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Quartz-porphyry
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#	Item
1	STUDY OF A SLAB OF QUARTZ PORPHYRY Purpose To describe the size, composition and orientation of phenocrysts in a porphyry. The percentage of phenocrysts tells us how much of the magma had crystallised during the first pe Add to Reading List Source URL: www.earth-science-activities.co.uk Language: English - Date: 2013-08-18 13:19:13 Igneous rocks Geology Porphyry Quartz-porphyry Phenocryst Matrix Protractor Quartz Petrology Igneous petrology Volcanic rocks
2	Microsoft Word - Deb Poe.docx Add to Reading List Source URL: www.dusie.org Language: English - Date: 2014-12-10 21:10:45 Quartz-porphyry Mineral Granite Quartz Metamorphic petrology Metamorphic rocks Petrology Igneous petrology Igneous rocks
3	EPITHERMAL QUARTZ-ALUNITE AU DEPOSITS (MODEL 25e; Berger, 1986) by Geoffrey S. Plumlee, Kathleen S. Smith, John E. Gray, and Donald B. Hoover SUMMARY OF RELEVANT GEOLOGIC, GEOENVIRONMENTAL, AND GEOPHYSICAL INFORMATION D Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2004-04-05 14:17:23 Crystallography Argillic alteration Alunite Porphyry copper deposit Ore Heap leaching Summitville mine Open-pit mining Acid mine drainage Economic geology Mining Chemistry
4	Geologic and Aeromagnetic Maps of the Fossil Ridge Area and Vicinity, Gunnison County, Colorado By Ed DeWitt,1 R.S. Zech,1 C.G. Chase,2 R.E. Zartman,3 R.P. Kucks,1 Bruce Bartleson,4 G.C. Rosenlund,5 and Drummond Earley, Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2003-12-02 18:10:24 Volcanic rocks Igneous rocks Latite Quartz latite Geochemistry Granite Dacite Rhyodacite Porphyry Petrology Igneous petrology Volcanology
5	GOVERNMENT OF NEWFOUNDLAND AND LABRADOR Department of Natural Resources Geological Survey GEOCHEMICAL DATA FROM VOLCANIC ROCKS Add to Reading List Source URL: www.nr.gov.nl.ca Language: English - Date: 2010-11-16 15:02:48 Igneous rocks Volcanic rocks Granite Geochemistry Porphyry Quartz-porphyry Quartz Peralkaline rock Porphyritic Petrology Igneous petrology Volcanology
6	9.0 Deposits related to regionally metamorphosed rocks Afghanistan has large areas of ancient high-grade metamorphic rocks permissive for the occurrence of deposit types that result from the processes of regional metamor Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2007-11-05 13:07:40 Superior craton Vein Ore Breccia Yilgarn Craton Porphyry copper deposit Chalcopyrite Mineral exploration Quartz Geology Economic geology Volcanogenic massive sulfide ore deposit
7	Microsoft PowerPoint - EnglishWilsonOpenHouse2006.ppt Add to Reading List Source URL: www.gnb.ca Language: English - Date: 2007-10-12 09:19:15 Igneous rocks Miramichi Granite Porphyry Sedimentary rock Sandstone Quartz-porphyry Geology of the Australian Capital Territory Petrology Igneous petrology Stone
8	Microsoft Word - Fifarek_Report-04HQGR0171.doc Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2006-12-11 16:56:10 Mineralogy Geochemistry Igneous petrology Fluid inclusions Melt inclusions Inclusion Breccia Porphyry Quartz Petrology Geology Igneous rocks
9	Microsoft Word - ALTO LP Summary _3_ Add to Reading List Source URL: www.altomines.com Language: English - Date: 2012-08-24 14:26:48 Porphyry Stone Molybdenum Quartz Bard Ventures Matter Chemistry Crystallography
10	85 ANNUAL REPORT OF THE GOVERNMENT GEOLOGIST FOR Add to Reading List Source URL: www.mrt.tas.gov.au Language: English - Date: 2010-05-14 16:58:05 Igneous rocks Metamorphic rocks Volcanic rocks Economic geology Breccia Porphyry Tuff Clastic rock Quartz-porphyry Petrology Geology Igneous petrology

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