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Educational Sites
Igneous Rocks
*** (1)
Excellent starting point for students, from West's Geology Directory.
Petrography
and Petrology *** (2)
Detailed lecture text on Igneous Rocks plus figures.
Pyroclastic
Deposits *** (3)
Text with classification and figures. Part of the Minserv website.
Rob's
Granite Page *** (4)
Introductory text with links and research data, images and much more.
Not just granite, also general rock data.
Tephrabase
*** (5)
A database of tephra layers. These are useful in palaeoenvironmental studies.
Igneous
Rocks *** (6)
Overall facts with images and pdf files to
download.
Igneous
Rocks Tour *** (7)
Basic descriptions of igneous rock types including
granite, diorite, gabbro, rhyolite andesite and basalt.
Atlas
of Igneous and Metamorphic Rocks *** (8)
Images of minerals plus plutonic and volcanic
rocks.
Igneous
Rocks *** (9)
Image gallery plus minerals in thin sections
and definitions.
Igneous
Rock Textures ** (10)
Images of.
Igneous
rocks ** (11)
Usefull diagram of igneous rock classification.
Igneous
Rocks and Volcanoes ** (12)
Slide sets.
Magmatisme
et roches magmatiques ** (13)
Basic introduction in French.
Databases
PETROS
Igneous Petrology Databank.PETROS
is a worldwide data bank of major element chemical analyses of igneous
rocks.
Geochemistry
of Igneous Rocks
Comprehensive desciptions and images.
Field Locations
Petrography of a volcanic sequence on the
Jos Plateau (Nigeria)
Turkey,
Central Anatolian Crystalline Complex
Skjækerdalen,
Gabbroic intrusive complex, central Norway, mineralogy, petrogenesis
and emplacement history
Evje/Iveland,
Pegmatite District, Norway.
Oppland
Flyke, The minerals in the Miaroles of Granites/Syenites, near Harestua,
Norway.
Finland,
Mineralogy and Geochemistry of Kimberlites and Related Rocks from Finland.
California,
Independence Dikes and Mafic Rocks of the Eastern Sierra.
Southern
Iceland, Iceland geological map and numerous field localities featuring
volcanic rocks.
California,
Smith River. A Virtual Trip Through The Josephine Ophiolite
Carolina,
Mount Airy, granite quarry
Idaho,'
Craters of the Moon', the largest young basaltic lava field in the United
States.
Montana,
Crown Butte, Lacolith near Great Falls
Oregon,
High Cascades, Mount Hood, 50,000 years of volcanic history (USGS).
Texas,
Enchanted Rock,Precambrian granite batholith.
Petrography of a volcanic sequence on the
Jos Plateau (Nigeria)
Colorado,
Igneous Petrology of the Spanish Peaks
Georgia,
Geology of Georgia, granite
Maine,
Mount Apatite, minerals, feldspar quarries.
Montana,
Crown Butte, Lacolith near Great Falls
New
Mexico, Afton Lava Flow in Southern New Mexico near El Paso
Oregon,
Cascade Range, Volcanoes, volcanics and regional geology (USGS).
Oregon,
High Lava Plains and northern Basin and Range
Washington,
Mount St. Helens, Road guide to volcanic deposits.
Washington,
Indian Heaven Volcanic Field.
Washington,
Fidalgo Island, just west of Mount Vernon, Ophiolite sequence
Texas,
Hill Country, Igneous, sedimentary and metamorphic processes.
Carolina,
Chapel Hill, Diabase dykes
Isle
of Arran, Igneous geology
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