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Fukiishi
( or "roofing stone") were a means of covering burial chambers and burial mounds during the kofun period of Japan (). Stones collected from riverbeds were affixed to the slopes of raised kofun and other burial chambers. They are considered to have descended from forms used in Yayoi-period tumuli. They are common in the early and mid-Kofun periods, but most late Kofun-period tumuli do not have them. Origin and ancestry Tombs covered with fukiishi appear sporadically in Western Japan from the mid-Yayoi period and continue into the Kofun period. Fukiishi are thought to be one element of the characteristics of the period of kofun at the time that they were making their first appearance; what are thought of as the oldest examples of what was to lead the generally fixed form are seen at and the presumed slightly older in the city of Sakurai in Nara Prefecture. Neither fukiishi nor haniwa accompany mounds from before regularization such as at the . The ' () seen at the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saito, Miyazaki
is a city located in Miyazaki Prefecture, Japan. As of June 1, 2019, the city has an estimated population of 29,262 and a population density of 66.7 persons per km2. The total area is 438.79 km2. The agricultural products of Saito include green peppers, cucumbers and sweet corn. And the Saito is famous for its eel from Hokita and the Saito Baru Burial Mounds. Geography Saito is the 5th largest city in the Miyazaki prefecture. 70% of the city is mountainous, and a river cuts through the city from northwest to southeast. Many other smaller streams cut through the valleys in Saito. Much of the city is covered by mountains and forest (approximately 80%). It is bordered by Kijo Town, Takanabe Town, Shintomi Town in the East and Sadowara Town and Kunitomi Town in the South, and Nango Village and Village in the north. *Mountains: , *Rivers: , *Lakes and Marshes: , *Dams: Climate Saito has a humid subtropical climate (Köppen climate classification ''Cfa'') with hot, humi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chert
Chert () is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2). Chert is characteristically of biological origin, but may also occur inorganically as a precipitation (chemistry), chemical precipitate or a diagenesis, diagenetic replacement, as in petrified wood. Chert is typically composed of the petrified remains of siliceous ooze, the biogenic sediment that covers large areas of the deep ocean floor, and which contains the silicon skeletal remains of diatoms, Dictyochales, silicoflagellates, and radiolarians. Precambrian cherts are notable for the presence of fossil cyanobacteria. In addition to Micropaleontology, microfossils, chert occasionally contains macrofossils. However, some chert is devoid of any fossils. Chert varies greatly in color (from white to black), but most often manifests as gray, brown, grayish brown and light green to rusty redW.L. Roberts, T.J. Campbell, G.R. Rapp Jr. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Andesite
Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predominantly of sodium-rich plagioclase plus pyroxene or hornblende. Andesite is the extrusive equivalent of plutonic diorite. Characteristic of subduction zones, andesite represents the dominant rock type in island arcs. The average composition of the continental crust is andesitic. Along with basalts, andesites are a component of the Martian crust. The name ''andesite'' is derived from the Andes mountain range, where this rock type is found in abundance. It was first applied by Christian Leopold von Buch in 1826. Description Andesite is an aphanitic (fine-grained) igneous rock that is intermediate in its content of silica and low in alkali metals. It has less than 20% quartz and 10% feldspathoid by volume, with at least 65% of the fe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kashiwara, Osaka
270px, Kashiwara City Hall is a city located in Osaka Prefecture, Japan. , the city had an estimated population of 67,698 in 32007 households and a population density of . The total area of the city is . Geography Kashiwara is located about from central Osaka on the Yamato River,which separates it from neighboring Fujiidera. The northwestern part of the city is relatively flat, but the terrain rises to the east where the Ikoma Mountains and Mount Kongō form the border with Nara Prefecture. Neighboring municipalities Osaka Prefecture * Yao *Fujiidera *Habikino Nara Prefecture * Kashiba * Ōji * Sangō Climate Kashiwara has a Humid subtropical climate (Köppen ''Cfa'') characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Kashiwara is . The average annual rainfall is with September as the wettest month. The temperatures are highest on average in August, at around , and lowest in January, at around . Demographics Per Ja ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Structural Engineering
Structural engineering is a sub-discipline of civil engineering in which structural engineers are trained to design the 'bones and muscles' that create the form and shape of man-made structures. Structural engineers also must understand and calculate the stability, strength, rigidity and earthquake-susceptibility of built structures for buildings and nonbuilding structures. The structural designs are integrated with those of other designers such as architects and building services engineer and often supervise the construction of projects by contractors on site. They can also be involved in the design of machinery, medical equipment, and vehicles where structural integrity affects functioning and safety. See glossary of structural engineering. Structural engineering theory is based upon applied physical laws and empirical knowledge of the structural performance of different materials and geometries. Structural engineering design uses a number of relatively simple structural c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soil Mechanics
Soil mechanics is a branch of soil physics and applied mechanics that describes the behavior of soils. It differs from fluid mechanics and solid mechanics in the sense that soils consist of a heterogeneous mixture of fluids (usually air and water) and particles (usually clay, silt, sand, and gravel) but soil may also contain organic solids and other matter.Mitchell, J.K., and Soga, K. (2005) Fundamentals of soil behavior, Third edition, John Wiley and Sons, Inc., .Powrie, W., Spon Press, 2004, ''Soil Mechanics – 2nd ed'' A Guide to Soil Mechanics, Bolton, Malcolm, Macmillan Press, 1979. Along with rock mechanics, soil mechanics provides the theoretical basis for analysis in geotechnical engineering, a subdiscipline of civil engineering, and engineering geology, a subdiscipline of geology. Soil mechanics is used to analyze the deformations of and flow of fluids within natural and man-made structures that are supported on or made of soil, or structures that are buried in soils.L ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paleoecology
Paleoecology (also spelled palaeoecology) is the study of interactions between organisms and/or interactions between organisms and their environments across geologic timescales. As a discipline, paleoecology interacts with, depends on and informs a variety of fields including paleontology, ecology, climatology and biology. Paleoecology emerged from the field of paleontology in the 1950s, though paleontologists have conducted paleoecological studies since the creation of paleontology in the 1700s and 1800s. Combining the investigative approach of searching for fossils with the theoretical approach of Charles Darwin and Alexander von Humboldt, paleoecology began as paleontologists began examining both the ancient organisms they discovered and the reconstructed environments in which they lived. Visual depictions of past marine and terrestrial communities have been considered an early form of paleoecology. Overview of paleoecological approaches * Classic paleoecology uses data from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Takatsuki, Osaka
is a city in Osaka Prefecture, Japan. It is located in northern Osaka's Hokusetsu region. As of 2020, the city had an estimated population of 347,944 and a population density of 3,300 persons per km². The total area is 105.31 km². The city was founded on January 1, 1943, and is situated almost directly between Kyoto and Osaka. Owing to the convenience of being 13 and 15 minutes by train from these two cities respectively, the city prospered and has developed with increasing rapidity to become one of the biggest commuter towns in the area, serving both Kyoto and Osaka. Culturally, Takatsuki is renowned for its Imashirozuka Kofun (burial mound). Earthenware funerary objects (haniwa) discovered around this mound include figurines of warriors almost certainly placed with a protective purpose (The form of such a warrior was used as the design basis for the city's official mascot character, Hanitan). Takatsuki is also known for its Takatsuki Jazz Festival, held every year in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Petrology
Petrology () is the branch of geology that studies rocks and the conditions under which they form. Petrology has three subdivisions: igneous, metamorphic, and sedimentary petrology. Igneous and metamorphic petrology are commonly taught together because they both contain heavy use of chemistry, chemical methods, and phase diagrams. Sedimentary petrology is, on the other hand, commonly taught together with stratigraphy because it deals with the processes that form sedimentary rock. Background Lithology was once approximately synonymous with petrography, but in current usage, lithology focuses on macroscopic hand-sample or outcrop-scale description of rocks while petrography is the speciality that deals with microscopic details. In the petroleum industry, lithology, or more specifically mud logging, is the graphic representation of geological formations being drilled through and drawn on a log called a mud log. As the cuttings are circulated out of the borehole, they are sample ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Misaki, Okayama
is a town located in Kume District, Okayama Prefecture, Japan. As of March 1, 2004, the town has an estimated population of 18,776 and a density of 76.57 persons per km². The total area is 232.15 km². Misaki was founded on March 22, 2005 by the merger of the towns of Asahi Asahi (朝日, 旭, or あさひ) means "morning sun" in Japanese and may refer to: Cities * Asahi, Chiba (旭市; ''Asahi-shi'') Wards * Asahi-ku, Osaka (旭区; ''Asahi-ku'') * Asahi-ku, Yokohama (旭; ''Asahi-ku'') Towns * Asahi, Aichi (旭 ..., Chūō and Yanahara, all from Kume District. References External links *Misaki official website Towns in Okayama Prefecture {{Okayama-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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