| 单词 | pluton |
| 例句 | That magma, now intermediate in composition, continues to rise and assimilate crustal material; in the upper part of the crust, it accumulates into plutons. Physical Geology 2015-01-01T00:00:00Z When many plutons merge together in an extensive single feature, it is called a batholith. An Introduction to Geology 2017-01-01T00:00:00Z He describes them as “something like a backpacker’s air mattress,” except “four hundred and fifty miles long,” with individual “blobs called plutons” that are “lumped together like party balloons.” Review | Kim Stanley Robinson’s love letter to the wilderness 2022-05-21T04:00:00Z Called a pluton by geologists, the Barre granite formation is calculated to be four miles long, two miles wide and 10 miles deep. In Barre, Vt., granite is a way of life — and beyond 2022-06-16T04:00:00Z My own house sits directly on top of one of the state’s enormous granite plutons, the Meredith Porphyritic Granite. The unique challenges of building atop solid rock 2021-07-30T04:00:00Z From time to time, the magma from the plutons rises toward surface, leading to volcanic eruptions. Physical Geology 2015-01-01T00:00:00Z Regardless, when a diapir cools, it forms a mass of intrusive rock called a pluton. An Introduction to Geology 2017-01-01T00:00:00Z The group also suggested a new classification, “pluton,” for bodies like Pluto whose orbits around the sun took 200 years or more. A new definition would add 102 planets to our solar system — including Pluto 2017-03-20T04:00:00Z One key ingredient in the forest patterns was phosphorus, which varied widely between plutons. Growth Secret of the World’s Tallest Trees Uncovered 2014-02-11T22:13:00Z Magma stitched everything together, forming plutons more than once, which were then deeply buried and metamorphosed. M lange et Trois: A Trip Across Subduction Zone Madness 2012-03-07T22:15:00.213Z Such a system could operate for thousands of years, resulting in the circulation of millions of tonnes of groundwater from the surrounding region past the pluton. Physical Geology 2015-01-01T00:00:00Z A stock is a type of pluton with less surface exposure than a batholith and may represent a narrower neck of material emerging from the top of a batholith. An Introduction to Geology 2017-01-01T00:00:00Z Copper and other minerals rose from the earth's hot, high- pressure mantle on prehistoric molten waves of magma called plutons. Legendary U.S. Copper Prospector Has China as Biggest Customer 2010-11-04T23:08:00Z The granite's chemical boundaries mark different plutons, or plugs of magma that cooled underground. Growth Secret of the World’s Tallest Trees Uncovered 2014-02-11T22:13:00Z We’ll go from a beach that has got deep ocean floor stuck atop it to a place 2,000 feet up where plutons of contentedly crystallizing magma endured the twice-baked potato experience. M lange et Trois: A Trip Across Subduction Zone Madness 2012-03-07T22:15:00.213Z Water from a cooling body of magma, or from convection of groundwater produced by the heat of the pluton, can also lead to metasomatism, hydrothermal alteration, and accumulation of valuable minerals in the surrounding rocks. Physical Geology 2015-01-01T00:00:00Z Forces involved in tectonic processes as well as gravity and igneous pluton emplacement produce strains in rocks that include folds, fractures, and faults. An Introduction to Geology 2017-01-01T00:00:00Z As discussed already, plutons can interact with the rocks into which they are intruded, sometimes leading to partial melting of the country rock or to stoping and formation of xenoliths. Physical Geology 2015-01-01T00:00:00Z While temperature and precipitation are still important factors in controlling the elevation at which the western Sierra's trees grow, the scientists showed that the plutons caused the starts and stops in the forest network. Growth Secret of the World’s Tallest Trees Uncovered 2014-02-11T22:13:00Z The country rock can also have an effect on the magma within a pluton. Physical Geology 2015-01-01T00:00:00Z The term refers to the original “rock of the country” or region, and hence the rock into which the magma intruded to form a pluton. Physical Geology 2015-01-01T00:00:00Z A pluton that intruded into cold rock it is likely to have a chilled margin. Physical Geology 2015-01-01T00:00:00Z What is the role of magmatic fluids in metamorphism that takes place adjacent to a pluton? Physical Geology 2015-01-01T00:00:00Z The resulting body of rock is known as a pluton. Physical Geology 2015-01-01T00:00:00Z The most obvious such effect is the formation of a chilled margin along the edges of the pluton, where it came in contact with country rock that was significantly colder than the magma. Physical Geology 2015-01-01T00:00:00Z Most known pipes fed volcanoes, although pipes can also connect plutons. Physical Geology 2015-01-01T00:00:00Z Figure 7.25 Depiction of metamorphism and alteration around a pluton in the upper crust. Physical Geology 2015-01-01T00:00:00Z In some cases, this may initiate a convection system where groundwater circulates past the pluton. Physical Geology 2015-01-01T00:00:00Z As with the magmatic fluids, the nature of this circulating groundwater can also change adjacent to, or above, the pluton, resulting in deposition of other minerals, including ore minerals. Physical Geology 2015-01-01T00:00:00Z A special type of metasomatism takes place where a hot pluton intrudes into carbonate rock such as limestone. Physical Geology 2015-01-01T00:00:00Z |
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