Title |
Comment |
Keywords |
Explosiveness of An Eruption
|
08:18 - 08:40 (00:22) / 0.7 MB
|
volcano, "volcanic gas", eruption, temperature, composition, magma, silica, viscosity
|
Andesitic Lavas Cause Explosive Eruptions
|
08:40 - 09:34 (00:54) / 1.2 MB
|
"James Sadd", eruption, "composite volcano", "lava flow", basalt, andesite, silica, temperature, viscosity, magma, gas, pressure, "volcanic ash", pumice
|
Volcanoes Die With Changes In Plate Boundaries
|
13:20 - 14:07 (00:47) / 0.8 MB
|
"James Sadd", volcano, "convergent plate margin", "Panam Crater", gas, eruption, crater, pumice, magma, vent, plug, dome, obsidian, viscosity, silica
|
Intrusion
|
04:17 - 05:46 (01:29) / 1.7 MB
|
"James Hutton", granite, plutonic, Scotland, mafic, gabbro, felsic, granite, silica, aluminum, diorite, volcanism, cooling, crystallization, magma, crystal, igneous
|
Oceanic and Continental Magmas
|
13:49 - 14:51 (01:02) / 1.0 MB
|
magma, "plate tectonics", "sea floor", iron, magnesium, basalt, "Bowen's Reaction Series", subduction, silica, andesite, "South America", ocean, ridge, "Dee Trent"
|
Biological Contribution
|
07:42 - 08:56 (01:14) / 1.3 MB
|
"sedimentary rock", "chemical sedimentation", ocean, "biological activity", algae, coral, invertebrate, "calcium carbonate", shell, reef, "sea floor", limestone, fossil, chalk, plant, animal, life, "continental shelf", radiolaria, diatom, silica, chert, diatomite
|
Contact Metamorphism
|
13:53 - 14:52 (00:59) / 1.3 MB
|
"Douglas M. Morton", "contact metamorphism", marble, intrusion, "igneous rock", tonalite, limestone, element, "chemical reaction", iron, aluminum, silicon, garnet, silica, wollastonite, "calcium silicate"
|
Geology School Keywords
|