna Konstantinovna Chertkova was a children's writer, social activist, folklore collector, memoirist, and a model of Russian group of painters known as The Itinerants (Peredvizhniki). Her literary pseudonyms are "A. Ch." and "A. Ch-va".
Pallas Mountain is the natural monument and a watershed mountain on the Yablonoi range(unofficially — "Velikiy Istok") — in the west of the Zabaykalsky Krai with the absolute height of 1,236 m; a triple watershed located on the Yablonoi Mountains, the confluence of the basins of the Amur, Lena and Yenisey rivers. There is no other place in the world where the basins of three such great rivers converge at the same time.
The Cathedral of the Nativity of the Virgin is an Orthodox cathedral in the city of Hlybokaye, Vitebsk Region, Belarus. It is located in the historical center of the town on the 17th of September Square. It is the first monument and the most complete expression of the Vilnian Baroque school in Belarus, reflecting "important stages in the development of the artistic principles of the Belarusian Baroque". According to the researcher V. A. Chanturia, this cathedral is a rather peculiar type of religious architecture, because even in Europe temples with four towers of the Baroque period were very rare. Before the reconstruction in the 1730s, it was the only Sarmatian Baroque monument with a transept.
