Syenite

Results: 141



#Item
81Lead glass / Chemical elements

United States Geological Survey Certificate of Analysis Syenite STM-1 A sample of peralkaline nepheline syenite was collected from a sill that underlies Table

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Source URL: crustal.usgs.gov

Language: English - Date: 2012-01-30 19:12:07
82Tectosilicates / Feldspar / Nepheline syenite / Microcline / Orthoclase / Syenite / Aplite / Granite / Feldspathoid / Petrology / Crystallography / Igneous petrology

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

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Source URL: minerals.usgs.gov

Language: English - Date: 2009-04-13 15:21:22
83Feldspathoid / Igneous rocks / Nepheline syenite / Litchfieldite / Gemstones / Sodalite / Syenite / Nepheline / Petrology / Crystallography / Igneous petrology

Litchfieldite and the Litchfield Sodalite Locality Maine Geological Survey Geologic Site of the Month December, 2005

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Source URL: www.maine.gov

Language: English - Date: 2014-01-03 09:52:49
84Igneous petrology / Volcanology / Geochemistry / Carbonatite / Ore / Mineral exploration / Nepheline syenite / Igneous rock / Mineral resource classification / Petrology / Geology / Economic geology

USGS Open-File Report[removed]

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Source URL: pubs.usgs.gov

Language: English - Date: 2010-03-23 13:26:25
85Volcanology / Volcanic rocks / Monzogranite / Cratons / Granite / Tholeiitic magma series / Ultrapotassic igneous rocks / Nepheline syenite / Calc-alkaline magma series / Petrology / Igneous petrology / Igneous rocks

doi:[removed]j.lithos[removed]

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Source URL: www.gsinet.ir

Language: English - Date: 2012-06-19 06:33:55
86Plate tectonics / Volcanology / Carbonatite / Magma / Rift / Nepheline syenite / Igneous rock / Orogeny / African Plate / Geology / Petrology / Igneous petrology

Crustal warpinga possible tectonic control of alkaline magmatism

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Source URL: www.mantleplumes.org

Language: English - Date: 2014-05-18 16:11:33
87Volcanology / Igneous rocks / Cratons / Ultramafic rocks / Nepheline syenite / Pyroxenite / Basalt / Peridotite / Gabbro / Petrology / Geology / Igneous petrology

Nd and Sr isotope systematics and geochemistry of plume related early Cretaceous alkaline-mafic-ultramafic igneous complex from Jasra, Shillong Plateau, Northeastern India RAJESH K. SRIVASTAVA* and ANUP K. SINHA Igneous

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Source URL: www.mantleplumes.org

Language: English - Date: 2006-12-14 00:40:21
88Feldspathoid / Nepheline syenite / Cratons / Syenite / Phonolite / Argon–argon dating / Central Atlantic magmatic province / Leucite / Geochemistry / Petrology / Geology / Igneous petrology

The ages of the magmatic rocks are crucial for the understanding the geodynamic relationships among different mlagmatic events

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Source URL: www.mantleplumes.org

Language: English - Date: 2006-11-08 17:14:09
89Volcanology / Carbonatite / Nepheline syenite / Pyroxenite / Peridotite / Igneous rock / Feldspathoid / Metasomatism / Syenite / Petrology / Geology / Igneous petrology

The Iron Hill (Powderhorn) Carbonatite Complex, Gunnison County, Colorado—A Potential Source of Several Uncommon Mineral Resources

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Source URL: pubs.usgs.gov

Language: English - Date: 2009-01-14 11:56:46
90Halide minerals / Inosilicates / Igneous petrology / Kogarkoite / Villiaumite / Lorenzenite / Aegirine / Lovozero Massif / Nepheline syenite / Silicate minerals / Crystallography / Petrology

Kogarkoite Na3 (SO4 )F

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Source URL: rruff.info

Language: English - Date: 2005-11-08 13:10:46
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