silicate mineral

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silicate mineral

Any of a large group of silicon-oxygen compounds that are widely distributed throughout much of the solar system. The silicates make up about 95% of the Earth's crust and upper mantle, occurring as the major constituents of most igneous rocks and in appreciable quantities in sedimentary and metamorphic rocks. They also are important constituents of lunar samples, meteorites, and most asteroids. In addition, planetary probes have detected them on the surfaces of Mercury, Venus, and Mars. Of the approximately 600 known silicate minerals, only the feldspars, amphiboles, pyroxenes, micas, olivines, feldspathoids, and zeolites are significant in rock formation.

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No references found			Previous Earth and spacecraft-based observations had detected only very low amounts of iron in the silicate minerals covering the innermost world. NASA's Messenger sees iron and titanium on Mercury by Asian News International About 2,900 kilometers below Earth's surface, molten iron from the planet's core meets a thick, overlying mantle of silicate minerals. Seismic speed traps: iron-rich regions may slow deep-earth vibes by Perkins, S. / Science News Located just 45 minutes outside Tucson, it features some of the world's most interesting silicate minerals. ARIZONA by Association Management			Siletz Bay National Wildlife Refuge silex silexite Silfs, Janis Silhouette Silhouette Film silhouette target Silica silica aerogel silica brick silica cement Silica Concrete silica flour silica fume Silica Gel silica glass silica mineral Silica Minerals silica sand silica stone Silica-Concrete Products Silicate silicate cement silicate cotton silicate grinding wheel silicate mineral silicate of soda silicate paint Silicate, Synthetic silication silicatization Silicatosis siliceous siliceous dust siliceous earth siliceous limestone siliceous ooze siliceous rock Siliceous Rocks siliceous sediment siliceous shale Siliceous Sinter silicic silicic acid Silicic Acids siliciclastic Silicide silicide resistor silicification silicified wood silicinate			silica stone silica u's silica u's silica-bonded casting investment silica-bonded casting investment silica-bonded casting investment silica-bonded casting investment silica-bonded casting investment Silica-Coated Aluminum Nitride Silica-Concrete Products Silicaceous Silicagel Silicagel Silicagel silicas silicas silicas silicate silicate silicate silicate cement silicate cement silicate cement silicate cement Silicate cotton Silicate cotton Silicate dihydroxide Silicate dihydroxide Silicate dihydroxide silicate grinding wheel silicate mineral Silicate minerals Silicate minerals Silicate monohydroxide Silicate monohydroxide Silicate monohydroxide silicate of soda silicate paint Silicate planet Silicate planet Silicate, Synthetic Silicated Silicated Silicated Silicated soap Silicates Silicates Silicates silication Silicatization Silicatization silicatosis silicatosis Silicea Silicea siliceous siliceous siliceous Siliceous (sponge) siliceous dust siliceous earth

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