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Hilgardite
Hilgardite is a borate mineral with the chemical formula Ca2B5O9Cl·H2O. It is transparent and has vitreous luster. It is colorless to light pink with a white streak. It is rated 5 on the Mohs Scale. It crystallizes in the triclinic crystal system. Crystals occur as distorted tabular triangles and are hemimorphic, polytypes exist. It was named for geologist Eugene W. Hilgard (1833–1916). It was first described in 1937 for an occurrence in the Choctaw Salt Dome of Iberville Parish, Louisiana, US. It occurs as an uncommon accessory mineral in evaporite deposits and salt domes worldwide. In addition to the type locality it has been reported in Wayne County, Mississippi and in the Louann Salt Formation, Clarke County, Alabama in the United States and at the Penobsquis and Salt Springs evaporites, near Sussex, New Brunswick, Canada. In Europe it is reported from the Konigshall-Hindenburg potash mine near Göttingen, Lower Saxony, Germany and in the Boulby potash mine, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boracite
Boracite is a magnesium borate mineral with formula: Mg3 B7 O13 Cl. It occurs as blue green, colorless, gray, yellow to white crystals in the orthorhombic - pyramidal crystal system. Boracite also shows pseudo-isometric cubical and octahedral forms. These are thought to be the result of transition from an unstable high temperature isometric form on cooling. Penetration twins are not unusual. It occurs as well formed crystals and dispersed grains often embedded within gypsum and anhydrite crystals. It has a Mohs hardness of 7 to 7.5 and a specific gravity of 2.9. Refractive index values are nα = 1.658 - 1.662, nβ = 1.662 - 1.667 and nγ = 1.668 - 1.673. It has a conchoidal fracture and does not show cleavage. It is insoluble in water (not to be confused with borax, which is soluble in water). Boracite is typically found in evaporite sequences associated with gypsum, anhydrite, halite, sylvite, carnallite, kainite and hilgardite. It was first described in 1789 for specimens f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Salt Dome
A salt dome is a type of structural dome formed when salt (or other evaporite minerals) intrudes into overlying rocks in a process known as diapirism. Salt domes can have unique surface and subsurface structures, and they can be discovered using techniques such as seismic reflection. They are important in petroleum geology as they can function as petroleum traps. Formation Diagram showing formation of salt domes Stratigraphically, salt basins developed periodically from the Proterozoic to the Neogene. The formation of a salt dome begins with the deposition of salt in a restricted basin. In these basins, the outflow of water exceeds inflow. Specifically, the basin loses water through evaporation, resulting in the precipitation and deposition of salt. While the rate of sedimentation of salt is significantly larger than the rate of sedimentation of clastics, it is recognized that a single evaporation event is rarely enough to produce the vast quantities of salt needed to f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Sedom
Mount Sodom (, ''Har Sedom'') is a hill along the southwestern part of the Dead Sea in Israel; it is part of the Judaean Desert Nature Reserve. It takes its name from the biblical city of Sodom, whose destruction is the subject of a narrative in the Bible. History Mount Sodom began its rise hundreds of thousands of years ago and continues to grow taller at a rate of a year. Movements of the Great Rift Valley system, along with the pressure generated by the slow accumulation of earth and rock, pressed down on the layers of salt, creating Mount Sodom. It is about 80% salt, high, capped by a layer of limestone, clay and conglomerate that was dragged along as it was squeezed up from the valley floor. It is approximately long, wide, and above the Dead Sea water level, yet below world mean sea level. Because of weathering, some portions have separated. One of these pillars is known as "Lot's wife", in reference to the Biblical account of the destruction of Sodom and Gomorrah. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siberia
Siberia ( ; , ) is an extensive geographical region comprising all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has formed a part of the sovereign territory of Russia and its predecessor states since the lengthy conquest of Siberia, which began with the fall of the Khanate of Sibir in 1582 and concluded with the annexation of Chukotka in 1778. Siberia is vast and sparsely populated, covering an area of over , but home to roughly a quarter of Russia's population. Novosibirsk, Krasnoyarsk, and Omsk are the largest cities in the area. Because Siberia is a geographic and historic concept and not a political entity, there is no single precise definition of its territorial borders. Traditionally, Siberia spans the entire expanse of land from the Ural Mountains to the Pacific Ocean, with the Ural River usually forming the southernmost portion of its western boundary, and includes most of the drainage basin of the Arctic Ocean. I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kazakhstan
Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to the China–Kazakhstan border, east, Kyrgyzstan to the Kazakhstan–Kyrgyzstan border, southeast, Uzbekistan to the Kazakhstan–Uzbekistan border, south, and Turkmenistan to the Kazakhstan–Turkmenistan border, southwest, with a coastline along the Caspian Sea. Its capital is Astana, while the largest city and leading cultural and commercial hub is Almaty. Kazakhstan is the world's List of countries and dependencies by area, ninth-largest country by land area and the largest landlocked country. Steppe, Hilly plateaus and plains account for nearly half its vast territory, with Upland and lowland, lowlands composing another third; its southern and eastern frontiers are composed of low mountainous regions. Kazakhstan has a population of 20 mi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yorkshire
Yorkshire ( ) is an area of Northern England which was History of Yorkshire, historically a county. Despite no longer being used for administration, Yorkshire retains a strong regional identity. The county was named after its county town, the city of York. The south-west of Yorkshire is densely populated, and includes the cities of Leeds, Sheffield, Bradford, Doncaster and Wakefield. The north and east of the county are more sparsely populated, however the north-east includes the southern part of the Teesside conurbation, and the port city of Kingston upon Hull is located in the south-east. York is located near the centre of the county. Yorkshire has a Yorkshire Coast, coastline to the North Sea to the east. The North York Moors occupy the north-east of the county, and the centre contains the Vale of Mowbray in the north and the Vale of York in the south. The west contains part of the Pennines, which form the Yorkshire Dales in the north-west. The county was historically borde ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Whitby
Whitby is a seaside town, port and civil parish in North Yorkshire, England. It is on the Yorkshire Coast at the mouth of the River Esk, North Yorkshire, River Esk and has a maritime, mineral and tourist economy. From the Middle Ages, Whitby had significant Herring fleet, herring and whaling fleets, and was where Captain Cook learned seamanship. He first explored the southern ocean in HMS Endeavour, HMS ''Endeavour'', built in Whitby.Hough 1994, p. 55 Alum industry in North Yorkshire, Alum was mined locally, and Whitby Jet (lignite), jet jewellery was fashionable during the 19th century. Tourism started in Whitby during the Georgian period and developed with the arrival of the railway in 1839. The abbey ruin at the top of the East Cliff is the town's oldest and most prominent landmark. Other significant features include the Whitby Swing Bridge, swing bridge, which crosses the River Esk and the harbour sheltered by grade II listed Piers of Whitby, east and west piers. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lower Saxony
Lower Saxony is a States of Germany, German state (') in Northern Germany, northwestern Germany. It is the second-largest state by land area, with , and fourth-largest in population (8 million in 2021) among the 16 ' of the Germany, Federal Republic of Germany. In rural areas, Northern Low Saxon and Saterland Frisian language, Saterland Frisian are still spoken, though by declining numbers of people. Lower Saxony borders on (from north and clockwise) the North Sea, the states of Schleswig-Holstein, Hamburg, , Brandenburg, Saxony-Anhalt, Thuringia, Hesse and North Rhine-Westphalia, and the Netherlands. Furthermore, the Bremen (state), state of Bremen forms two enclaves within Lower Saxony, one being the city of Bremen, the other its seaport, Bremerhaven (which is a semi-exclave, as it has a coastline). Lower Saxony thus borders more neighbours than any other single '. The state's largest cities are the state capital Hanover, Braunschweig (Brunswick), Oldenburg (city), Oldenburg, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Göttingen
Göttingen (, ; ; ) is a college town, university city in Lower Saxony, central Germany, the Capital (political), capital of Göttingen (district), the eponymous district. The River Leine runs through it. According to the 2022 German census, the population of Göttingen was 124,548. Overview The origins of Göttingen lay in a village called ''Gutingi, ''first mentioned in a document in 953 AD. The city was founded northwest of this village, between 1150 and 1200 AD, and adopted its name. In Middle Ages, medieval times the city was a member of the Hanseatic League and hence a wealthy town. Today, Göttingen is famous for its old university (''Georgia Augusta'', or University of Göttingen, "Georg-August-Universität"), which was founded in 1734 (first classes in 1737) and became the most visited university of Europe. In 1837, seven professors protested against the absolute sovereignty of the House of Hanover, kings of Kingdom of Hanover, Hanover; they lost their positions, but ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Potash
Potash ( ) includes various mined and manufactured salts that contain potassium in water- soluble form.Potash , USGS 2008 Minerals Yearbook The name derives from ''pot ash'', plant ashes or soaked in water in a pot, the primary means of manufacturing potash before the Industrial Era. The word '''' is derived from ''potash''. Potash is produced worldwide in amounts exceeding 71.9 million |
Sussex, New Brunswick
Sussex is a town in Kings County, New Brunswick, Kings County, New Brunswick, Canada. Sussex is located in south central New Brunswick, between the province's three largest cities, Saint John, Moncton, and Fredericton. Sussex straddles the Kennebecasis River, northeast of Saint John, New Brunswick, Saint John, and is a major dairy product producer in the province. It is home to Atlantic Canada's largest hot air balloon festival. On 1 January 2023, Sussex amalgamated with the village of Sussex Corner, New Brunswick, Sussex Corner and part of the Local service district (New Brunswick), local service district of Sussex Parish, New Brunswick, the parish of Sussex. Revised census figures have not been released, although combining the 2016 census numbers the total population would be approximately 5,900. History In 1857, the European and North American Railway was opened, connecting the farming communities of the Kennebecasis River valley with Saint John and Moncton. Sussex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clarke County, Alabama
Clarke County is a County (United States), county located in the southwestern part of the U.S. state of Alabama. As of the 2020 United States census, 2020 census, the population was 23,087. The county seat is Grove Hill, Alabama, Grove Hill. The county's largest city is Jackson, Alabama, Jackson. The county was created by the legislature of the Mississippi Territory in 1812. It is named in honor of General John Clark (Georgia governor), John Clarke of Georgia (U.S. state), Georgia, who was later elected Governor of Georgia, governor of that state. The county museum is housed in the Alston-Cobb House in Grove Hill. History Pre-European era For thousands of years, this area was occupied along the rivers by varying cultures of indigenous peoples. At the time of European encounter, Clarke County was the traditional home of the Choctaw and the Creek people. They traded with the French, who had settlements in Mobile and New Orleans. They also were reached by some English and Scots t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
