The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 234
... texture of an igneous rock normally is defined by the size and form of its constituent mineral grains and by the spatial relationships of individual grains with one another and with any glass that may be present . Texture can be ...
... texture of an igneous rock normally is defined by the size and form of its constituent mineral grains and by the spatial relationships of individual grains with one another and with any glass that may be present . Texture can be ...
Page 235
... textures are produced by the preferred orienta- tion of platy , tabular , or elongate mineral grains to yield grossly planar or linear arrangements ; they are generally a result of magmatic flowage . Graphic texture refers to the ...
... textures are produced by the preferred orienta- tion of platy , tabular , or elongate mineral grains to yield grossly planar or linear arrangements ; they are generally a result of magmatic flowage . Graphic texture refers to the ...
Page 248
... TEXTURE Texture refers to the physical makeup of rock — namely , the size , shape , and arrangement ( packing and orientation ) of the discrete grains or particles of a sedimentary rock . Two main natural textural groupings exist for ...
... TEXTURE Texture refers to the physical makeup of rock — namely , the size , shape , and arrangement ( packing and orientation ) of the discrete grains or particles of a sedimentary rock . Two main natural textural groupings exist for ...
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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