Garnet: Common Mineral, Uncommonly Useful

被引：103

作者：

Baxter, Ethan F. ^{[1
]}

Caddick, Mark J. ^{[2
]}

Ague, Jay J. ^{[3
,4
]}

机构：

[1] Boston Univ, Dept Earth & Environm, Boston, MA 02215 USA

[2] Virginia Tech, Dept Geosci, Blacksburg, VA 24061 USA

[3] Yale Univ, Dept Geol & Geophys, New Haven, CT 06520 USA

[4] Yale Univ, Peabody Museum Nat Hist, New Haven, CT 06511 USA

来源：

ELEMENTS | 2013年 / 9卷 / 06期

基金：

美国国家科学基金会;

关键词：

garnet; mantle; crust; metamorphism; geothermobarometry; geochronology; technology; CONTINENTAL-CRUST; GROWTH; MANTLE; ROCKS; CRYSTALLIZATION; METAMORPHISM; RECORD; MG; FE;

D O I：

10.2113/gselements.9.6.415

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Garnet is a widespread mineral in crustal metamorphic rocks, a primary constituent of the mantle, a detrital mineral in clastic sediments, and an occasional guest in igneous rocks. Garnet occurs in ultramafic to felsic bulk-rock compositions, and its growth and stability span from <300 to 2000 degrees C and from atmospheric pressure to 25 GPa. More than merely a constituent of these rocks, garnet possesses chemical and physical attributes allowing it to record, and influence, a diverse suite of tectonic, metamorphic, and mantle processes, making it uncommonly useful in geoscientific inquiry. Because of its myriad colors, garnet has been used through the ages in jewelry. More recently, nonsilicate crystals with the garnet structure have been fabricated for sophisticated laser, magnetic, and ion-conducting technologies.

引用

页码：415 / 419

页数：5

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