標(biāo)題: Titlebook: Gemstones and Their Origins; Peter C. Keller Book 1990 Springer Science+Business Media New York 1990 Pegmatit.growth.metamorphism.ocean.oc [打印本頁] 作者: Madison 時(shí)間: 2025-3-21 19:30
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書目名稱Gemstones and Their Origins影響因子(影響力)學(xué)科排名
書目名稱Gemstones and Their Origins網(wǎng)絡(luò)公開度
書目名稱Gemstones and Their Origins網(wǎng)絡(luò)公開度學(xué)科排名
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書目名稱Gemstones and Their Origins讀者反饋
書目名稱Gemstones and Their Origins讀者反饋學(xué)科排名
作者: Asseverate 時(shí)間: 2025-3-21 23:46 作者: 圖畫文字 時(shí)間: 2025-3-22 04:23
Gemstones Formed in Pegmatites: Gem Pegmatites of Minas Gerais, Brazilwn as .. More gemstones are found in pegmatites than in any other type of deposit. Pegmatites yield huge quantities of tourmaline, beryl (aquamarine and morganite), chrysoberyl, kunzite, and topaz, as well as a host of much rarer gems and minerals. Important descriptions of pegmatites are found in S作者: Encumber 時(shí)間: 2025-3-22 04:59
Gemstones Formed Directly from Molten Rock: The Ruby Deposits of Chanthaburi-Trat, Thailand ways: (1) Gemstones such as moonstone may be an essential constituent of the lava and crystallize as such as the lava cools; (2) in the final stages of cooling; when much of the magma has solidified, minerals such as topaz may crystallize in lithophysal (gas) cavities formed in the cooling lava; an作者: CLOUT 時(shí)間: 2025-3-22 08:54
Gemstones Formed by Low-Pressure Regional Metamorphism: The Ruby Deposits of Mogok, Burmaintrudes into the cool surrounding rock, the rock is heated and saturated by hydrothermal fluids and commonly undergoes change in the form of replacement of some of its component minerals or recrystallization of the entire rock mass. The type and degree of change are dependent upon the temperature a作者: excrete 時(shí)間: 2025-3-22 16:10 作者: excrete 時(shí)間: 2025-3-22 19:09
Diamond Pipes: The Diamond Deposits of Argyle, Western Australiacrust to bring mantle material such as diamond to the surface (Fig. 9–1). Experimental work has shown that most synthetic diamonds generally must have very high temperatures (2,000°C) and pressures (70,000 kg/cm.) to form. In nature these conditions exist only at depths of at least 200 km below the 作者: 陳腐思想 時(shí)間: 2025-3-22 23:30 作者: 試驗(yàn) 時(shí)間: 2025-3-23 05:11 作者: Gene408 時(shí)間: 2025-3-23 08:40 作者: Torrid 時(shí)間: 2025-3-23 12:06 作者: extemporaneous 時(shí)間: 2025-3-23 16:27 作者: MOTTO 時(shí)間: 2025-3-23 20:07 作者: anniversary 時(shí)間: 2025-3-24 01:29
Biomechanics of the Wrist Joint ways: (1) Gemstones such as moonstone may be an essential constituent of the lava and crystallize as such as the lava cools; (2) in the final stages of cooling; when much of the magma has solidified, minerals such as topaz may crystallize in lithophysal (gas) cavities formed in the cooling lava; an作者: Coronary 時(shí)間: 2025-3-24 04:43 作者: CLASP 時(shí)間: 2025-3-24 07:27 作者: CUB 時(shí)間: 2025-3-24 11:13 作者: 懶洋洋 時(shí)間: 2025-3-24 15:01
978-1-4684-6676-8Springer Science+Business Media New York 1990作者: facilitate 時(shí)間: 2025-3-24 22:04 作者: 心胸狹窄 時(shí)間: 2025-3-25 01:29
Gemstones Formed in Pegmatites: Gem Pegmatites of Minas Gerais, Brazilwn as .. More gemstones are found in pegmatites than in any other type of deposit. Pegmatites yield huge quantities of tourmaline, beryl (aquamarine and morganite), chrysoberyl, kunzite, and topaz, as well as a host of much rarer gems and minerals. Important descriptions of pegmatites are found in Sinkankas (1981) and Schneiderhohn (1961).作者: BOOST 時(shí)間: 2025-3-25 04:31
The Static Significance of the Linea Aspera,When hot magma rises through the earth’s crust, it often fails to reach the surface to erupt as a volcano. Instead, it forms large magma bodies that cool very slowly to form large granitic masses, which, if large enough, are called ..作者: Celiac-Plexus 時(shí)間: 2025-3-25 08:35 作者: declamation 時(shí)間: 2025-3-25 14:12
Hydrothermal Gem Deposits: The Emerald Deposits of ColombiaWhen hot magma rises through the earth’s crust, it often fails to reach the surface to erupt as a volcano. Instead, it forms large magma bodies that cool very slowly to form large granitic masses, which, if large enough, are called ..作者: Foam-Cells 時(shí)間: 2025-3-25 18:38
Gemstones Formed by High-Pressure Regional Metamorphism: The Jadeite Deposits of Tawmaw, BurmaTwo tough, compact, fine-grained materials, jadeite and nephrite, are forms of the gem material jade. Composition by itself, however, does not define jade. It must also have a texture that gives it extreme toughness. Despite their similar properties, jadeite and nephrite are distinct materials with different compositions and textures.作者: Hallowed 時(shí)間: 2025-3-25 20:56 作者: 溫順 時(shí)間: 2025-3-26 03:36
Book 1990ic shelves- presents an eloquent chronicle of the Earth‘s life story. It reveals to the expert the prodigious processes which formed the present crust of our planet, of which this volume discloses a small but exciting detail. The materials of the Earth‘s crust are the rocks. In this book, the author作者: Pillory 時(shí)間: 2025-3-26 07:02 作者: 清醒 時(shí)間: 2025-3-26 12:20
P. Rothuizen,L. van Erning,R. Huiskeshemical reactivity. If the carbonate rock is magnesium rich, such as dolomite, magnesium minerals such as diopside or serpentine form. Likewise, the invading rock also contributes elements, the most common of which is silica.作者: ETHER 時(shí)間: 2025-3-26 14:56 作者: alcoholism 時(shí)間: 2025-3-26 20:29 作者: 中古 時(shí)間: 2025-3-27 00:00
https://doi.org/10.1007/978-3-642-61731-7bon dioxide to produce carbonic acid, a weak natural acid. If such water seeps into the earth and encounters sulfides (such as pyrite, FeS.), sulfuric acid, a much stronger acid, is produced, which dissolves minerals, transports their chemical elements, and permeates other rocks to form new minerals.作者: 傲慢物 時(shí)間: 2025-3-27 04:45
Wirbel und wirbelbedingte Fluidkr?ftepths as great as 350 km below the earth’s surface. The volcanic rock type found in these pipes is called ., named for its type area of Kimberley, South Africa. Since its discovery in 1871, the Kimberley area has yielded more than 200 million carats of diamond and a wealth of geologic information about kimberlite pipes and the earth’s upper mantle.作者: chlorosis 時(shí)間: 2025-3-27 08:20 作者: Vasoconstrictor 時(shí)間: 2025-3-27 10:43
Diamond Pipes: The Diamond Deposits of Argyle, Western Australiapths as great as 350 km below the earth’s surface. The volcanic rock type found in these pipes is called ., named for its type area of Kimberley, South Africa. Since its discovery in 1871, the Kimberley area has yielded more than 200 million carats of diamond and a wealth of geologic information about kimberlite pipes and the earth’s upper mantle.作者: Moderate 時(shí)間: 2025-3-27 15:30
Biomechanics of the Wrist Jointd (3) the lava may simply act as the vehicle that transports materials that crystallized at great depth to the surface. Such is the case with many alkaliolivine basalts, which may bring peridot, zircon, sapphire, or ruby up from 100-km depths (Fig. 5-1).作者: 松馳 時(shí)間: 2025-3-27 21:18 作者: 不能妥協(xié) 時(shí)間: 2025-3-28 01:29 作者: 敬禮 時(shí)間: 2025-3-28 03:35
https://doi.org/10.1007/978-3-8348-8611-8d brought to the surface as basaltic volcanic eruptions. Diamonds are exclusively brought from great depths in the mantle through unique types of volcanoes known as . Where the earth’s crust thins due to rifting, mantle material, including peridot, may be thrust to the surface in sheets (Fig. 8-1).作者: LITHE 時(shí)間: 2025-3-28 07:12 作者: 聽寫 時(shí)間: 2025-3-28 13:56 作者: PHIL 時(shí)間: 2025-3-28 17:54
Efficient Software Implementation of Laddering Algorithms Over Binary Elliptic Curves,ity, lower memory consumption and side-channel resistance. Our results demonstrate that laddering implementations can be competitive with window-based methods by obtaining a new speed record for laddering implementations of elliptic curves on high-end Intel processors.作者: 無禮回復(fù) 時(shí)間: 2025-3-28 19:10
Book 2009In easy to understand terms and journalistic style,?Read describes the reasons for global financial unrest arising from the sub-prime mortgage crisis and economic meltdowns. He walks the reader through a number of topics in economics and connects these topics to real world financial problems concluding with recommendations for the future.
