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Porphyritic
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11	Classification and Distribution The intrusive igneousrocks of the district comprisemajor intrusionsof granodioriteand granite,and minor intrusions of porphyritic microgranite,feldsparphyricrhyolite,quartzphyricrhyolite a Add to Reading List Source URL: www.cedd.gov.hk Language: English - Date: 2014-04-27 03:57:35 Volcanology Igneous rocks Mineralogy Quartz latite Granite Trachyte Monzogranite Felsic Latite Petrology Igneous petrology Volcanic rocks
12	The district is situatedin a complexzone of intrusionson the boundarybetweentwo contrastingstructural domains. The rocks are composeddominantlyof Mesozoicgranitesand volcanics(Table 2; Figure 5) which are intrudedby a st Add to Reading List Source URL: www.cedd.gov.hk Language: English - Date: 2014-04-27 03:57:35 Volcanic rocks Tephra Volcanology Igneous rock Granite Lapilli Porphyritic Volcanic ash Tuff Petrology Igneous petrology Geology
13	Chapter 4 Intrusive Igneous Rocks Classification and Distribution The intrusive igneous rocks of the district comprise major intrusions of granodiorite and granite, and mi nor intrusions of porphyritic microgranite, fe Add to Reading List Source URL: www.cedd.gov.hk Language: English - Date: 2014-04-27 03:57:35 Volcanic rocks Volcanology Granite Trachyte Dacite Igneous rock Andesite Felsic Quartz latite Petrology Igneous petrology Geology
14	Microsoft Word - 201204LasRocasAnswerKeyEnglish.doc Add to Reading List Source URL: www.nsta.org Language: English - Date: 2012-03-28 16:40:37 Igneous petrology Volcanology Metamorphic petrology Igneous rock Aphanite Metamorphic rock Porphyritic Phenocryst Basalt Petrology Geology Volcanic rocks
15	NEWFOUNDLAND & LABRADOR Explore The Opportunities Eagle’s Vision - Au-Zn-Pb-Cu The Eagle’s Vision Cu-Pb-Zn-Au Property consists of 127 claims located in north central Newfoundland, 13 km NW of Bishops Falls Add to Reading List Source URL: www.nr.gov.nl.ca Language: English - Date: 2014-03-04 07:54:03 Ore Granite Porphyritic Economic geology Petrology Igneous petrology
16	NEWFOUNDLAND & LABRADOR Explore The Opportunities Eagle’s Vision - Au-Zn-Pb-Cu The Eagle’s Vision Cu-Pb-Zn-Au Property consists of 127 claims located in north central Newfoundland, 13 km NW of Bishops Falls Add to Reading List Source URL: www.nr.gov.nl.ca Language: English - Date: 2014-03-04 07:43:32 Ore Granite Porphyritic Economic geology Petrology Igneous petrology
17	NEWFOUNDLAND & LABRADOR Explore The Opportunities Burin Peninsula Uranium-Fluorspar 0 Add to Reading List Source URL: www.nr.gov.nl.ca Language: English - Date: 2013-02-05 09:08:35 Volcanic rocks Igneous rocks Economic geology Granite Burin Peninsula Fluorite Porphyritic Breccia Porphyry Petrology Geology Igneous petrology
18	NEWFOUNDLAND & LABRADOR Explore The Opportunities Burin Peninsula Uranium-Fluorspar 0 Add to Reading List Source URL: www.nr.gov.nl.ca Language: English - Date: 2013-02-05 09:16:34 Volcanic rocks Igneous rocks Economic geology Granite Burin Peninsula Fluorite Porphyritic Breccia Porphyry Petrology Geology Igneous petrology
19	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
20	Activity 23: Igneous Rock Identification Maine Geological Survey Objectives: To provide students with the opportunity to analyze the textures of various igneous rocks and use these textures as a basis for the classificat Add to Reading List Source URL: www.maine.gov Language: English - Date: 2013-09-17 12:24:27 Volcanology Volcanic rocks Igneous rocks Granite Rhyolite Porphyritic Andesite Intrusion Metamorphic rock Petrology Igneous petrology Geology