The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
From inside the book
Results 1-3 of 82
Page 190
... occur along with feldspars in igneous rocks . They do rocks not occur in igneous rocks containing original free silica- i.e. , in rocks that contain quartz of the same genera- tion . They are , in fact , incompatible with consanguineous ...
... occur along with feldspars in igneous rocks . They do rocks not occur in igneous rocks containing original free silica- i.e. , in rocks that contain quartz of the same genera- tion . They are , in fact , incompatible with consanguineous ...
Page 196
... occur as oriented intergrowths that display parallel and herringbone textures ( Figure 54 ) . These lamellae result from the exsolution of a separate pyroxene phase from a host grain due to sub- solidus re - equilibration ( that occurs ...
... occur as oriented intergrowths that display parallel and herringbone textures ( Figure 54 ) . These lamellae result from the exsolution of a separate pyroxene phase from a host grain due to sub- solidus re - equilibration ( that occurs ...
Page 202
... occur in some ultrabasic ( silica - poor ) rocks . For example , it occurs in some peridotites , especially those called kim- berlites , which are the rocks in which diamonds occur . Phlogopite also is a rare constituent of some ...
... occur in some ultrabasic ( silica - poor ) rocks . For example , it occurs in some peridotites , especially those called kim- berlites , which are the rocks in which diamonds occur . Phlogopite also is a rare constituent of some ...
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