令人心醉
发表于 2025-3-23 13:41:26
https://doi.org/10.1007/978-981-99-0965-0er boundary of a crustal-scale partial melt layer is considered to be determined by the deepest level of the fertile protolith undergoing melting so that they can be characterised as ‘rootless’ or perched layers.
深渊
发表于 2025-3-23 17:54:00
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muscle-fibers
发表于 2025-3-23 19:56:29
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阴谋小团体
发表于 2025-3-23 22:41:26
Crustal melting: experiments and conditions,in the Earth’s crust largely depends on source rock composition, particularly whether the components necessary to produce a granite ‘minimum-melt’ composition (K2O, Na2O, Al2O3, SiO2, H2O) are available, the pressure at which melting occurs, temperature, type and amount of hydrous minerals present,
死亡率
发表于 2025-3-24 04:22:33
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Mri485
发表于 2025-3-24 09:24:21
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取之不竭
发表于 2025-3-24 12:03:36
Differentiation of magma layer: geochemical considerations, systematics (among many others, Chappell and White 1974; Faure 1977; Ishihara 1977; Taylor 1978; Ayres et al. 1997). Such studies are based on the prerequisite that granite magmas are sourced from deeper levels and that the magmas have ascended to a shallow depth of emplacement. Yet, as shown in Ch
Meander
发表于 2025-3-24 17:36:20
Mineralisation related to in situ granite formation, ligands in the ore-precipitating hydrothermal solutions that operate during formation of ore–mineral deposits. Southeast China contains perhaps the world’s most extensive area of mineral resources related to granites and these have been intensively studied over the past 60 years. Large-scale, high
掺假
发表于 2025-3-24 22:54:26
Heat source for crustal magma layers: tectonic models,ickening of radiogenic heat-producing rocks, lithospheric extension, injection of magma into the continental crust, shear heating and isothermal decompression. Yet, as outlined in Chapter 3, partial melting of rocks cannot produce granite magma that forms batholiths if there is no convection within
珠宝
发表于 2025-3-24 23:19:08
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