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Feldspathoid
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#	Item
11	AGES Brochure Series 004 Magnet Cove A synopsis of its geology, lithology and mineralogy. Add to Reading List Source URL: www.geology.ar.gov Language: English - Date: 2014-01-10 11:04:21 Igneous rocks Feldspathoid Volcanology Nepheline syenite Ijolite Carbonatite Leucite Phonolite Syenite Petrology Crystallography Igneous petrology
12	2008 Minerals Yearbook FELDSPAR U.S. Department of the Interior U.S. Geological Survey Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2012-08-15 09:14:11 Igneous rocks Economic geology Feldspathoid Nepheline syenite Tectosilicates Unimin Industrial mineral Feldspar Leucite Petrology Crystallography Igneous petrology
13	2007 Minerals Yearbook FELDSPAR AND NEPHELINE SYENITE U.S. Department of the Interior U.S. Geological Survey Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2013-05-28 13:40:42 Feldspathoid Igneous rocks Nepheline syenite Tectosilicates Unimin Industrial mineral Feldspar Leucite Syenite Petrology Crystallography Igneous petrology
14	AP-42 Background Document for Section[removed]Feldspar Processing Add to Reading List Source URL: www.epa.gov Language: English - Date: 2005-11-01 09:20:23 Air dispersion modeling Nepheline syenite Feldspar AP 42 Compilation of Air Pollutant Emission Factors Unimin Feldspathoid Aplite Syenite Granite Petrology Igneous petrology Tectosilicates
15	AGES Brochure Series 004 Magnet Cove A synopsis of its geology, lithology and mineralogy. Add to Reading List Source URL: www.geology.arkansas.gov Language: English - Date: 2014-01-10 11:04:21 Igneous rocks Feldspathoid Volcanology Nepheline syenite Ijolite Carbonatite Leucite Phonolite Syenite Petrology Crystallography Igneous petrology
16	Feldspar Michael J. Potter, the feldspar commodity specialist for the U.S. Geological Survey, has compiled the following information on feldspar, the most abundant rock-forming mineral on Earth. The United States is the Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2009-04-13 15:21:22 Tectosilicates Feldspar Nepheline syenite Microcline Orthoclase Syenite Aplite Granite Feldspathoid Petrology Crystallography Igneous petrology
17	Litchfieldite and the Litchfield Sodalite Locality Maine Geological Survey Geologic Site of the Month December, 2005 Add to Reading List Source URL: www.maine.gov Language: English - Date: 2014-01-03 09:52:49 Feldspathoid Igneous rocks Nepheline syenite Litchfieldite Gemstones Sodalite Syenite Nepheline Petrology Crystallography Igneous petrology
18	The ages of the magmatic rocks are crucial for the understanding the geodynamic relationships among different mlagmatic events Add to Reading List Source URL: www.mantleplumes.org Language: English - Date: 2006-11-08 17:14:09 Feldspathoid Nepheline syenite Cratons Syenite Phonolite Argon–argon dating Central Atlantic magmatic province Leucite Geochemistry Petrology Geology Igneous petrology
19	The Iron Hill (Powderhorn) Carbonatite Complex, Gunnison County, Colorado—A Potential Source of Several Uncommon Mineral Resources Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2009-01-14 11:56:46 Volcanology Carbonatite Nepheline syenite Pyroxenite Peridotite Igneous rock Feldspathoid Metasomatism Syenite Petrology Geology Igneous petrology
20	Extracted from the Geological Conservation Review You can view an introduction to this volume at http://www.jncc.gov.uk/page-2731 Add to Reading List Source URL: jncc.defra.gov.uk Language: English - Date: 2007-07-10 09:47:14 Borolanite Syenite Pyroxenite Leucite Carbonatite Nepheline Shonkinite Feldspathoid Igneous rock Petrology Igneous petrology Nepheline syenite

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