The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 238
... ( basalt ) quartz diorite ( andesite ) quartz gabbro ( basalt ) quartz anorthosite alkali syenite ( alkali trachyte ) syenite ( trachyte ) monzonite ( latite ) monzodiorite ( andesite ) monzogabbro ( basalt ) diorite ( andesite ) gabbro ...
... ( basalt ) quartz diorite ( andesite ) quartz gabbro ( basalt ) quartz anorthosite alkali syenite ( alkali trachyte ) syenite ( trachyte ) monzonite ( latite ) monzodiorite ( andesite ) monzogabbro ( basalt ) diorite ( andesite ) gabbro ...
Page 244
... basalt base , but the caps of the volcanoes are alkali basalts . The final episodes of vol- canic activity on an island are extremely undersaturated ; nephelinites and olivine melilite nephelinites are common products . The alkali basalts ...
... basalt base , but the caps of the volcanoes are alkali basalts . The final episodes of vol- canic activity on an island are extremely undersaturated ; nephelinites and olivine melilite nephelinites are common products . The alkali basalts ...
Page 245
... basalts are su- persaturated tholeiites with normative quartz , but olivine tholeiites and alkali basalts also are found . Feeder dike swarms ( groups consisting of many parallel dikes ) and sills are common in flood basalt plateaus ...
... basalts are su- persaturated tholeiites with normative quartz , but olivine tholeiites and alkali basalts also are found . Feeder dike swarms ( groups consisting of many parallel dikes ) and sills are common in flood basalt plateaus ...
Common terms and phrases
albite amphiboles ancient aragonite areas atoms basalt bivalves body calcite calcium called carbonate central centre century cephalopods chemical clay minerals colour common composition contain crust crystals ctenidia cult cultural deities deposits developed dolomite Earth economic eggs electron evaporite example existence facies feldspar Figure garnet gastropods goddess gods grains Hittite human igneous rocks important industrial kaolinite king known layers limestone magma magnetic major mantle cavity marine material mental metamorphic rocks metaphysics Mexican Mexico City mica Michelangelo microscope millimetres Milton mimicry mind Mineralogy modern Molière Mongolia Mongols Moscow myth nature object occur ocean olivine organic originally oxide percent period philosophers physical plagioclase political population pressure produced properties pyroxene quartz reaction region religion religious reprinted result sandstones sedimentary rocks sediments shell silicate smectite snails society species structure Sumerian surface temperature temple tetrahedrons texture tion typically United urban volcanic