Porphyritic

Results: 27



#Item
11Volcanology / Igneous rocks / Mineralogy / Quartz latite / Granite / Trachyte / Monzogranite / Felsic / Latite / Petrology / Igneous petrology / Volcanic rocks

Classification and Distribution The intrusive igneousrocks of the district comprisemajor intrusionsof granodioriteand granite,and minor intrusions of porphyritic microgranite,feldsparphyricrhyolite,quartzphyricrhyolite a

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Source URL: www.cedd.gov.hk

Language: English - Date: 2014-04-27 03:57:35
12Volcanic rocks / Tephra / Volcanology / Igneous rock / Granite / Lapilli / Porphyritic / Volcanic ash / Tuff / Petrology / Igneous petrology / Geology

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

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Source URL: www.cedd.gov.hk

Language: English - Date: 2014-04-27 03:57:35
13Volcanic rocks / Volcanology / Granite / Trachyte / Dacite / Igneous rock / Andesite / Felsic / Quartz latite / Petrology / Igneous petrology / Geology

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

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Source URL: www.cedd.gov.hk

Language: English - Date: 2014-04-27 03:57:35
14Igneous petrology / Volcanology / Metamorphic petrology / Igneous rock / Aphanite / Metamorphic rock / Porphyritic / Phenocryst / Basalt / Petrology / Geology / Volcanic rocks

Microsoft Word - 201204LasRocasAnswerKeyEnglish.doc

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Source URL: www.nsta.org

Language: English - Date: 2012-03-28 16:40:37
15Ore / Granite / Porphyritic / Economic geology / Petrology / Igneous petrology

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

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Source URL: www.nr.gov.nl.ca

Language: English - Date: 2014-03-04 07:54:03
16Ore / Granite / Porphyritic / Economic geology / Petrology / Igneous petrology

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

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Source URL: www.nr.gov.nl.ca

Language: English - Date: 2014-03-04 07:43:32
17Volcanic rocks / Igneous rocks / Economic geology / Granite / Burin Peninsula / Fluorite / Porphyritic / Breccia / Porphyry / Petrology / Geology / Igneous petrology

NEWFOUNDLAND & LABRADOR Explore The Opportunities Burin Peninsula Uranium-Fluorspar 0

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Source URL: www.nr.gov.nl.ca

Language: English - Date: 2013-02-05 09:08:35
18Volcanic rocks / Igneous rocks / Economic geology / Granite / Burin Peninsula / Fluorite / Porphyritic / Breccia / Porphyry / Petrology / Geology / Igneous petrology

NEWFOUNDLAND & LABRADOR Explore The Opportunities Burin Peninsula Uranium-Fluorspar 0

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Source URL: www.nr.gov.nl.ca

Language: English - Date: 2013-02-05 09:16:34
19Igneous rocks / Volcanic rocks / Granite / Geochemistry / Porphyry / Quartz-porphyry / Quartz / Peralkaline rock / Porphyritic / Petrology / Igneous petrology / Volcanology

GOVERNMENT OF NEWFOUNDLAND AND LABRADOR Department of Natural Resources Geological Survey GEOCHEMICAL DATA FROM VOLCANIC ROCKS

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Source URL: www.nr.gov.nl.ca

Language: English - Date: 2010-11-16 15:02:48
20Volcanology / Volcanic rocks / Igneous rocks / Granite / Rhyolite / Porphyritic / Andesite / Intrusion / Metamorphic rock / Petrology / Igneous petrology / Geology

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

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Source URL: www.maine.gov

Language: English - Date: 2013-09-17 12:24:27
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